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[PATCH OLK-5.10] drm/amd/display: Exit idle optimizations before attempt to access PHY
by Dapeng Yu 15 Jan '24

15 Jan '24

From: Leo Chen <sancchen(a)amd.com> stable inclusion from stable-v5.10.205 commit 357badc01add6e98dd69c9831843da9cc3e905e9 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8AS5P CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=… ------------------------- [ Upstream commit de612738e9771bd66aeb20044486c457c512f684 ] [Why & How] DMUB may hang when powering down pixel clocks due to no dprefclk. It is fixed by exiting idle optimization before the attempt to access PHY. Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas(a)amd.com> Acked-by: Alex Hung <alex.hung(a)amd.com> Signed-off-by: Leo Chen <sancchen(a)amd.com> Tested-by: Daniel Wheeler <daniel.wheeler(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Baogen Shang <baogen.shang(a)windriver.com> --- drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index e33fe0207b9e..53e8defd3475 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1682,10 +1682,13 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context) hws->funcs.edp_backlight_control(edp_link_with_sink, false); } /*resume from S3, no vbios posting, no need to power down again*/ + clk_mgr_exit_optimized_pwr_state(dc, dc->clk_mgr); + power_down_all_hw_blocks(dc); disable_vga_and_power_gate_all_controllers(dc); if (edp_link_with_sink && !keep_edp_vdd_on) dc->hwss.edp_power_control(edp_link_with_sink, false); + clk_mgr_optimize_pwr_state(dc, dc->clk_mgr); } bios_set_scratch_acc_mode_change(dc->ctx->dc_bios); } -- 2.33.0

1 0

[PATCH OLK-6.6 00/26] Introduce dynamic pool feature
by Liu Shixin 13 Jan '24

13 Jan '24

Rename from dynamic hugetlb(OLK_5.10) to dynamic pool. A per-memcg pagepool. The task in the memcg will prefer to alloc pages from corresponding pool. Liu Shixin (26): mm/memcg: introduce mem_cgroup_scan_cgroups to scan all memcgs mm/memcg: introduce memcg_has_children to check memcg mm/dynamic_pool: introduce per-memcg memory pool mm/dynamic_pool: introduce PG_dpool to mark free pages in dpool mm/dynamic_pool: introduce PG_pool to mark pages allocated from dpool mm/dynamic_pool: create dpool by dhugetlb.nr_pages interface mm/dynamic_pool: fill dpool with HugeTLB 1G pages mm/dynamic_pool: add interface to configure the count of hugepages mm/dynamic_pool: add restore_pool ops to reclaim memory and restore hugepages mm/dynamic_pool: support to flow pages between 1G and 2M pages pool mm/dynamic_pool: support to flow pages between 2M and 4K pages pool mm/dynamic_pool: migrate used pages before promote to huge page mm/dynamic_pool: call mem_cgroup_force_empty before restore pool mm/dynamic_pool: prevent task attach to another dpool mm/dynamic_pool: support page allocation from dpool mm/dynamic_pool: speed up allocation by percpu pages pool mm/dynamic_pool: check resv for HugeTLB allocation from dpool mm/dynamic_pool: support HugeTLB page allocation from dpool mm/dynamic_pool: add tracepoints for dpool mm/dynamic_pool: fill dpool with pagelist mm/dynamic_pool: disable THP for task attached with dpool mm/dynamic_pool: compatible with HugeTLB dissolve mm/dynamic_pool: compatible with HugeTLB Vmemmap mm/dynamic_pool: compatible with memory hwpoison mm/dynamic_pool: add Document for dynamic hugetlb feature mm/dynamic_pool: enable CONFIG_DYNAMIC_POOL on x86_64 and arm64 by default Documentation/mm/dynamic_hugetlb.rst | 100 ++ arch/arm64/configs/openeuler_defconfig | 1 + arch/x86/configs/openeuler_defconfig | 1 + fs/hugetlbfs/inode.c | 5 + fs/proc/meminfo.c | 3 + fs/proc/page.c | 3 + include/linux/dynamic_pool.h | 227 ++++ include/linux/hugetlb.h | 11 + include/linux/memcontrol.h | 21 + include/linux/memory_hotplug.h | 5 + include/linux/mm.h | 1 + include/linux/page-flags.h | 22 + include/ras/ras_event.h | 1 + include/trace/events/dynamic_pool.h | 174 +++ include/trace/events/mmflags.h | 7 + include/uapi/linux/kernel-page-flags.h | 1 + kernel/cgroup/cgroup.c | 12 + mm/Kconfig | 9 + mm/Makefile | 1 + mm/dynamic_pool.c | 1730 ++++++++++++++++++++++++ mm/hugetlb.c | 103 +- mm/hugetlb_vmemmap.c | 4 + mm/internal.h | 6 + mm/khugepaged.c | 18 + mm/memcontrol.c | 120 +- mm/memory-failure.c | 16 +- mm/memory.c | 7 +- mm/memory_hotplug.c | 2 +- mm/page_alloc.c | 28 +- mm/shmem.c | 3 + mm/show_mem.c | 2 + tools/mm/page-types.c | 1 + 32 files changed, 2606 insertions(+), 39 deletions(-) create mode 100644 Documentation/mm/dynamic_hugetlb.rst create mode 100644 include/linux/dynamic_pool.h create mode 100644 include/trace/events/dynamic_pool.h create mode 100644 mm/dynamic_pool.c -- 2.25.1

2 27

[PATCH OLK-5.10 00/11] md/raid1-10: limit the number of plugged bio
by Li Lingfeng 13 Jan '24

13 Jan '24

Too many plugged bios may affect IO performance and cost too much memory, so limit the number of it. Li Lingfeng (1): Revert "md/raid10: fix softlockup in raid10_unplug" Mariusz Tkaczyk (2): md: drop queue limitation for RAID1 and RAID10 md: raid1/raid10: drop pending_cnt Yu Kuai (8): md/raid10: prevent soft lockup while flush writes md/raid1-10: factor out a helper to add bio to plug md/raid1-10: factor out a helper to submit normal write md/raid1-10: submit write io directly if bitmap is not enabled md/md-bitmap: add a new helper to unplug bitmap asynchrously md/raid1-10: don't handle pluged bio by daemon thread md/raid1-10: limit the number of plugged bio md/raid1-10: fix casting from randomized structure in raid1_submit_write() drivers/md/md-bitmap.c | 33 +++++++++++++++++-- drivers/md/md-bitmap.h | 8 +++++ drivers/md/md.c | 9 +++++ drivers/md/md.h | 1 + drivers/md/raid1-10.c | 74 ++++++++++++++++++++++++++++++++++++++---- drivers/md/raid1.c | 46 +++----------------------- drivers/md/raid1.h | 1 - drivers/md/raid10.c | 65 +++++-------------------------------- drivers/md/raid10.h | 1 - 9 files changed, 130 insertions(+), 108 deletions(-) -- 2.31.1

2 12

[PATCH OLK-6.6 v3 0/3] Add support for mbigen to generate SPIs
by Yuntao Liu 13 Jan '24

13 Jan '24

enable MBIGEN to generate SPIs Yang Yingliang (3): irqchip/mbigen: rename register marcros irqchip/mbigen: add support for a MBIGEN generating SPIs dt-bindings/irqchip/mbigen: add example of MBIGEN generate SPIs .../hisilicon,mbigen-v2.txt | 17 +++++- arch/arm64/configs/openeuler_defconfig | 1 + drivers/irqchip/Kconfig | 7 +++ drivers/irqchip/irq-mbigen.c | 53 +++++++++++++++---- 4 files changed, 66 insertions(+), 12 deletions(-) -- 2.34.1

2 4

[PATCH OLK-6.6 v4 0/4] Terrace Service Acceleration
by Zhengchao Shao 13 Jan '24

13 Jan '24

Terrace Service Acceleration. Liu Jian (1): bpf: Add new bpf helper to get SO_ORIGINAL_DST/REPLY_SRC Lu Wei (1): net: core: Add a GID field to struct sock. Wang Yufen (1): bpf, sockmap: Add sk_rmem_alloc check for sockmap Zhengchao Shao (1): bpf: Add bpf_get_sockops_uid_gid helper function include/net/netfilter/nf_conntrack.h | 6 +++ include/net/sock.h | 18 +++++++ include/uapi/linux/netfilter_ipv4.h | 2 + net/Kconfig | 7 +++ net/core/filter.c | 66 ++++++++++++++++++++++++++ net/core/skmsg.c | 10 +++- net/core/sock.c | 6 +++ net/ipv4/tcp_bpf.c | 10 ++++ net/netfilter/nf_conntrack_proto.c | 71 ++++++++++++++++++++++++++++ net/socket.c | 8 +++- 10 files changed, 201 insertions(+), 3 deletions(-) -- 2.34.1

2 5

[PATCH OLK-5.10] arm64: make cma=0 as default for openeuler
by Nanyong Sun 13 Jan '24

13 Jan '24

hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I8VV2H CVE: NA ---------------------------------------------------------- On Server scenarios cma is useless: 1) Kernel error logs of cma alloc failure often occur on ARM64 servers, but in reality, there is no impact as DMA allocation will fallback to the buddy system for memory allocation. 2) CMA also can cause slow DMA memory allocation if some is being used in user space. When the kernel wants to use it, it needs to migrate, causing a performance impact. 3) Currently, only a few users in the kernel require cma, such as the Android ION driver, which is obviously not used in server scenarios. The current openEuler defconfig specifies the default size through CONFIG_CMA_SIZE_MBYTES=64, which may not be enough for products that really need to use cma, making this default size somewhat useless. This patch disable cma on arm64 by set CONFIG_CMA_SIZE_MBYTES=0, for product that denpend on cma, they also can enable it by adding kernel cmdline cma=xxx. Signed-off-by: Nanyong Sun <sunnanyong(a)huawei.com> --- arch/arm64/configs/openeuler_defconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/configs/openeuler_defconfig b/arch/arm64/configs/openeuler_defconfig index 158a9f3bb8fd..e7ecdd8a12eb 100644 --- a/arch/arm64/configs/openeuler_defconfig +++ b/arch/arm64/configs/openeuler_defconfig @@ -7064,7 +7064,7 @@ CONFIG_DMA_PERNUMA_CMA=y # # Default contiguous memory area size: # -CONFIG_CMA_SIZE_MBYTES=64 +CONFIG_CMA_SIZE_MBYTES=0 CONFIG_CMA_SIZE_SEL_MBYTES=y # CONFIG_CMA_SIZE_SEL_PERCENTAGE is not set # CONFIG_CMA_SIZE_SEL_MIN is not set -- 2.25.1

2 1

[PATCH OLK-6.6 v7 0/2] optimize inlining
by Yuntao Liu 13 Jan '24

13 Jan '24

Hulk 6.6 did not use OPTIMIZE_INLINING. It used the gnu_inline attribute, which caused the inline functions to not be actually inlined, introducing performance issues. Therefore, we set it to be editable (disabled by default) and made adjustments to some functions that had linking conflicts. Guo Xuenan (2): Revert "compiler: remove CONFIG_OPTIMIZE_INLINING entirely" make OPTIMIZE_INLINING config editable arch/arm64/kvm/sys_regs.h | 7 ++++- arch/x86/configs/i386_defconfig | 1 + arch/x86/configs/x86_64_defconfig | 1 + .../net/ethernet/mellanox/mlx5/core/health.c | 30 +++++++++++++++++++ .../ethernet/mellanox/mlx5/core/mlx5_core.h | 24 --------------- .../pci/hive_isp_css_include/print_support.h | 4 +++ include/linux/compiler_types.h | 8 +++++ include/trace/trace_events.h | 15 ++++++++++ kernel/configs/tiny.config | 1 + lib/Kconfig.debug | 13 ++++++++ 10 files changed, 79 insertions(+), 25 deletions(-) -- 2.34.1

2 3

[PATCH OLK-6.6 v3] arm64: config: disable network config
by Zhengchao Shao 13 Jan '24

13 Jan '24

hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I8URWS CVE: NA -------------------------------- Disable arm64 network config. Signed-off-by: Zhengchao Shao <shaozhengchao(a)huawei.com> --- arch/arm64/configs/openeuler_defconfig | 28 +++++++++++++------------- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/arch/arm64/configs/openeuler_defconfig b/arch/arm64/configs/openeuler_defconfig index 268550234d30..c36287f7448f 100644 --- a/arch/arm64/configs/openeuler_defconfig +++ b/arch/arm64/configs/openeuler_defconfig @@ -1873,7 +1873,7 @@ CONFIG_RFKILL_LEDS=y CONFIG_RFKILL_INPUT=y CONFIG_RFKILL_GPIO=m CONFIG_NET_9P=m -CONFIG_NET_9P_FD=m +# CONFIG_NET_9P_FD is not set CONFIG_NET_9P_VIRTIO=m # CONFIG_NET_9P_RDMA is not set # CONFIG_NET_9P_DEBUG is not set @@ -2770,7 +2770,7 @@ CONFIG_NET_XGENE_V2=m CONFIG_NET_VENDOR_AQUANTIA=y # CONFIG_AQTION is not set CONFIG_NET_VENDOR_ARC=y -CONFIG_NET_VENDOR_ASIX=y +# CONFIG_NET_VENDOR_ASIX is not set # CONFIG_SPI_AX88796C is not set CONFIG_NET_VENDOR_ATHEROS=y # CONFIG_ATL2 is not set @@ -2815,16 +2815,16 @@ CONFIG_CHELSIO_IPSEC_INLINE=m CONFIG_CHELSIO_TLS_DEVICE=m # CONFIG_NET_VENDOR_CISCO is not set # CONFIG_NET_VENDOR_CORTINA is not set -CONFIG_NET_VENDOR_DAVICOM=y +# CONFIG_NET_VENDOR_DAVICOM is not set # CONFIG_DM9051 is not set CONFIG_DNET=m # CONFIG_NET_VENDOR_DEC is not set # CONFIG_NET_VENDOR_DLINK is not set # CONFIG_NET_VENDOR_EMULEX is not set -CONFIG_NET_VENDOR_ENGLEDER=y +# CONFIG_NET_VENDOR_ENGLEDER is not set # CONFIG_TSNEP is not set # CONFIG_NET_VENDOR_EZCHIP is not set -CONFIG_NET_VENDOR_FUNGIBLE=y +# CONFIG_NET_VENDOR_FUNGIBLE is not set # CONFIG_FUN_ETH is not set CONFIG_NET_VENDOR_GOOGLE=y # CONFIG_GVE is not set @@ -2862,13 +2862,13 @@ CONFIG_I40E=m CONFIG_IAVF=m CONFIG_I40EVF=m CONFIG_ICE=m -CONFIG_ICE_SWITCHDEV=y +# CONFIG_ICE_SWITCHDEV is not set CONFIG_FM10K=m # CONFIG_IGC is not set # CONFIG_JME is not set -CONFIG_NET_VENDOR_ADI=y +# CONFIG_NET_VENDOR_ADI is not set # CONFIG_ADIN1110 is not set -CONFIG_NET_VENDOR_LITEX=y +# CONFIG_NET_VENDOR_LITEX is not set # CONFIG_LITEX_LITEETH is not set # CONFIG_NET_VENDOR_MARVELL is not set CONFIG_NET_VENDOR_MELLANOX=y @@ -2905,7 +2905,7 @@ CONFIG_MLXFW=m # CONFIG_NET_VENDOR_MICROCHIP is not set CONFIG_NET_VENDOR_MICROSEMI=y # CONFIG_MSCC_OCELOT_SWITCH is not set -CONFIG_NET_VENDOR_MICROSOFT=y +# CONFIG_NET_VENDOR_MICROSOFT is not set CONFIG_NET_VENDOR_MYRI=y # CONFIG_MYRI10GE is not set # CONFIG_FEALNX is not set @@ -2916,7 +2916,7 @@ CONFIG_NET_VENDOR_NETRONOME=y CONFIG_NFP=m CONFIG_NFP_APP_FLOWER=y CONFIG_NFP_APP_ABM_NIC=y -CONFIG_NFP_NET_IPSEC=y +# CONFIG_NFP_NET_IPSEC is not set # CONFIG_NFP_DEBUG is not set # CONFIG_NET_VENDOR_NVIDIA is not set CONFIG_NET_VENDOR_OKI=y @@ -2976,10 +2976,10 @@ CONFIG_SMSC9420=m # CONFIG_NET_VENDOR_SYNOPSYS is not set # CONFIG_NET_VENDOR_TEHUTI is not set # CONFIG_NET_VENDOR_TI is not set -CONFIG_NET_VENDOR_VERTEXCOM=y +# CONFIG_NET_VENDOR_VERTEXCOM is not set # CONFIG_MSE102X is not set # CONFIG_NET_VENDOR_VIA is not set -CONFIG_NET_VENDOR_WANGXUN=y +# CONFIG_NET_VENDOR_WANGXUN is not set CONFIG_LIBWX=m CONFIG_NGBE=m CONFIG_TXGBE=m @@ -3245,7 +3245,7 @@ CONFIG_ATH10K_PCI=m CONFIG_WLAN_VENDOR_MICROCHIP=y # CONFIG_WILC1000_SDIO is not set # CONFIG_WILC1000_SPI is not set -CONFIG_WLAN_VENDOR_PURELIFI=y +# CONFIG_WLAN_VENDOR_PURELIFI is not set # CONFIG_PLFXLC is not set CONFIG_WLAN_VENDOR_RALINK=y CONFIG_RT2X00=m @@ -3272,7 +3272,7 @@ CONFIG_RT2X00_LIB_LEDS=y # CONFIG_RT2X00_DEBUG is not set # CONFIG_WLAN_VENDOR_REALTEK is not set # CONFIG_WLAN_VENDOR_RSI is not set -CONFIG_WLAN_VENDOR_SILABS=y +# CONFIG_WLAN_VENDOR_SILABS is not set # CONFIG_WFX is not set # CONFIG_WLAN_VENDOR_ST is not set # CONFIG_WLAN_VENDOR_TI is not set -- 2.34.1

2 1

[PATCH OLK-6.6 v2 0/3] Add support for mbigen to generate SPIs
by Yuntao Liu 13 Jan '24

13 Jan '24

enable MBIGEN to generate SPIs Yang Yingliang (3): irqchip/mbigen: rename register marcros irqchip/mbigen: add support for a MBIGEN generating SPIs dt-bindings/irqchip/mbigen: add example of MBIGEN generate SPIs .../hisilicon,mbigen-v2.txt | 17 +++++- arch/arm64/configs/openeuler_defconfig | 1 + drivers/irqchip/Kconfig | 7 +++ drivers/irqchip/irq-mbigen.c | 53 +++++++++++++++---- 4 files changed, 66 insertions(+), 12 deletions(-) -- 2.34.1

2 4

[PATCH OLK-6.6 v2] arm64: config: disable network config
by Zhengchao Shao 13 Jan '24

13 Jan '24

hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I8URWS CVE: NA -------------------------------- Disable arm64 network config. Signed-off-by: Zhengchao Shao <shaozhengchao(a)huawei.com> --- arch/arm64/configs/openeuler_defconfig | 30 +++++++++++++------------- 1 file changed, 15 insertions(+), 15 deletions(-) diff --git a/arch/arm64/configs/openeuler_defconfig b/arch/arm64/configs/openeuler_defconfig index 268550234d30..3322643984f8 100644 --- a/arch/arm64/configs/openeuler_defconfig +++ b/arch/arm64/configs/openeuler_defconfig @@ -1311,7 +1311,7 @@ CONFIG_NETFILTER_NETLINK_QUEUE=m CONFIG_NETFILTER_NETLINK_LOG=m CONFIG_NETFILTER_NETLINK_OSF=m CONFIG_NF_CONNTRACK=m -CONFIG_NF_LOG_SYSLOG=m +# CONFIG_NF_LOG_SYSLOG is not set CONFIG_NETFILTER_CONNCOUNT=m CONFIG_NF_CONNTRACK_MARK=y CONFIG_NF_CONNTRACK_SECMARK=y @@ -1873,7 +1873,7 @@ CONFIG_RFKILL_LEDS=y CONFIG_RFKILL_INPUT=y CONFIG_RFKILL_GPIO=m CONFIG_NET_9P=m -CONFIG_NET_9P_FD=m +# CONFIG_NET_9P_FD is not set CONFIG_NET_9P_VIRTIO=m # CONFIG_NET_9P_RDMA is not set # CONFIG_NET_9P_DEBUG is not set @@ -2770,7 +2770,7 @@ CONFIG_NET_XGENE_V2=m CONFIG_NET_VENDOR_AQUANTIA=y # CONFIG_AQTION is not set CONFIG_NET_VENDOR_ARC=y -CONFIG_NET_VENDOR_ASIX=y +# CONFIG_NET_VENDOR_ASIX is not set # CONFIG_SPI_AX88796C is not set CONFIG_NET_VENDOR_ATHEROS=y # CONFIG_ATL2 is not set @@ -2815,16 +2815,16 @@ CONFIG_CHELSIO_IPSEC_INLINE=m CONFIG_CHELSIO_TLS_DEVICE=m # CONFIG_NET_VENDOR_CISCO is not set # CONFIG_NET_VENDOR_CORTINA is not set -CONFIG_NET_VENDOR_DAVICOM=y +# CONFIG_NET_VENDOR_DAVICOM is not set # CONFIG_DM9051 is not set CONFIG_DNET=m # CONFIG_NET_VENDOR_DEC is not set # CONFIG_NET_VENDOR_DLINK is not set # CONFIG_NET_VENDOR_EMULEX is not set -CONFIG_NET_VENDOR_ENGLEDER=y +# CONFIG_NET_VENDOR_ENGLEDER is not set # CONFIG_TSNEP is not set # CONFIG_NET_VENDOR_EZCHIP is not set -CONFIG_NET_VENDOR_FUNGIBLE=y +# CONFIG_NET_VENDOR_FUNGIBLE is not set # CONFIG_FUN_ETH is not set CONFIG_NET_VENDOR_GOOGLE=y # CONFIG_GVE is not set @@ -2862,13 +2862,13 @@ CONFIG_I40E=m CONFIG_IAVF=m CONFIG_I40EVF=m CONFIG_ICE=m -CONFIG_ICE_SWITCHDEV=y +# CONFIG_ICE_SWITCHDEV is not set CONFIG_FM10K=m # CONFIG_IGC is not set # CONFIG_JME is not set -CONFIG_NET_VENDOR_ADI=y +# CONFIG_NET_VENDOR_ADI is not set # CONFIG_ADIN1110 is not set -CONFIG_NET_VENDOR_LITEX=y +# CONFIG_NET_VENDOR_LITEX is not set # CONFIG_LITEX_LITEETH is not set # CONFIG_NET_VENDOR_MARVELL is not set CONFIG_NET_VENDOR_MELLANOX=y @@ -2905,7 +2905,7 @@ CONFIG_MLXFW=m # CONFIG_NET_VENDOR_MICROCHIP is not set CONFIG_NET_VENDOR_MICROSEMI=y # CONFIG_MSCC_OCELOT_SWITCH is not set -CONFIG_NET_VENDOR_MICROSOFT=y +# CONFIG_NET_VENDOR_MICROSOFT is not set CONFIG_NET_VENDOR_MYRI=y # CONFIG_MYRI10GE is not set # CONFIG_FEALNX is not set @@ -2916,7 +2916,7 @@ CONFIG_NET_VENDOR_NETRONOME=y CONFIG_NFP=m CONFIG_NFP_APP_FLOWER=y CONFIG_NFP_APP_ABM_NIC=y -CONFIG_NFP_NET_IPSEC=y +# CONFIG_NFP_NET_IPSEC is not set # CONFIG_NFP_DEBUG is not set # CONFIG_NET_VENDOR_NVIDIA is not set CONFIG_NET_VENDOR_OKI=y @@ -2976,10 +2976,10 @@ CONFIG_SMSC9420=m # CONFIG_NET_VENDOR_SYNOPSYS is not set # CONFIG_NET_VENDOR_TEHUTI is not set # CONFIG_NET_VENDOR_TI is not set -CONFIG_NET_VENDOR_VERTEXCOM=y +# CONFIG_NET_VENDOR_VERTEXCOM is not set # CONFIG_MSE102X is not set # CONFIG_NET_VENDOR_VIA is not set -CONFIG_NET_VENDOR_WANGXUN=y +# CONFIG_NET_VENDOR_WANGXUN is not set CONFIG_LIBWX=m CONFIG_NGBE=m CONFIG_TXGBE=m @@ -3245,7 +3245,7 @@ CONFIG_ATH10K_PCI=m CONFIG_WLAN_VENDOR_MICROCHIP=y # CONFIG_WILC1000_SDIO is not set # CONFIG_WILC1000_SPI is not set -CONFIG_WLAN_VENDOR_PURELIFI=y +# CONFIG_WLAN_VENDOR_PURELIFI is not set # CONFIG_PLFXLC is not set CONFIG_WLAN_VENDOR_RALINK=y CONFIG_RT2X00=m @@ -3272,7 +3272,7 @@ CONFIG_RT2X00_LIB_LEDS=y # CONFIG_RT2X00_DEBUG is not set # CONFIG_WLAN_VENDOR_REALTEK is not set # CONFIG_WLAN_VENDOR_RSI is not set -CONFIG_WLAN_VENDOR_SILABS=y +# CONFIG_WLAN_VENDOR_SILABS is not set # CONFIG_WFX is not set # CONFIG_WLAN_VENDOR_ST is not set # CONFIG_WLAN_VENDOR_TI is not set -- 2.34.1

2 1

[PATCH OLK-6.6 v2] x86: config: disable network config
by Zhengchao Shao 13 Jan '24

13 Jan '24

hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I8UM53 CVE: NA -------------------------------- Disable X86 network config. Signed-off-by: Zhengchao Shao <shaozhengchao(a)huawei.com> --- arch/x86/configs/openeuler_defconfig | 32 ++++++++++++++-------------- 1 file changed, 16 insertions(+), 16 deletions(-) diff --git a/arch/x86/configs/openeuler_defconfig b/arch/x86/configs/openeuler_defconfig index 43574cee0160..82a6dcb6e342 100644 --- a/arch/x86/configs/openeuler_defconfig +++ b/arch/x86/configs/openeuler_defconfig @@ -1868,7 +1868,7 @@ CONFIG_BT_CMTP=m CONFIG_BT_HIDP=m CONFIG_BT_HS=y CONFIG_BT_LE=y -CONFIG_BT_LE_L2CAP_ECRED=y +# CONFIG_BT_LE_L2CAP_ECRED is not set # CONFIG_BT_6LOWPAN is not set # CONFIG_BT_LEDS is not set # CONFIG_BT_MSFTEXT is not set @@ -1884,7 +1884,7 @@ CONFIG_BT_BCM=m CONFIG_BT_RTL=m CONFIG_BT_HCIBTUSB=m CONFIG_BT_HCIBTUSB_AUTOSUSPEND=y -CONFIG_BT_HCIBTUSB_POLL_SYNC=y +# CONFIG_BT_HCIBTUSB_POLL_SYNC is not set CONFIG_BT_HCIBTUSB_BCM=y # CONFIG_BT_HCIBTUSB_MTK is not set CONFIG_BT_HCIBTUSB_RTL=y @@ -2796,7 +2796,7 @@ CONFIG_AMD_XGBE_HAVE_ECC=y CONFIG_NET_VENDOR_AQUANTIA=y CONFIG_AQTION=m # CONFIG_NET_VENDOR_ARC is not set -CONFIG_NET_VENDOR_ASIX=y +# CONFIG_NET_VENDOR_ASIX is not set # CONFIG_SPI_AX88796C is not set CONFIG_NET_VENDOR_ATHEROS=y CONFIG_ATL2=m @@ -2844,7 +2844,7 @@ CONFIG_CHELSIO_IPSEC_INLINE=m CONFIG_NET_VENDOR_CISCO=y CONFIG_ENIC=m # CONFIG_NET_VENDOR_CORTINA is not set -CONFIG_NET_VENDOR_DAVICOM=y +# CONFIG_NET_VENDOR_DAVICOM is not set # CONFIG_DM9051 is not set CONFIG_DNET=m CONFIG_NET_VENDOR_DEC=y @@ -2859,10 +2859,10 @@ CONFIG_BE2NET_HWMON=y # CONFIG_BE2NET_BE3 is not set CONFIG_BE2NET_LANCER=y CONFIG_BE2NET_SKYHAWK=y -CONFIG_NET_VENDOR_ENGLEDER=y +# CONFIG_NET_VENDOR_ENGLEDER is not set # CONFIG_TSNEP is not set # CONFIG_NET_VENDOR_EZCHIP is not set -CONFIG_NET_VENDOR_FUNGIBLE=y +# CONFIG_NET_VENDOR_FUNGIBLE is not set # CONFIG_FUN_ETH is not set CONFIG_NET_VENDOR_GOOGLE=y # CONFIG_GVE is not set @@ -2890,14 +2890,14 @@ CONFIG_I40E_DCB=y CONFIG_IAVF=m CONFIG_I40EVF=m CONFIG_ICE=m -CONFIG_ICE_SWITCHDEV=y -CONFIG_ICE_HWTS=y +# CONFIG_ICE_SWITCHDEV is not set +#CONFIG_ICE_HWTS is not set CONFIG_FM10K=m # CONFIG_IGC is not set # CONFIG_JME is not set -CONFIG_NET_VENDOR_ADI=y +# CONFIG_NET_VENDOR_ADI is not set # CONFIG_ADIN1110 is not set -CONFIG_NET_VENDOR_LITEX=y +# CONFIG_NET_VENDOR_LITEX is not set # CONFIG_NET_VENDOR_MARVELL is not set CONFIG_NET_VENDOR_MELLANOX=y CONFIG_MLX4_EN=m @@ -2932,7 +2932,7 @@ CONFIG_MLXFW=m # CONFIG_NET_VENDOR_MICREL is not set # CONFIG_NET_VENDOR_MICROCHIP is not set # CONFIG_NET_VENDOR_MICROSEMI is not set -CONFIG_NET_VENDOR_MICROSOFT=y +# CONFIG_NET_VENDOR_MICROSOFT is not set # CONFIG_MICROSOFT_MANA is not set CONFIG_NET_VENDOR_MYRI=y CONFIG_MYRI10GE=m @@ -2946,7 +2946,7 @@ CONFIG_NET_VENDOR_NETRONOME=y CONFIG_NFP=m CONFIG_NFP_APP_FLOWER=y CONFIG_NFP_APP_ABM_NIC=y -CONFIG_NFP_NET_IPSEC=y +# CONFIG_NFP_NET_IPSEC is not set # CONFIG_NFP_DEBUG is not set # CONFIG_NET_VENDOR_NVIDIA is not set CONFIG_NET_VENDOR_OKI=y @@ -3003,10 +3003,10 @@ CONFIG_SFC_MCDI_LOGGING=y # CONFIG_NET_VENDOR_SYNOPSYS is not set # CONFIG_NET_VENDOR_TEHUTI is not set # CONFIG_NET_VENDOR_TI is not set -CONFIG_NET_VENDOR_VERTEXCOM=y +# CONFIG_NET_VENDOR_VERTEXCOM is not set # CONFIG_MSE102X is not set # CONFIG_NET_VENDOR_VIA is not set -CONFIG_NET_VENDOR_WANGXUN=y +# CONFIG_NET_VENDOR_WANGXUN is not set CONFIG_LIBWX=m CONFIG_NGBE=m CONFIG_TXGBE=m @@ -3333,7 +3333,7 @@ CONFIG_MT76x2U=m CONFIG_WLAN_VENDOR_MICROCHIP=y # CONFIG_WILC1000_SDIO is not set # CONFIG_WILC1000_SPI is not set -CONFIG_WLAN_VENDOR_PURELIFI=y +# CONFIG_WLAN_VENDOR_PURELIFI is not set # CONFIG_PLFXLC is not set CONFIG_WLAN_VENDOR_RALINK=y CONFIG_RT2X00=m @@ -3390,7 +3390,7 @@ CONFIG_RTL8XXXU=m # CONFIG_RTW88 is not set # CONFIG_RTW89 is not set # CONFIG_WLAN_VENDOR_RSI is not set -CONFIG_WLAN_VENDOR_SILABS=y +# CONFIG_WLAN_VENDOR_SILABS is not set # CONFIG_WFX is not set # CONFIG_WLAN_VENDOR_ST is not set # CONFIG_WLAN_VENDOR_TI is not set -- 2.34.1

2 1

[PATCH OLK-6.6 v6 0/2] optimize inlining
by Yuntao Liu 13 Jan '24

13 Jan '24

Hulk 6.6 did not use OPTIMIZE_INLINING. It used the gnu_inline attribute, which caused the inline functions to not be actually inlined, introducing performance issues. Therefore, we set it to be editable (disabled by default) and made adjustments to some functions that had linking conflicts. Guo Xuenan (2): Revert "compiler: remove CONFIG_OPTIMIZE_INLINING entirely" make OPTIMIZE_INLINING config editable arch/arm64/kvm/sys_regs.h | 4 +-- arch/x86/configs/i386_defconfig | 1 + arch/x86/configs/x86_64_defconfig | 1 + .../net/ethernet/mellanox/mlx5/core/health.c | 25 +++++++++++++++++++ .../ethernet/mellanox/mlx5/core/mlx5_core.h | 24 ------------------ .../pci/hive_isp_css_include/print_support.h | 2 +- include/linux/compiler_types.h | 19 ++++++++++++++ include/trace/trace_events.h | 2 +- kernel/configs/tiny.config | 1 + lib/Kconfig.debug | 13 ++++++++++ 10 files changed, 64 insertions(+), 28 deletions(-) -- 2.34.1

2 3

[PATCH OLK-6.6 v5 0/8] introduce smart_grid zone
by Yipeng Zou 13 Jan '24

13 Jan '24

The patch sets include two parts: 1. patch 1~3: Rebase smart_grid from OLK-5.10 to OLK-6.6 2. patch 4~7: introduce smart_grid zone qos and cpufreq Since V4: 1. rebase to OLK-6.6 head Since V3: 1. fix some review comments Since V2: 1. move new sysctl form sysctl.c to fair.c 2. add smart_grid cmdline Since V1: 1. Don't init smart_grid cpufreq with dynamic_affinity disable. 2. Forbid smart_grid cgroup interface with dynamic_affinity disable. Hui Tang (1): sched: Introduce smart grid scheduling strategy for cfs Wang ShaoBo (2): sched: smart grid: init sched_grid_qos structure on QOS purpose config: enable CONFIG_QOS_SCHED_SMART_GRID by default Yipeng Zou (5): sched: introduce smart grid qos zone smart_grid: introduce /proc/pid/smart_grid_level smart_grid: introduce smart_grid_strategy_ctrl sysctl smart_grid: cpufreq: introduce smart_grid cpufreq control smart_grid: introduce smart_grid cmdline arch/arm64/configs/openeuler_defconfig | 1 + arch/x86/configs/openeuler_defconfig | 1 + drivers/cpufreq/cpufreq.c | 244 +++++++++++ fs/proc/array.c | 16 + fs/proc/base.c | 84 ++++ include/linux/cpufreq.h | 11 + include/linux/sched.h | 32 ++ include/linux/sched/grid_qos.h | 135 +++++++ init/Kconfig | 13 + kernel/fork.c | 15 + kernel/sched/Makefile | 1 + kernel/sched/core.c | 181 +++++++++ kernel/sched/fair.c | 537 ++++++++++++++++++++++++- kernel/sched/grid/Makefile | 2 + kernel/sched/grid/internal.h | 6 + kernel/sched/grid/power.c | 27 ++ kernel/sched/grid/qos.c | 279 +++++++++++++ kernel/sched/grid/stat.c | 47 +++ kernel/sched/sched.h | 48 ++- mm/mempolicy.c | 11 +- 20 files changed, 1680 insertions(+), 11 deletions(-) create mode 100644 include/linux/sched/grid_qos.h create mode 100644 kernel/sched/grid/Makefile create mode 100644 kernel/sched/grid/internal.h create mode 100644 kernel/sched/grid/power.c create mode 100644 kernel/sched/grid/qos.c create mode 100644 kernel/sched/grid/stat.c -- 2.34.1

2 9

[PATCH OLK-6.6] drivers: hooks: add bonding driver vendor hooks
by Zhengchao Shao 12 Jan '24

12 Jan '24

From: Wei Yongjun <weiyongjun1(a)huawei.com> hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8VOZQ CVE: NA --------------------------- Allow vendor modules to attach bonding driver hooks. This patch introduce vendor_bond_check_dev_link hook. Usage: static void vendor_foo(void *data, const struct bonding *bond, const struct slave *slave, int *state) { pr_info("%s\n", __func__); } static int __init vendor_bond_init(void) { return register_trace_vendor_bond_check_dev_link(&vendor_foo, NULL); } static void __exit vendor_bond_exit(void) { unregister_trace_vendor_bond_check_dev_link(&vendor_foo, NULL); } module_init(vendor_bond_init); module_exit(vendor_bond_exit); Signed-off-by: Wei Yongjun <weiyongjun1(a)huawei.com> Signed-off-by: Zhengchao Shao <shaozhengchao(a)huawei.com> --- arch/arm64/configs/openeuler_defconfig | 1 + arch/x86/configs/openeuler_defconfig | 1 + drivers/hooks/Kconfig | 10 +++++++++ drivers/hooks/vendor_hooks.c | 4 ++++ drivers/net/bonding/bond_main.c | 5 +++++ include/trace/hooks/bonding.h | 29 ++++++++++++++++++++++++++ 6 files changed, 50 insertions(+) create mode 100644 include/trace/hooks/bonding.h diff --git a/arch/arm64/configs/openeuler_defconfig b/arch/arm64/configs/openeuler_defconfig index 703fe5bc2535..268550234d30 100644 --- a/arch/arm64/configs/openeuler_defconfig +++ b/arch/arm64/configs/openeuler_defconfig @@ -6736,6 +6736,7 @@ CONFIG_USB4=m # Vendor Hooks # CONFIG_VENDOR_HOOKS=y +CONFIG_VENDOR_BOND_HOOKS=y # end of Vendor Hooks CONFIG_LIBNVDIMM=m diff --git a/arch/x86/configs/openeuler_defconfig b/arch/x86/configs/openeuler_defconfig index c9e816e54003..43574cee0160 100644 --- a/arch/x86/configs/openeuler_defconfig +++ b/arch/x86/configs/openeuler_defconfig @@ -7939,6 +7939,7 @@ CONFIG_USB4=m # Vendor Hooks # CONFIG_VENDOR_HOOKS=y +CONFIG_VENDOR_BOND_HOOKS=y # end of Vendor Hooks CONFIG_LIBNVDIMM=m diff --git a/drivers/hooks/Kconfig b/drivers/hooks/Kconfig index 1c0e33ef9a56..6a00168e67ad 100644 --- a/drivers/hooks/Kconfig +++ b/drivers/hooks/Kconfig @@ -10,4 +10,14 @@ config VENDOR_HOOKS Allow vendor modules to attach to tracepoint "hooks" defined via DECLARE_HOOK or DECLARE_RESTRICTED_HOOK. +config VENDOR_BOND_HOOKS + bool "Ethernet Bonding driver Vendor Hooks" + depends on VENDOR_HOOKS && BONDING + default n + help + Enable ethernet bonding driver vendor hooks + + Allow vendor modules to attach bonding driver hooks defined via + DECLARE_HOOK or DECLARE_RESTRICTED_HOOK. + endmenu diff --git a/drivers/hooks/vendor_hooks.c b/drivers/hooks/vendor_hooks.c index 359989d1bb32..85bda58159f6 100644 --- a/drivers/hooks/vendor_hooks.c +++ b/drivers/hooks/vendor_hooks.c @@ -8,9 +8,13 @@ #define CREATE_TRACE_POINTS #include <trace/hooks/vendor_hooks.h> +#include <trace/hooks/bonding.h> /* * Export tracepoints that act as a bare tracehook (ie: have no trace event * associated with them) to allow external modules to probe them. */ +#ifdef CONFIG_VENDOR_BOND_HOOKS +EXPORT_TRACEPOINT_SYMBOL_GPL(vendor_bond_check_dev_link); +#endif diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 80ebf3fbc88e..0fd7263b1dd7 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -91,6 +91,7 @@ #endif #include <net/ip6_route.h> #include <net/xdp.h> +#include <trace/hooks/bonding.h> #include "bonding_priv.h" @@ -2601,6 +2602,10 @@ static int bond_miimon_inspect(struct bonding *bond) link_state = bond_check_dev_link(bond, slave->dev, 0); +#ifdef CONFIG_VENDOR_BOND_HOOKS + trace_vendor_bond_check_dev_link(bond, slave, &link_state); +#endif + switch (slave->link) { case BOND_LINK_UP: if (link_state) diff --git a/include/trace/hooks/bonding.h b/include/trace/hooks/bonding.h new file mode 100644 index 000000000000..fc77d6da3a19 --- /dev/null +++ b/include/trace/hooks/bonding.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Ethernet Bonding driver Vendor Hooks + * + * Copyright (c) 2022, Huawei Tech. Co., Ltd. + */ + +#ifdef CONFIG_VENDOR_BOND_HOOKS + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM bonding + +#define TRACE_INCLUDE_PATH trace/hooks +#if !defined(_TRACE_HOOK_BONDING_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_HOOK_BONDING_H +#include <linux/tracepoint.h> +#include <trace/hooks/vendor_hooks.h> + +struct bonding; +struct slave; +DECLARE_HOOK(vendor_bond_check_dev_link, + TP_PROTO(const struct bonding *bond, const struct slave *slave, int *state), + TP_ARGS(bond, slave, state)); + +#endif +/* This part must be outside protection */ +#include <trace/define_trace.h> + +#endif -- 2.34.1

2 1

[PATCH OLK-5.10] drm/amd/display: Exit idle optimizations before attempt to access PHY
by Dapeng Yu 12 Jan '24

12 Jan '24

From: Leo Chen <sancchen(a)amd.com> stable inclusion from stable-v5.10.205 commit 357badc01add6e98dd69c9831843da9cc3e905e9 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8AS5P CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=… ------------------------- [ Upstream commit de612738e9771bd66aeb20044486c457c512f684 ] [Why & How] DMUB may hang when powering down pixel clocks due to no dprefclk. It is fixed by exiting idle optimization before the attempt to access PHY. Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas(a)amd.com> Acked-by: Alex Hung <alex.hung(a)amd.com> Signed-off-by: Leo Chen <sancchen(a)amd.com> Tested-by: Daniel Wheeler <daniel.wheeler(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Baogen Shang <baogen.shang(a)windriver.com> --- drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index e33fe0207b9e..53e8defd3475 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1682,10 +1682,13 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context) hws->funcs.edp_backlight_control(edp_link_with_sink, false); } /*resume from S3, no vbios posting, no need to power down again*/ + clk_mgr_exit_optimized_pwr_state(dc, dc->clk_mgr); + power_down_all_hw_blocks(dc); disable_vga_and_power_gate_all_controllers(dc); if (edp_link_with_sink && !keep_edp_vdd_on) dc->hwss.edp_power_control(edp_link_with_sink, false); + clk_mgr_optimize_pwr_state(dc, dc->clk_mgr); } bios_set_scratch_acc_mode_change(dc->ctx->dc_bios); } -- 2.33.0

1 0

[PATCH OLK-5.10] drm/amd/display: Exit idle optimizations before attempt to access PHY
by Dapeng Yu 12 Jan '24

12 Jan '24

From: Leo Chen <sancchen(a)amd.com> stable inclusion from stable-v5.10.205 commit 357badc01add6e98dd69c9831843da9cc3e905e9 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8AS5P CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=… ------------------------- [ Upstream commit de612738e9771bd66aeb20044486c457c512f684 ] [Why & How] DMUB may hang when powering down pixel clocks due to no dprefclk. It is fixed by exiting idle optimization before the attempt to access PHY. Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas(a)amd.com> Acked-by: Alex Hung <alex.hung(a)amd.com> Signed-off-by: Leo Chen <sancchen(a)amd.com> Tested-by: Daniel Wheeler <daniel.wheeler(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Baogen Shang <baogen.shang(a)windriver.com> --- drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index e33fe0207b9e..53e8defd3475 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1682,10 +1682,13 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context) hws->funcs.edp_backlight_control(edp_link_with_sink, false); } /*resume from S3, no vbios posting, no need to power down again*/ + clk_mgr_exit_optimized_pwr_state(dc, dc->clk_mgr); + power_down_all_hw_blocks(dc); disable_vga_and_power_gate_all_controllers(dc); if (edp_link_with_sink && !keep_edp_vdd_on) dc->hwss.edp_power_control(edp_link_with_sink, false); + clk_mgr_optimize_pwr_state(dc, dc->clk_mgr); } bios_set_scratch_acc_mode_change(dc->ctx->dc_bios); } -- 2.33.0

1 0

[PATCH OLK-6.6 v10 0/6] block: Add config to show info about opening a mounted device for write
by Li Lingfeng 12 Jan '24

12 Jan '24

v1->v2: 1) Replace BLK_DEV_DUMPINFO with BLK_DEV_WRITE_MOUNTED_QUIET, which is logically opposite; 2) Make BLK_DEV_WRITE_MOUNTED_QUIET dependent on BLK_DEV_WRITE_MOUNTED, and decide whether to set bd_writers by BLK_DEV_WRITE_MOUNTED_QUIET; 3) Move bdev_dump_info() into bdev_may_open(); 4) Add the cmdline interface to control whether to show info; 5) Pass the state of "writes blocked" to part0 when mounting a partition. v2->v3: Add restriction for modifying bd_writers. v3->v4: 1) Count bd_writers regardless of whether bdev_allow_write_mounted is set; 2) Expand the meaning of bdev_allow_write_mounted; 3) Add config option to detect writing to part0 while partitions mounted; 4) Add bd_mounters to record the number of times that part0 or partition is mounted; 5) Show info about opening a lower device for write while upper-layers mounted. v4->v5: Move introduction of bd_mounters to patch1. v5->v6: Delete redundant conflict judgment. v6->v7: 1) Replace BLK_DEV_WRITE_MOUNTED_QUIET with BLK_DEV_WRITE_MOUNTED_DUMP; 2) Remove restriction for setting bdev_allow_write_mounted by cmdline. v7->v8: 1) Add detection of mounting part0 while partitions write opened; 2) Add detection of writing partitions while part0 mounted; 3) Add config in openeuler_defconfig. v8->v9: 1) Split bd_mounters into bd_mounted and part_mounters; 2) Add part_writers; 3) Count part_writers and part_mounters regardless of whether BLK_DEV_DETECT_WRITING_PART0 is set. v9->v10: 1) Split the logic of detecting writing lower device from bd_may_open(); 2) Fix the bug of initializing bdev_allow_write_mounted. Li Lingfeng (6): block: Record writing and mounting regardless of whether bdev_allow_write_mounted is set block: Expand the meaning of bdev_allow_write_mounted block: Add config option to detect writing to part0 while partitions mounted block: Add config option to show info about opening a mounted device for write block: Show info about opening a lower device for write while upper-layers mounted add config about writing mounted devices in openeuler_defconfig arch/arm64/configs/openeuler_defconfig | 3 + arch/x86/configs/openeuler_defconfig | 3 + block/Kconfig | 17 ++++ block/bdev.c | 123 +++++++++++++++++++++---- include/linux/blk_types.h | 3 + include/linux/blkdev.h | 2 + 6 files changed, 133 insertions(+), 18 deletions(-) -- 2.31.1

2 7

[PATCH OLK-6.6 00/12] Support feature pv-qspinlock pv-sched
by lishusen 12 Jan '24

12 Jan '24

Support feature pv-qspinlock pv-sched Zengruan Ye (10): KVM: arm64: Document PV-sched interface KVM: arm64: Implement PV_SCHED_FEATURES call KVM: arm64: Support pvsched preempted via shared structure KVM: arm64: Add interface to support vCPU preempted check KVM: arm64: Support the vCPU preemption check KVM: arm64: Add SMCCC PV-sched to kick cpu KVM: arm64: Implement PV_SCHED_KICK_CPU call KVM: arm64: Add interface to support PV qspinlock KVM: arm64: Enable PV qspinlock KVM: arm64: Add tracepoints for PV qspinlock lishusen (1): KVM: arm64: Replace pv.ops by static_call for PV qspinlock feature yezengruan (1): kvm: arm64: fix some pvsched bugs Documentation/virt/kvm/arm/pvsched.rst | 74 ++++++++ arch/arm64/Kconfig | 13 ++ arch/arm64/include/asm/Kbuild | 1 - arch/arm64/include/asm/kvm_host.h | 20 +++ arch/arm64/include/asm/paravirt.h | 49 ++++++ arch/arm64/include/asm/pvsched-abi.h | 16 ++ arch/arm64/include/asm/qspinlock.h | 48 +++++ arch/arm64/include/asm/qspinlock_paravirt.h | 12 ++ arch/arm64/include/asm/spinlock.h | 13 ++ arch/arm64/kernel/Makefile | 3 +- arch/arm64/kernel/paravirt-spinlocks.c | 21 +++ arch/arm64/kernel/paravirt.c | 185 ++++++++++++++++++++ arch/arm64/kernel/trace-paravirt.h | 66 +++++++ arch/arm64/kvm/Makefile | 2 +- arch/arm64/kvm/arm.c | 15 +- arch/arm64/kvm/handle_exit.c | 1 + arch/arm64/kvm/hypercalls.c | 20 +++ arch/arm64/kvm/pvsched.c | 79 +++++++++ arch/arm64/kvm/trace_arm.h | 18 ++ include/linux/arm-smccc.h | 25 +++ include/linux/cpuhotplug.h | 1 + 21 files changed, 678 insertions(+), 4 deletions(-) create mode 100644 Documentation/virt/kvm/arm/pvsched.rst create mode 100644 arch/arm64/include/asm/pvsched-abi.h create mode 100644 arch/arm64/include/asm/qspinlock.h create mode 100644 arch/arm64/include/asm/qspinlock_paravirt.h create mode 100644 arch/arm64/kernel/paravirt-spinlocks.c create mode 100644 arch/arm64/kernel/trace-paravirt.h create mode 100644 arch/arm64/kvm/pvsched.c -- 2.33.0

2 13

[PATCH OLK-5.10] drm/amdgpu: correct the amdgpu runtime dereference usage count
by Dapeng Yu 12 Jan '24

12 Jan '24

From: Prike Liang <Prike.Liang(a)amd.com> stable inclusion from stable-v5.10.205 commit d4fb20dcc13b37ee4f02025cd1dc8054d6027721 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8AS5P CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=… ------------------------- [ Upstream commit c6df7f313794c3ad41a49b9a7c95da369db607f3 ] Fix the amdgpu runpm dereference usage count. Signed-off-by: Prike Liang <Prike.Liang(a)amd.com> Reviewed-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Cc: stable(a)vger.kernel.org Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Baogen Shang <baogen.shang(a)windriver.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index 7cc7af2a6822..3671a700189d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -299,13 +299,11 @@ int amdgpu_display_crtc_set_config(struct drm_mode_set *set, adev->have_disp_power_ref = true; return ret; } - /* if we have no active crtcs, then drop the power ref - we got before */ - if (!active && adev->have_disp_power_ref) { - pm_runtime_put_autosuspend(dev->dev); + /* if we have no active crtcs, then go to + * drop the power ref we got before + */ + if (!active && adev->have_disp_power_ref) adev->have_disp_power_ref = false; - } - out: /* drop the power reference we got coming in here */ pm_runtime_put_autosuspend(dev->dev); -- 2.33.0

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[PATCH OLK-5.10] drm/dp_mst: Fix NULL deref in get_mst_branch_device_by_guid_helper()
by Dapeng Yu 12 Jan '24

12 Jan '24

From: Lukasz Majczak <lma(a)semihalf.com> stable inclusion from stable-v5.10.205 commit 31c31a78dccfc6ad15af1f6e55ce8cfbb3d31fa5 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8AS5P CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=… ------------------------- [ Upstream commit 3d887d512494d678b17c57b835c32f4e48d34f26 ] As drm_dp_get_mst_branch_device_by_guid() is called from drm_dp_get_mst_branch_device_by_guid(), mstb parameter has to be checked, otherwise NULL dereference may occur in the call to the memcpy() and cause following: [12579.365869] BUG: kernel NULL pointer dereference, address: 0000000000000049 [12579.365878] #PF: supervisor read access in kernel mode [12579.365880] #PF: error_code(0x0000) - not-present page [12579.365882] PGD 0 P4D 0 [12579.365887] Oops: 0000 [#1] PREEMPT SMP NOPTI ... [12579.365895] Workqueue: events_long drm_dp_mst_up_req_work [12579.365899] RIP: 0010:memcmp+0xb/0x29 [12579.365921] Call Trace: [12579.365927] get_mst_branch_device_by_guid_helper+0x22/0x64 [12579.365930] drm_dp_mst_up_req_work+0x137/0x416 [12579.365933] process_one_work+0x1d0/0x419 [12579.365935] worker_thread+0x11a/0x289 [12579.365938] kthread+0x13e/0x14f [12579.365941] ? process_one_work+0x419/0x419 [12579.365943] ? kthread_blkcg+0x31/0x31 [12579.365946] ret_from_fork+0x1f/0x30 As get_mst_branch_device_by_guid_helper() is recursive, moving condition to the first line allow to remove a similar one for step over of NULL elements inside a loop. Fixes: 5e93b8208d3c ("drm/dp/mst: move GUID storage from mgr, port to only mst branch") Cc: <stable(a)vger.kernel.org> # 4.14+ Signed-off-by: Lukasz Majczak <lma(a)semihalf.com> Reviewed-by: Radoslaw Biernacki <rad(a)chromium.org> Signed-off-by: Manasi Navare <navaremanasi(a)chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230922063410.23626-1-lma@se… Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Baogen Shang <baogen.shang(a)windriver.com> --- drivers/gpu/drm/drm_dp_mst_topology.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index b5e15933cb5f..27305f339881 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -2612,14 +2612,14 @@ static struct drm_dp_mst_branch *get_mst_branch_device_by_guid_helper( struct drm_dp_mst_branch *found_mstb; struct drm_dp_mst_port *port; + if (!mstb) + return NULL; + if (memcmp(mstb->guid, guid, 16) == 0) return mstb; list_for_each_entry(port, &mstb->ports, next) { - if (!port->mstb) - continue; - found_mstb = get_mst_branch_device_by_guid_helper(port->mstb, guid); if (found_mstb) -- 2.33.0

1 0

[PATCH OLK-5.10] drm/amdgpu: correct chunk_ptr to a pointer to chunk.
by Dapeng Yu 12 Jan '24

12 Jan '24

From: YuanShang <YuanShang.Mao(a)amd.com> stable inclusion from stable-v5.10.205 commit 13b1fa5407949fb7ada3d2362c5099e18b2a25c8 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8AS5P CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=… ------------------------- [ Upstream commit 50d51374b498457c4dea26779d32ccfed12ddaff ] The variable "chunk_ptr" should be a pointer pointing to a struct drm_amdgpu_cs_chunk instead of to a pointer of that. Signed-off-by: YuanShang <YuanShang.Mao(a)amd.com> Reviewed-by: Christian König <christian.koenig(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Baogen Shang <baogen.shang(a)windriver.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index ffd8f5601e28..9e5eae1207e4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -153,7 +153,7 @@ static int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, union drm_amdgpu_cs } for (i = 0; i < p->nchunks; i++) { - struct drm_amdgpu_cs_chunk __user **chunk_ptr = NULL; + struct drm_amdgpu_cs_chunk __user *chunk_ptr = NULL; struct drm_amdgpu_cs_chunk user_chunk; uint32_t __user *cdata; -- 2.33.0

1 0

[PATCH OLK-5.10] drm/amdgpu: Fix a null pointer access when the smc_rreg pointer is NULL
by Dapeng Yu 12 Jan '24

12 Jan '24

From: Qu Huang <qu.huang(a)linux.dev> stable inclusion from stable-v5.10.205 commit f475d5502f33a6c5b149b0afe96316ad1962a64a category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8AS5P CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=… ------------------------- [ Upstream commit 5104fdf50d326db2c1a994f8b35dcd46e63ae4ad ] In certain types of chips, such as VEGA20, reading the amdgpu_regs_smc file could result in an abnormal null pointer access when the smc_rreg pointer is NULL. Below are the steps to reproduce this issue and the corresponding exception log: 1. Navigate to the directory: /sys/kernel/debug/dri/0 2. Execute command: cat amdgpu_regs_smc 3. Exception Log:: [4005007.702554] BUG: kernel NULL pointer dereference, address: 0000000000000000 [4005007.702562] #PF: supervisor instruction fetch in kernel mode [4005007.702567] #PF: error_code(0x0010) - not-present page [4005007.702570] PGD 0 P4D 0 [4005007.702576] Oops: 0010 [#1] SMP NOPTI [4005007.702581] CPU: 4 PID: 62563 Comm: cat Tainted: G OE 5.15.0-43-generic #46-Ubunt u [4005007.702590] RIP: 0010:0x0 [4005007.702598] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [4005007.702600] RSP: 0018:ffffa82b46d27da0 EFLAGS: 00010206 [4005007.702605] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffa82b46d27e68 [4005007.702609] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff9940656e0000 [4005007.702612] RBP: ffffa82b46d27dd8 R08: 0000000000000000 R09: ffff994060c07980 [4005007.702615] R10: 0000000000020000 R11: 0000000000000000 R12: 00007f5e06753000 [4005007.702618] R13: ffff9940656e0000 R14: ffffa82b46d27e68 R15: 00007f5e06753000 [4005007.702622] FS: 00007f5e0755b740(0000) GS:ffff99479d300000(0000) knlGS:0000000000000000 [4005007.702626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [4005007.702629] CR2: ffffffffffffffd6 CR3: 00000003253fc000 CR4: 00000000003506e0 [4005007.702633] Call Trace: [4005007.702636] <TASK> [4005007.702640] amdgpu_debugfs_regs_smc_read+0xb0/0x120 [amdgpu] [4005007.703002] full_proxy_read+0x5c/0x80 [4005007.703011] vfs_read+0x9f/0x1a0 [4005007.703019] ksys_read+0x67/0xe0 [4005007.703023] __x64_sys_read+0x19/0x20 [4005007.703028] do_syscall_64+0x5c/0xc0 [4005007.703034] ? do_user_addr_fault+0x1e3/0x670 [4005007.703040] ? exit_to_user_mode_prepare+0x37/0xb0 [4005007.703047] ? irqentry_exit_to_user_mode+0x9/0x20 [4005007.703052] ? irqentry_exit+0x19/0x30 [4005007.703057] ? exc_page_fault+0x89/0x160 [4005007.703062] ? asm_exc_page_fault+0x8/0x30 [4005007.703068] entry_SYSCALL_64_after_hwframe+0x44/0xae [4005007.703075] RIP: 0033:0x7f5e07672992 [4005007.703079] Code: c0 e9 b2 fe ff ff 50 48 8d 3d fa b2 0c 00 e8 c5 1d 02 00 0f 1f 44 00 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 0f 05 <48> 3d 00 f0 ff ff 77 56 c3 0f 1f 44 00 00 48 83 e c 28 48 89 54 24 [4005007.703083] RSP: 002b:00007ffe03097898 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [4005007.703088] RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007f5e07672992 [4005007.703091] RDX: 0000000000020000 RSI: 00007f5e06753000 RDI: 0000000000000003 [4005007.703094] RBP: 00007f5e06753000 R08: 00007f5e06752010 R09: 00007f5e06752010 [4005007.703096] R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000022000 [4005007.703099] R13: 0000000000000003 R14: 0000000000020000 R15: 0000000000020000 [4005007.703105] </TASK> [4005007.703107] Modules linked in: nf_tables libcrc32c nfnetlink algif_hash af_alg binfmt_misc nls_ iso8859_1 ipmi_ssif ast intel_rapl_msr intel_rapl_common drm_vram_helper drm_ttm_helper amd64_edac t tm edac_mce_amd kvm_amd ccp mac_hid k10temp kvm acpi_ipmi ipmi_si rapl sch_fq_codel ipmi_devintf ipm i_msghandler msr parport_pc ppdev lp parport mtd pstore_blk efi_pstore ramoops pstore_zone reed_solo mon ip_tables x_tables autofs4 ib_uverbs ib_core amdgpu(OE) amddrm_ttm_helper(OE) amdttm(OE) iommu_v 2 amd_sched(OE) amdkcl(OE) drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops cec rc_core drm igb ahci xhci_pci libahci i2c_piix4 i2c_algo_bit xhci_pci_renesas dca [4005007.703184] CR2: 0000000000000000 [4005007.703188] ---[ end trace ac65a538d240da39 ]--- [4005007.800865] RIP: 0010:0x0 [4005007.800871] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [4005007.800874] RSP: 0018:ffffa82b46d27da0 EFLAGS: 00010206 [4005007.800878] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffa82b46d27e68 [4005007.800881] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff9940656e0000 [4005007.800883] RBP: ffffa82b46d27dd8 R08: 0000000000000000 R09: ffff994060c07980 [4005007.800886] R10: 0000000000020000 R11: 0000000000000000 R12: 00007f5e06753000 [4005007.800888] R13: ffff9940656e0000 R14: ffffa82b46d27e68 R15: 00007f5e06753000 [4005007.800891] FS: 00007f5e0755b740(0000) GS:ffff99479d300000(0000) knlGS:0000000000000000 [4005007.800895] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [4005007.800898] CR2: ffffffffffffffd6 CR3: 00000003253fc000 CR4: 00000000003506e0 Signed-off-by: Qu Huang <qu.huang(a)linux.dev> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Baogen Shang <baogen.shang(a)windriver.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index 00a190929b55..48df32dd352e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -575,6 +575,9 @@ static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf, ssize_t result = 0; int r; + if (!adev->smc_rreg) + return -EPERM; + if (size & 0x3 || *pos & 0x3) return -EINVAL; @@ -634,6 +637,9 @@ static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user * ssize_t result = 0; int r; + if (!adev->smc_wreg) + return -EPERM; + if (size & 0x3 || *pos & 0x3) return -EINVAL; -- 2.33.0

1 0

[PATCH OLK-5.10] drm/amd/display: Exit idle optimizations before attempt to access PHY
by Dapeng Yu 12 Jan '24

12 Jan '24

From: Leo Chen <sancchen(a)amd.com> stable inclusion from stable-v5.10.205 commit 357badc01add6e98dd69c9831843da9cc3e905e9 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8AS5P CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=… ------------------------- [ Upstream commit de612738e9771bd66aeb20044486c457c512f684 ] [Why & How] DMUB may hang when powering down pixel clocks due to no dprefclk. It is fixed by exiting idle optimization before the attempt to access PHY. Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas(a)amd.com> Acked-by: Alex Hung <alex.hung(a)amd.com> Signed-off-by: Leo Chen <sancchen(a)amd.com> Tested-by: Daniel Wheeler <daniel.wheeler(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Baogen Shang <baogen.shang(a)windriver.com> --- drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index e33fe0207b9e..53e8defd3475 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1682,10 +1682,13 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context) hws->funcs.edp_backlight_control(edp_link_with_sink, false); } /*resume from S3, no vbios posting, no need to power down again*/ + clk_mgr_exit_optimized_pwr_state(dc, dc->clk_mgr); + power_down_all_hw_blocks(dc); disable_vga_and_power_gate_all_controllers(dc); if (edp_link_with_sink && !keep_edp_vdd_on) dc->hwss.edp_power_control(edp_link_with_sink, false); + clk_mgr_optimize_pwr_state(dc, dc->clk_mgr); } bios_set_scratch_acc_mode_change(dc->ctx->dc_bios); } -- 2.33.0

1 0

[PATCH OLK-6.6 00/26] Introduce dynamic pool feature
by Liu Shixin 12 Jan '24

12 Jan '24

Rename from dynamic hugetlb(OLK_5.10) to dynamic pool. A per-memcg pagepool. The task in the memcg will prefer to alloc pages from corresponding pool. Liu Shixin (26): mm/memcg: introduce mem_cgroup_scan_cgroups to scan all memcgs mm/memcg: introduce memcg_has_children to check memcg mm/dynamic_pool: introduce per-memcg memory pool mm/dynamic_pool: introduce PG_dpool to mark free pages in dpool mm/dynamic_pool: introduce PG_pool to mark pages allocated from dpool mm/dynamic_pool: create dpool by dhugetlb.nr_pages interface mm/dynamic_pool: fill dpool with HugeTLB 1G pages mm/dynamic_pool: add interface to configure the count of hugepages mm/dynamic_pool: add restore_pool ops to reclaim memory and restore hugepages mm/dynamic_pool: support to flow pages between 1G and 2M pages pool mm/dynamic_pool: support to flow pages between 2M and 4K pages pool mm/dynamic_pool: migrate used pages before promote to huge page mm/dynamic_pool: call mem_cgroup_force_empty before restore pool mm/dynamic_pool: prevent task attach to another dpool mm/dynamic_pool: support page allocation from dpool mm/dynamic_pool: speed up allocation by percpu pages pool mm/dynamic_pool: check resv for HugeTLB allocation from dpool mm/dynamic_pool: support HugeTLB page allocation from dpool mm/dynamic_pool: add tracepoints for dpool mm/dynamic_pool: fill dpool with pagelist mm/dynamic_pool: disable THP for task attached with dpool mm/dynamic_pool: compatible with HugeTLB dissolve mm/dynamic_pool: compatible with HugeTLB Vmemmap mm/dynamic_pool: compatible with memory hwpoison mm/dynamic_pool: add Document for dynamic hugetlb feature mm/dynamic_pool: enable CONFIG_DYNAMIC_POOL on x86_64 and arm64 by default Documentation/mm/dynamic_hugetlb.rst | 100 ++ arch/arm64/configs/openeuler_defconfig | 1 + arch/x86/configs/openeuler_defconfig | 1 + fs/hugetlbfs/inode.c | 5 + fs/proc/meminfo.c | 3 + fs/proc/page.c | 3 + include/linux/dynamic_pool.h | 228 ++++ include/linux/hugetlb.h | 11 + include/linux/memcontrol.h | 21 + include/linux/memory_hotplug.h | 5 + include/linux/mm.h | 1 + include/linux/page-flags.h | 22 + include/ras/ras_event.h | 1 + include/trace/events/dynamic_pool.h | 174 +++ include/trace/events/mmflags.h | 7 + include/uapi/linux/kernel-page-flags.h | 1 + kernel/cgroup/cgroup.c | 12 + mm/Kconfig | 9 + mm/Makefile | 1 + mm/dynamic_pool.c | 1722 ++++++++++++++++++++++++ mm/hugetlb.c | 103 +- mm/hugetlb_vmemmap.c | 4 + mm/internal.h | 6 + mm/khugepaged.c | 18 + mm/memcontrol.c | 119 +- mm/memory-failure.c | 16 +- mm/memory.c | 7 +- mm/memory_hotplug.c | 2 +- mm/page_alloc.c | 28 +- mm/shmem.c | 3 + mm/show_mem.c | 2 + tools/mm/page-types.c | 1 + 32 files changed, 2598 insertions(+), 39 deletions(-) create mode 100644 Documentation/mm/dynamic_hugetlb.rst create mode 100644 include/linux/dynamic_pool.h create mode 100644 include/trace/events/dynamic_pool.h create mode 100644 mm/dynamic_pool.c -- 2.25.1

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[PATCH OLK-6.6 00/26] Introduce dynamic pool feature
by Liu Shixin 12 Jan '24

12 Jan '24

Rename from dynamic hugetlb(OLK_5.10) to dynamic pool. A per-memcg pagepool. The task in the memcg will prefer to alloc pages from corresponding pool. Liu Shixin (26): mm/memcg: introduce mem_cgroup_scan_cgroups to scan all memcgs mm/memcg: introduce memcg_has_children to check memcg mm/dynamic_pool: introduce per-memcg memory pool mm/dynamic_pool: introduce PG_dpool to mark free pages in dpool mm/dynamic_pool: introduce PG_pool to mark pages allocated from dpool mm/dynamic_pool: create dpool by dhugetlb.nr_pages interface mm/dynamic_pool: fill dpool with HugeTLB 1G pages mm/dynamic_pool: add interface to configure the count of hugepages mm/dynamic_pool: add restore_pool ops to reclaim memory and restore hugepages mm/dynamic_pool: support to flow pages between 1G and 2M pages pool mm/dynamic_pool: support to flow pages between 2M and 4K pages pool mm/dynamic_pool: migrate used pages before promote to huge page mm/dynamic_pool: call mem_cgroup_force_empty before restore pool mm/dynamic_pool: prevent task attach to another dpool mm/dynamic_pool: support page allocation from dpool mm/dynamic_pool: speed up allocation by percpu pages pool mm/dynamic_pool: check resv for HugeTLB allocation from dpool mm/dynamic_pool: support HugeTLB page allocation from dpool mm/dynamic_pool: add tracepoints for dpool mm/dynamic_pool: fill dpool with pagelist mm/dynamic_pool: disable THP for task attached with dpool mm/dynamic_pool: compatible with HugeTLB dissolve mm/dynamic_pool: compatible with HugeTLB Vmemmap mm/dynamic_pool: compatible with memory hwpoison mm/dynamic_hugetlb: add Document for dynamic hugetlb feature mm/dynamic_pool: enable CONFIG_DYNAMIC_POOL on x86_64 and arm64 by default Documentation/mm/dynamic_hugetlb.rst | 100 ++ arch/arm64/configs/openeuler_defconfig | 1 + arch/x86/configs/openeuler_defconfig | 1 + fs/hugetlbfs/inode.c | 5 + fs/proc/meminfo.c | 3 + fs/proc/page.c | 3 + include/linux/dynamic_pool.h | 228 ++++ include/linux/hugetlb.h | 11 + include/linux/memcontrol.h | 21 + include/linux/memory_hotplug.h | 5 + include/linux/mm.h | 1 + include/linux/page-flags.h | 22 + include/ras/ras_event.h | 1 + include/trace/events/dynamic_pool.h | 174 +++ include/trace/events/mmflags.h | 7 + include/uapi/linux/kernel-page-flags.h | 1 + kernel/cgroup/cgroup.c | 12 + mm/Kconfig | 9 + mm/Makefile | 1 + mm/dynamic_pool.c | 1722 ++++++++++++++++++++++++ mm/hugetlb.c | 103 +- mm/hugetlb_vmemmap.c | 4 + mm/internal.h | 6 + mm/khugepaged.c | 18 + mm/memcontrol.c | 119 +- mm/memory-failure.c | 16 +- mm/memory.c | 7 +- mm/memory_hotplug.c | 2 +- mm/page_alloc.c | 28 +- mm/shmem.c | 3 + mm/show_mem.c | 2 + tools/mm/page-types.c | 1 + 32 files changed, 2598 insertions(+), 39 deletions(-) create mode 100644 Documentation/mm/dynamic_hugetlb.rst create mode 100644 include/linux/dynamic_pool.h create mode 100644 include/trace/events/dynamic_pool.h create mode 100644 mm/dynamic_pool.c -- 2.25.1

2 27

[PATCH OLK-5.10] drm/amd/display: Exit idle optimizations before attempt to access PHY
by Baogen Shang 12 Jan '24

12 Jan '24

From: Leo Chen <sancchen(a)amd.com> stable inclusion from stable-v5.10.205 commit 357badc01add6e98dd69c9831843da9cc3e905e9 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8AS5P CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=… ------------------------- [ Upstream commit de612738e9771bd66aeb20044486c457c512f684 ] [Why & How] DMUB may hang when powering down pixel clocks due to no dprefclk. It is fixed by exiting idle optimization before the attempt to access PHY. Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas(a)amd.com> Acked-by: Alex Hung <alex.hung(a)amd.com> Signed-off-by: Leo Chen <sancchen(a)amd.com> Tested-by: Daniel Wheeler <daniel.wheeler(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Baogen Shang <baogen.shang(a)windriver.com> --- drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index e33fe0207b9e..53e8defd3475 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1682,10 +1682,13 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context) hws->funcs.edp_backlight_control(edp_link_with_sink, false); } /*resume from S3, no vbios posting, no need to power down again*/ + clk_mgr_exit_optimized_pwr_state(dc, dc->clk_mgr); + power_down_all_hw_blocks(dc); disable_vga_and_power_gate_all_controllers(dc); if (edp_link_with_sink && !keep_edp_vdd_on) dc->hwss.edp_power_control(edp_link_with_sink, false); + clk_mgr_optimize_pwr_state(dc, dc->clk_mgr); } bios_set_scratch_acc_mode_change(dc->ctx->dc_bios); } -- 2.33.0

1 0

[PATCH OLK-6.6] kabi: mm: add kabi reserve for mm structure
by Kefeng Wang 12 Jan '24

12 Jan '24

hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8UU53 --------------------------- Reserve space for the structure in mm subsystem. Signed-off-by: Kefeng Wang <wangkefeng.wang(a)huawei.com> --- include/linux/mempolicy.h | 3 +++ include/linux/mempool.h | 4 ++++ include/linux/memremap.h | 9 +++++++++ include/linux/mm.h | 8 ++++++++ include/linux/mm_types.h | 11 +++++++++++ include/linux/mmzone.h | 14 ++++++++++++++ include/linux/pagemap.h | 4 ++++ include/linux/shrinker.h | 7 +++++++ include/linux/swap.h | 3 +++ 9 files changed, 63 insertions(+) diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h index ca62e945e4f7..2e81ac87e6f6 100644 --- a/include/linux/mempolicy.h +++ b/include/linux/mempolicy.h @@ -52,6 +52,9 @@ struct mempolicy { nodemask_t cpuset_mems_allowed; /* relative to these nodes */ nodemask_t user_nodemask; /* nodemask passed by user */ } w; + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) }; /* diff --git a/include/linux/mempool.h b/include/linux/mempool.h index 4aae6c06c5f2..178959b2ee5c 100644 --- a/include/linux/mempool.h +++ b/include/linux/mempool.h @@ -7,6 +7,7 @@ #include <linux/wait.h> #include <linux/compiler.h> +#include <linux/kabi.h> struct kmem_cache; @@ -23,6 +24,9 @@ typedef struct mempool_s { mempool_alloc_t *alloc; mempool_free_t *free; wait_queue_head_t wait; + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) } mempool_t; static inline bool mempool_initialized(mempool_t *pool) diff --git a/include/linux/memremap.h b/include/linux/memremap.h index 1314d9c5f05b..816532f7ae92 100644 --- a/include/linux/memremap.h +++ b/include/linux/memremap.h @@ -25,6 +25,8 @@ struct vmem_altmap { unsigned long free; unsigned long align; unsigned long alloc; + KABI_RESERVE(1) + KABI_RESERVE(2) }; /* @@ -99,6 +101,8 @@ struct dev_pagemap_ops { */ int (*memory_failure)(struct dev_pagemap *pgmap, unsigned long pfn, unsigned long nr_pages, int mf_flags); + KABI_RESERVE(1) + KABI_RESERVE(2) }; #define PGMAP_ALTMAP_VALID (1 << 0) @@ -133,6 +137,11 @@ struct dev_pagemap { const struct dev_pagemap_ops *ops; void *owner; int nr_range; + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) + KABI_RESERVE(5) union { struct range range; DECLARE_FLEX_ARRAY(struct range, ranges); diff --git a/include/linux/mm.h b/include/linux/mm.h index f078aa6b493c..ffd323dda7cf 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -30,6 +30,7 @@ #include <linux/kasan.h> #include <linux/memremap.h> #include <linux/slab.h> +#include <linux/kabi.h> struct mempolicy; struct anon_vma; @@ -562,6 +563,9 @@ struct vm_fault { * page table to avoid allocation from * atomic context. */ + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) }; /* @@ -641,6 +645,10 @@ struct vm_operations_struct { */ struct page *(*find_special_page)(struct vm_area_struct *vma, unsigned long addr); + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) }; #ifdef CONFIG_NUMA_BALANCING diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 0bc3c7c191a5..03a0a3e53986 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -22,6 +22,8 @@ #include <asm/mmu.h> +#include <linux/kabi.h> + #ifndef AT_VECTOR_SIZE_ARCH #define AT_VECTOR_SIZE_ARCH 0 #endif @@ -677,6 +679,10 @@ struct vm_area_struct { #ifdef CONFIG_SHARE_POOL struct sp_area *spa; #endif + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) } __randomize_layout; #ifdef CONFIG_SCHED_MM_CID @@ -939,6 +945,11 @@ struct mm_struct { #endif } __randomize_layout; + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) + KABI_RESERVE(5) /* * The mm_cpumask needs to be at the end of mm_struct, because it * is dynamically sized based on nr_cpu_ids. diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 57086c57b8e4..0821282fccd3 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -637,6 +637,10 @@ struct lruvec { #ifdef CONFIG_MEMCG struct pglist_data *pgdat; #endif + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) }; /* Isolate unmapped pages */ @@ -997,6 +1001,12 @@ struct zone { bool contiguous; CACHELINE_PADDING(_pad3_); + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) + /* Zone statistics */ atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; atomic_long_t vm_numa_event[NR_VM_NUMA_EVENT_ITEMS]; @@ -1410,6 +1420,10 @@ typedef struct pglist_data { CACHELINE_PADDING(_pad2_); + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + /* Per-node vmstats */ struct per_cpu_nodestat __percpu *per_cpu_nodestats; atomic_long_t vm_stat[NR_VM_NODE_STAT_ITEMS]; diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 8c9608b217b0..d418f1c563ee 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -15,6 +15,7 @@ #include <linux/bitops.h> #include <linux/hardirq.h> /* for in_interrupt() */ #include <linux/hugetlb_inline.h> +#include <linux/kabi.h> struct folio_batch; @@ -1262,6 +1263,9 @@ struct readahead_control { struct file *file; struct address_space *mapping; struct file_ra_state *ra; + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) /* private: use the readahead_* accessors instead */ pgoff_t _index; unsigned int _nr_pages; diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h index 224293b2dd06..335e7aa12fa5 100644 --- a/include/linux/shrinker.h +++ b/include/linux/shrinker.h @@ -4,6 +4,7 @@ #include <linux/atomic.h> #include <linux/types.h> +#include <linux/kabi.h> /* * This struct is used to pass information from page reclaim to the shrinkers. @@ -34,6 +35,9 @@ struct shrink_control { /* current memcg being shrunk (for memcg aware shrinkers) */ struct mem_cgroup *memcg; + + KABI_RESERVE(1) + KABI_RESERVE(2) }; #define SHRINK_STOP (~0UL) @@ -83,6 +87,9 @@ struct shrinker { #endif /* objs pending delete, per node */ atomic_long_t *nr_deferred; + + KABI_RESERVE(1) + KABI_RESERVE(2) }; #define DEFAULT_SEEKS 2 /* A good number if you don't know better. */ diff --git a/include/linux/swap.h b/include/linux/swap.h index 9dc160d6fd43..a0286656c231 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -334,6 +334,9 @@ struct swap_info_struct { */ struct work_struct discard_work; /* discard worker */ struct swap_cluster_list discard_clusters; /* discard clusters list */ + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) struct plist_node avail_lists[]; /* * entries in swap_avail_heads, one * entry per node. -- 2.27.0

2 1

[PATCH OLK-6.6 0/3] kabi reserve for gmem
by Wupeng Ma 12 Jan '24

12 Jan '24

From: Ma Wupeng <mawupeng1(a)huawei.com> Reserve kabi in preparation for gmem. Ma Wupeng (3): mm: gmem: kabi reserve for gmem mm: gmem: Introduce new node state N_HETEROGENEOUS openeuler_defconfig: enable CONFIG_GMEM by default arch/arm64/configs/openeuler_defconfig | 1 + arch/x86/configs/openeuler_defconfig | 1 + drivers/base/node.c | 6 ++++++ include/linux/device.h | 4 ++++ include/linux/mm.h | 8 ++++++++ include/linux/mm_types.h | 5 +++++ include/linux/nodemask.h | 3 +++ mm/Kconfig | 14 ++++++++++++++ mm/page_alloc.c | 3 +++ 9 files changed, 45 insertions(+) -- 2.25.1

4 6

[PATCH OLK-6.6] Revert "drm/prime: Unexport helpers for fd/handle conversion"
by Chen Haixiang 12 Jan '24

12 Jan '24

From: Felix Kuehling <Felix.Kuehling(a)amd.com> mainline inclusion from mainline-v6.7-rc4 commit 0514f63cfff38a0dcb7ba9c5f245827edc0c5107 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8VGWZ Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- Revert "drm/prime: Unexport helpers for fd/handle conversion" This reverts commit 71a7974ac7019afeec105a54447ae1dc7216cbb3. These helper functions are needed for KFD to export and import DMABufs the right way without duplicating the tracking of DMABufs associated with GEM objects while ensuring that move notifier callbacks are working as intended. CC: Christian König <christian.koenig(a)amd.com> CC: Thomas Zimmermann <tzimmermann(a)suse.de> Acked-by: Thomas Zimmermann <tzimmermann(a)suse.de> Acked-by: Daniel Vetter <daniel(a)ffwll.ch> Signed-off-by: Felix Kuehling <Felix.Kuehling(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> --- drivers/gpu/drm/drm_prime.c | 33 ++++++++++++++++++--------------- include/drm/drm_prime.h | 7 +++++++ 2 files changed, 25 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c index 63b709a67471..834a5e28abbe 100644 --- a/drivers/gpu/drm/drm_prime.c +++ b/drivers/gpu/drm/drm_prime.c @@ -278,7 +278,7 @@ void drm_gem_dmabuf_release(struct dma_buf *dma_buf) } EXPORT_SYMBOL(drm_gem_dmabuf_release); -/* +/** * drm_gem_prime_fd_to_handle - PRIME import function for GEM drivers * @dev: drm_device to import into * @file_priv: drm file-private structure @@ -292,9 +292,9 @@ EXPORT_SYMBOL(drm_gem_dmabuf_release); * * Returns 0 on success or a negative error code on failure. */ -static int drm_gem_prime_fd_to_handle(struct drm_device *dev, - struct drm_file *file_priv, int prime_fd, - uint32_t *handle) +int drm_gem_prime_fd_to_handle(struct drm_device *dev, + struct drm_file *file_priv, int prime_fd, + uint32_t *handle) { struct dma_buf *dma_buf; struct drm_gem_object *obj; @@ -360,6 +360,7 @@ static int drm_gem_prime_fd_to_handle(struct drm_device *dev, dma_buf_put(dma_buf); return ret; } +EXPORT_SYMBOL(drm_gem_prime_fd_to_handle); int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) @@ -408,7 +409,7 @@ static struct dma_buf *export_and_register_object(struct drm_device *dev, return dmabuf; } -/* +/** * drm_gem_prime_handle_to_fd - PRIME export function for GEM drivers * @dev: dev to export the buffer from * @file_priv: drm file-private structure @@ -421,10 +422,10 @@ static struct dma_buf *export_and_register_object(struct drm_device *dev, * The actual exporting from GEM object to a dma-buf is done through the * &drm_gem_object_funcs.export callback. */ -static int drm_gem_prime_handle_to_fd(struct drm_device *dev, - struct drm_file *file_priv, uint32_t handle, - uint32_t flags, - int *prime_fd) +int drm_gem_prime_handle_to_fd(struct drm_device *dev, + struct drm_file *file_priv, uint32_t handle, + uint32_t flags, + int *prime_fd) { struct drm_gem_object *obj; int ret = 0; @@ -506,6 +507,7 @@ static int drm_gem_prime_handle_to_fd(struct drm_device *dev, return ret; } +EXPORT_SYMBOL(drm_gem_prime_handle_to_fd); int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) @@ -864,9 +866,9 @@ EXPORT_SYMBOL(drm_prime_get_contiguous_size); * @obj: GEM object to export * @flags: flags like DRM_CLOEXEC and DRM_RDWR * - * This is the implementation of the &drm_gem_object_funcs.export functions - * for GEM drivers using the PRIME helpers. It is used as the default for - * drivers that do not set their own. + * This is the implementation of the &drm_gem_object_funcs.export functions for GEM drivers + * using the PRIME helpers. It is used as the default in + * drm_gem_prime_handle_to_fd(). */ struct dma_buf *drm_gem_prime_export(struct drm_gem_object *obj, int flags) @@ -962,9 +964,10 @@ EXPORT_SYMBOL(drm_gem_prime_import_dev); * @dev: drm_device to import into * @dma_buf: dma-buf object to import * - * This is the implementation of the gem_prime_import functions for GEM - * drivers using the PRIME helpers. It is the default for drivers that do - * not set their own &drm_driver.gem_prime_import. + * This is the implementation of the gem_prime_import functions for GEM drivers + * using the PRIME helpers. Drivers can use this as their + * &drm_driver.gem_prime_import implementation. It is used as the default + * implementation in drm_gem_prime_fd_to_handle(). * * Drivers must arrange to call drm_prime_gem_destroy() from their * &drm_gem_object_funcs.free hook when using this function. diff --git a/include/drm/drm_prime.h b/include/drm/drm_prime.h index a7abf9f3e697..2a1d01e5b56b 100644 --- a/include/drm/drm_prime.h +++ b/include/drm/drm_prime.h @@ -60,12 +60,19 @@ enum dma_data_direction; struct drm_device; struct drm_gem_object; +struct drm_file; /* core prime functions */ struct dma_buf *drm_gem_dmabuf_export(struct drm_device *dev, struct dma_buf_export_info *exp_info); void drm_gem_dmabuf_release(struct dma_buf *dma_buf); +int drm_gem_prime_fd_to_handle(struct drm_device *dev, + struct drm_file *file_priv, int prime_fd, uint32_t *handle); +int drm_gem_prime_handle_to_fd(struct drm_device *dev, + struct drm_file *file_priv, uint32_t handle, uint32_t flags, + int *prime_fd); + /* helper functions for exporting */ int drm_gem_map_attach(struct dma_buf *dma_buf, struct dma_buf_attachment *attach); -- 2.33.0

2 1

[PATCH OLK-6.6 1/1] Revert "drm/prime: Unexport helpers for fd/handle conversion"
by Chen Haixiang 12 Jan '24

12 Jan '24

From: Felix Kuehling <Felix.Kuehling(a)amd.com> mainline inclusion from mainline-v6.7-rc4 commit 0514f63cfff38a0dcb7ba9c5f245827edc0c5107 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8VGWZ Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- Revert "drm/prime: Unexport helpers for fd/handle conversion" This reverts commit 71a7974ac7019afeec105a54447ae1dc7216cbb3. These helper functions are needed for KFD to export and import DMABufs the right way without duplicating the tracking of DMABufs associated with GEM objects while ensuring that move notifier callbacks are working as intended. CC: Christian König <christian.koenig(a)amd.com> CC: Thomas Zimmermann <tzimmermann(a)suse.de> Acked-by: Thomas Zimmermann <tzimmermann(a)suse.de> Acked-by: Daniel Vetter <daniel(a)ffwll.ch> Signed-off-by: Felix Kuehling <Felix.Kuehling(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> --- drivers/gpu/drm/drm_prime.c | 33 ++++++++++++++++++--------------- include/drm/drm_prime.h | 7 +++++++ 2 files changed, 25 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c index 63b709a67471..834a5e28abbe 100644 --- a/drivers/gpu/drm/drm_prime.c +++ b/drivers/gpu/drm/drm_prime.c @@ -278,7 +278,7 @@ void drm_gem_dmabuf_release(struct dma_buf *dma_buf) } EXPORT_SYMBOL(drm_gem_dmabuf_release); -/* +/** * drm_gem_prime_fd_to_handle - PRIME import function for GEM drivers * @dev: drm_device to import into * @file_priv: drm file-private structure @@ -292,9 +292,9 @@ EXPORT_SYMBOL(drm_gem_dmabuf_release); * * Returns 0 on success or a negative error code on failure. */ -static int drm_gem_prime_fd_to_handle(struct drm_device *dev, - struct drm_file *file_priv, int prime_fd, - uint32_t *handle) +int drm_gem_prime_fd_to_handle(struct drm_device *dev, + struct drm_file *file_priv, int prime_fd, + uint32_t *handle) { struct dma_buf *dma_buf; struct drm_gem_object *obj; @@ -360,6 +360,7 @@ static int drm_gem_prime_fd_to_handle(struct drm_device *dev, dma_buf_put(dma_buf); return ret; } +EXPORT_SYMBOL(drm_gem_prime_fd_to_handle); int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) @@ -408,7 +409,7 @@ static struct dma_buf *export_and_register_object(struct drm_device *dev, return dmabuf; } -/* +/** * drm_gem_prime_handle_to_fd - PRIME export function for GEM drivers * @dev: dev to export the buffer from * @file_priv: drm file-private structure @@ -421,10 +422,10 @@ static struct dma_buf *export_and_register_object(struct drm_device *dev, * The actual exporting from GEM object to a dma-buf is done through the * &drm_gem_object_funcs.export callback. */ -static int drm_gem_prime_handle_to_fd(struct drm_device *dev, - struct drm_file *file_priv, uint32_t handle, - uint32_t flags, - int *prime_fd) +int drm_gem_prime_handle_to_fd(struct drm_device *dev, + struct drm_file *file_priv, uint32_t handle, + uint32_t flags, + int *prime_fd) { struct drm_gem_object *obj; int ret = 0; @@ -506,6 +507,7 @@ static int drm_gem_prime_handle_to_fd(struct drm_device *dev, return ret; } +EXPORT_SYMBOL(drm_gem_prime_handle_to_fd); int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) @@ -864,9 +866,9 @@ EXPORT_SYMBOL(drm_prime_get_contiguous_size); * @obj: GEM object to export * @flags: flags like DRM_CLOEXEC and DRM_RDWR * - * This is the implementation of the &drm_gem_object_funcs.export functions - * for GEM drivers using the PRIME helpers. It is used as the default for - * drivers that do not set their own. + * This is the implementation of the &drm_gem_object_funcs.export functions for GEM drivers + * using the PRIME helpers. It is used as the default in + * drm_gem_prime_handle_to_fd(). */ struct dma_buf *drm_gem_prime_export(struct drm_gem_object *obj, int flags) @@ -962,9 +964,10 @@ EXPORT_SYMBOL(drm_gem_prime_import_dev); * @dev: drm_device to import into * @dma_buf: dma-buf object to import * - * This is the implementation of the gem_prime_import functions for GEM - * drivers using the PRIME helpers. It is the default for drivers that do - * not set their own &drm_driver.gem_prime_import. + * This is the implementation of the gem_prime_import functions for GEM drivers + * using the PRIME helpers. Drivers can use this as their + * &drm_driver.gem_prime_import implementation. It is used as the default + * implementation in drm_gem_prime_fd_to_handle(). * * Drivers must arrange to call drm_prime_gem_destroy() from their * &drm_gem_object_funcs.free hook when using this function. diff --git a/include/drm/drm_prime.h b/include/drm/drm_prime.h index a7abf9f3e697..2a1d01e5b56b 100644 --- a/include/drm/drm_prime.h +++ b/include/drm/drm_prime.h @@ -60,12 +60,19 @@ enum dma_data_direction; struct drm_device; struct drm_gem_object; +struct drm_file; /* core prime functions */ struct dma_buf *drm_gem_dmabuf_export(struct drm_device *dev, struct dma_buf_export_info *exp_info); void drm_gem_dmabuf_release(struct dma_buf *dma_buf); +int drm_gem_prime_fd_to_handle(struct drm_device *dev, + struct drm_file *file_priv, int prime_fd, uint32_t *handle); +int drm_gem_prime_handle_to_fd(struct drm_device *dev, + struct drm_file *file_priv, uint32_t handle, uint32_t flags, + int *prime_fd); + /* helper functions for exporting */ int drm_gem_map_attach(struct dma_buf *dma_buf, struct dma_buf_attachment *attach); -- 2.33.0

2 1

[PATCH OLK-5.10] drm/amd/display: Exit idle optimizations before attempt to access PHY
by Baogen Shang 12 Jan '24

12 Jan '24

From: Leo Chen <sancchen(a)amd.com> stable inclusion from stable-v5.10.205 commit 357badc01add6e98dd69c9831843da9cc3e905e9 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8AS5P CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=… ------------------------- [ Upstream commit de612738e9771bd66aeb20044486c457c512f684 ] [Why & How] DMUB may hang when powering down pixel clocks due to no dprefclk. It is fixed by exiting idle optimization before the attempt to access PHY. Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas(a)amd.com> Acked-by: Alex Hung <alex.hung(a)amd.com> Signed-off-by: Leo Chen <sancchen(a)amd.com> Tested-by: Daniel Wheeler <daniel.wheeler(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Baogen Shang <baogen.shang(a)windriver.com> --- drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index e33fe0207b9e..53e8defd3475 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1682,10 +1682,13 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context) hws->funcs.edp_backlight_control(edp_link_with_sink, false); } /*resume from S3, no vbios posting, no need to power down again*/ + clk_mgr_exit_optimized_pwr_state(dc, dc->clk_mgr); + power_down_all_hw_blocks(dc); disable_vga_and_power_gate_all_controllers(dc); if (edp_link_with_sink && !keep_edp_vdd_on) dc->hwss.edp_power_control(edp_link_with_sink, false); + clk_mgr_optimize_pwr_state(dc, dc->clk_mgr); } bios_set_scratch_acc_mode_change(dc->ctx->dc_bios); } -- 2.33.0

1 0

[PATCH OLK-6.6 0/2] Export remaining aarch64 kvm exit reasons
by lishusen 12 Jan '24

12 Jan '24

Export remaining aarch64 kvm exit reasons to debugfs Zenghui Yu (1): KVM: arm64: Fix {fp_asimd,sve}_exit_stat manipulation chenjiajun (1): kvm: debugfs: export remaining aarch64 kvm exit reasons to debugfs C | 0 arch/arm64/include/asm/kvm_host.h | 15 +++++++++++++++ arch/arm64/kvm/handle_exit.c | 9 +++++++++ arch/arm64/kvm/hyp/include/hyp/switch.h | 2 ++ arch/arm64/kvm/mmu.c | 1 + arch/arm64/kvm/sys_regs.c | 11 +++++++++++ 6 files changed, 38 insertions(+) create mode 100644 C -- 2.33.0

2 3

[PATCH OLK-6.6 00/26] Introduce dynamic pool feature
by Liu Shixin 12 Jan '24

12 Jan '24

Rename from dynamic hugetlb(OLK_5.10) to dynamic pool. A per-memcg pagepool. The task in the memcg will prefer to alloc pages from corresponding pool. Liu Shixin (26): mm/memcg: introduce mem_cgroup_scan_cgroups to scan all memcgs mm/memcg: introduce memcg_has_children to check memcg mm/dynamic_pool: introduce per-memcg memory pool mm/dynamic_pool: introduce PG_dpool to mark free pages in dpool mm/dynamic_pool: introduce PG_pool to mark pages allocated from dpool mm/dynamic_pool: create dpool by dhugetlb.nr_pages interface mm/dynamic_pool: fill dpool with HugeTLB 1G pages mm/dynamic_pool: add interface to configure the count of hugepages mm/dynamic_pool: add restore_pool ops to reclaim memory and restore hugepages mm/dynamic_pool: support to flow pages between 1G and 2M pages pool mm/dynamic_pool: support to flow pages between 2M and 4K pages pool mm/dynamic_pool: migrate used pages before promote to huge page mm/dynamic_pool: call mem_cgroup_force_empty before restore pool mm/dynamic_pool: prevent task attach to another dpool mm/dynamic_pool: support page allocation from dpool mm/dynamic_pool: speed up allocation by percpu pages pool mm/dynamic_pool: check resv for HugeTLB allocation from dpool mm/dynamic_pool: support HugeTLB page allocation from dpool mm/dynamic_pool: add tracepoints for dpool mm/dynamic_pool: fill dpool with pagelist mm/dynamic_pool: disable THP for task attached with dpool mm/dynamic_pool: compatible with HugeTLB dissolve mm/dynamic_pool: compatible with HugeTLB Vmemmap mm/dynamic_pool: compatible with memory hwpoison mm/dynamic_hugetlb: add Document for dynamic hugetlb feature mm/dynamic_pool: enable CONFIG_DYNAMIC_POOL on x86_64 and arm64 by default Documentation/mm/dynamic_hugetlb.rst | 100 ++ arch/arm64/configs/openeuler_defconfig | 1 + arch/x86/configs/openeuler_defconfig | 1 + fs/hugetlbfs/inode.c | 5 + fs/proc/meminfo.c | 3 + fs/proc/page.c | 3 + include/linux/dynamic_pool.h | 225 ++++ include/linux/hugetlb.h | 11 + include/linux/memcontrol.h | 21 + include/linux/memory_hotplug.h | 5 + include/linux/mm.h | 1 + include/linux/page-flags.h | 22 + include/ras/ras_event.h | 1 + include/trace/events/dynamic_pool.h | 174 +++ include/trace/events/mmflags.h | 7 + include/uapi/linux/kernel-page-flags.h | 1 + kernel/cgroup/cgroup.c | 12 + mm/Kconfig | 9 + mm/Makefile | 1 + mm/dynamic_pool.c | 1722 ++++++++++++++++++++++++ mm/hugetlb.c | 103 +- mm/hugetlb_vmemmap.c | 4 + mm/internal.h | 6 + mm/khugepaged.c | 18 + mm/memcontrol.c | 119 +- mm/memory-failure.c | 16 +- mm/memory.c | 7 +- mm/memory_hotplug.c | 2 +- mm/page_alloc.c | 28 +- mm/shmem.c | 3 + mm/show_mem.c | 2 + tools/mm/page-types.c | 1 + 32 files changed, 2595 insertions(+), 39 deletions(-) create mode 100644 Documentation/mm/dynamic_hugetlb.rst create mode 100644 include/linux/dynamic_pool.h create mode 100644 include/trace/events/dynamic_pool.h create mode 100644 mm/dynamic_pool.c -- 2.25.1

2 27

[PATCH OLK-5.10] drm/radeon: possible buffer overflow
by Dapeng Yu 12 Jan '24

12 Jan '24

From: Konstantin Meskhidze <konstantin.meskhidze(a)huawei.com> stable inclusion from stable-v5.10.205 commit 7b063c93bece827fde237fae1c101bceeee4e896 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8AS5P CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=… ------------------------- [ Upstream commit dd05484f99d16715a88eedfca363828ef9a4c2d4 ] Buffer 'afmt_status' of size 6 could overflow, since index 'afmt_idx' is checked after access. Fixes: 5cc4e5fc293b ("drm/radeon: Cleanup HDMI audio interrupt handling for evergreen") Co-developed-by: Ivanov Mikhail <ivanov.mikhail1(a)huawei-partners.com> Signed-off-by: Konstantin Meskhidze <konstantin.meskhidze(a)huawei.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Baogen Shang <baogen.shang(a)windriver.com> --- drivers/gpu/drm/radeon/evergreen.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 11e3e99a9f01..96dbf595254c 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -4819,14 +4819,15 @@ int evergreen_irq_process(struct radeon_device *rdev) break; case 44: /* hdmi */ afmt_idx = src_data; - if (!(afmt_status[afmt_idx] & AFMT_AZ_FORMAT_WTRIG)) - DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); - if (afmt_idx > 5) { DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data); break; } + + if (!(afmt_status[afmt_idx] & AFMT_AZ_FORMAT_WTRIG)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + afmt_status[afmt_idx] &= ~AFMT_AZ_FORMAT_WTRIG; queue_hdmi = true; DRM_DEBUG("IH: HDMI%d\n", afmt_idx + 1); -- 2.33.0

2 1

[PATCH OLK-6.6 0/3] sync vgic-its from 5.10 to 6.6
by Jia Qingtong 12 Jan '24

12 Jan '24

sync vgic-its from 5.10 to 6.6 Heyi Guo (1): KVM: arm64: vgic-its: Flush pending LPIs when nuking DT Xiangyou Xie (2): KVM: arm/arm64: vgic-its: Introduce multiple LPI translation caches KVM: arm/arm64: vgic-its: Do not execute invalidate MSI-LPI translation cache on movi command arch/arm64/kvm/vgic/vgic-init.c | 8 +- arch/arm64/kvm/vgic/vgic-its.c | 255 +++++++++++++++++++++----------- include/kvm/arm_vgic.h | 13 +- 3 files changed, 183 insertions(+), 93 deletions(-) base-commit: ea6de9f6732d495c506f9c140b4ec17c957e1b77 -- 2.43.GIT

2 4

[PATCH OLK-6.6 0/3] sync vgic-its from 5.10 to 6.6
by Jia Qingtong 12 Jan '24

12 Jan '24

sync vgic-its from 5.10 to 6.6 Heyi Guo (1): KVM: arm64: vgic-its: Flush pending LPIs when nuking DT Xiangyou Xie (2): KVM: arm/arm64: vgic-its: Introduce multiple LPI translation caches KVM: arm/arm64: vgic-its: Do not execute invalidate MSI-LPI translation cache on movi command arch/arm64/kvm/vgic/vgic-init.c | 8 +- arch/arm64/kvm/vgic/vgic-its.c | 255 +++++++++++++++++++++----------- include/kvm/arm_vgic.h | 13 +- 3 files changed, 183 insertions(+), 93 deletions(-) base-commit: ea6de9f6732d495c506f9c140b4ec17c957e1b77 -- 2.43.GIT

2 4

[PATCH OLK-6.6 V5 00/12] sched: basic infrastructure for scheduler bpf
by Guan Jing 11 Jan '24

11 Jan '24

sched: basic infrastructure for scheduler bpf Guan Jing (12): sched: programmable: Introduce bpf sched sched: programmable: Add a tag for the task sched: programmable: Add a tag for the task group sched: programmable: Add user interface of task group tag sched: programmable: Add user interface of task tag sched: basic infrastructure for scheduler bpf sched: introduce bpf_sched_enable() libbpf: add support for scheduler bpf programs bpftool: recognize scheduler programs sched: programmable: Add hook in select_task_rq_fair() sched: programmable: Add hook in can_migrate_task() openeuler_defconfig: enable CONFIG_BPF_SCHED arch/arm64/configs/openeuler_defconfig | 1 + arch/x86/configs/openeuler_defconfig | 1 + fs/proc/base.c | 64 ++++++++++++++ include/linux/bpf_sched.h | 50 +++++++++++ include/linux/bpf_types.h | 4 + include/linux/sched.h | 27 ++++++ include/linux/sched_hook_defs.h | 4 + include/uapi/linux/bpf.h | 2 + init/init_task.c | 3 + kernel/bpf/Kconfig | 12 +++ kernel/bpf/btf.c | 1 + kernel/bpf/syscall.c | 27 ++++++ kernel/bpf/trampoline.c | 1 + kernel/bpf/verifier.c | 11 ++- kernel/sched/bpf_sched.c | 64 ++++++++++++++ kernel/sched/build_utility.c | 4 + kernel/sched/core.c | 118 +++++++++++++++++++++++++ kernel/sched/fair.c | 45 ++++++++++ kernel/sched/sched.h | 10 +++ scripts/bpf_doc.py | 2 + tools/include/uapi/linux/bpf.h | 2 + tools/lib/bpf/bpf.c | 1 + tools/lib/bpf/libbpf.c | 23 ++++- tools/lib/bpf/libbpf.h | 2 + tools/lib/bpf/libbpf.map | 1 + 25 files changed, 478 insertions(+), 2 deletions(-) create mode 100644 include/linux/bpf_sched.h create mode 100644 include/linux/sched_hook_defs.h create mode 100644 kernel/sched/bpf_sched.c -- 2.34.1

2 13

[PATCH OLK-6.6 0/3] kabi reserve for gmem
by Wupeng Ma 11 Jan '24

11 Jan '24

From: Ma Wupeng <mawupeng1(a)huawei.com> Reserve kabi in preparation for gmem. Ma Wupeng (3): mm: gmem: kabi reserve for gmem mm: gmem: Introduce new node state N_HETEROGENEOUS openeuler_defconfig: enable CONFIG_GMEM by default arch/arm64/configs/openeuler_defconfig | 1 + arch/x86/configs/openeuler_defconfig | 1 + drivers/base/node.c | 6 ++++++ include/linux/device.h | 4 ++++ include/linux/mm.h | 8 ++++++++ include/linux/mm_types.h | 5 +++++ include/linux/nodemask.h | 3 +++ mm/Kconfig | 14 ++++++++++++++ mm/page_alloc.c | 3 +++ 9 files changed, 45 insertions(+) -- 2.25.1

2 4

[PATCH OLK-6.6 00/11] Support feature pv-qspinlock and pv-sched
by lishusen 11 Jan '24

11 Jan '24

Support feature pv-qspinlock and pv-sched after pv.ops removed Zengruan Ye (10): KVM: arm64: Document PV-sched interface KVM: arm64: Implement PV_SCHED_FEATURES call KVM: arm64: Support pvsched preempted via shared structure KVM: arm64: Add interface to support vCPU preempted check KVM: arm64: Support the vCPU preemption check KVM: arm64: Add SMCCC PV-sched to kick cpu KVM: arm64: Implement PV_SCHED_KICK_CPU call KVM: arm64: Add interface to support PV qspinlock KVM: arm64: Enable PV qspinlock KVM: arm64: Add tracepoints for PV qspinlock lishusen (1): KVM: arm64: Replace pv.ops by static_call for PV qspinlock feature Documentation/virt/kvm/arm/pvsched.rst | 74 +++++++++ arch/arm64/Kconfig | 13 ++ arch/arm64/include/asm/Kbuild | 1 - arch/arm64/include/asm/kvm_host.h | 20 +++ arch/arm64/include/asm/paravirt.h | 44 +++++ arch/arm64/include/asm/pvsched-abi.h | 16 ++ arch/arm64/include/asm/qspinlock.h | 48 ++++++ arch/arm64/include/asm/qspinlock_paravirt.h | 12 ++ arch/arm64/include/asm/spinlock.h | 13 ++ arch/arm64/kernel/Makefile | 3 +- arch/arm64/kernel/paravirt-spinlocks.c | 21 +++ arch/arm64/kernel/paravirt.c | 174 ++++++++++++++++++++ arch/arm64/kernel/setup.c | 2 + arch/arm64/kernel/trace-paravirt.h | 66 ++++++++ arch/arm64/kvm/Makefile | 2 +- arch/arm64/kvm/arm.c | 13 +- arch/arm64/kvm/handle_exit.c | 1 + arch/arm64/kvm/hypercalls.c | 20 +++ arch/arm64/kvm/pvsched.c | 79 +++++++++ arch/arm64/kvm/trace_arm.h | 18 ++ include/linux/arm-smccc.h | 25 +++ include/linux/cpuhotplug.h | 1 + 22 files changed, 662 insertions(+), 4 deletions(-) create mode 100644 Documentation/virt/kvm/arm/pvsched.rst create mode 100644 arch/arm64/include/asm/pvsched-abi.h create mode 100644 arch/arm64/include/asm/qspinlock.h create mode 100644 arch/arm64/include/asm/qspinlock_paravirt.h create mode 100644 arch/arm64/kernel/paravirt-spinlocks.c create mode 100644 arch/arm64/kernel/trace-paravirt.h create mode 100644 arch/arm64/kvm/pvsched.c -- 2.33.0

2 12

[PATCH] Revert "drm/prime: Unexport helpers for fd/handle conversion"
by Chen Haixiang 11 Jan '24

11 Jan '24

From: Felix Kuehling <Felix.Kuehling(a)amd.com> This reverts commit 71a7974ac7019afeec105a54447ae1dc7216cbb3. These helper functions are needed for KFD to export and import DMABufs the right way without duplicating the tracking of DMABufs associated with GEM objects while ensuring that move notifier callbacks are working as intended. CC: Christian König <christian.koenig(a)amd.com> CC: Thomas Zimmermann <tzimmermann(a)suse.de> Acked-by: Thomas Zimmermann <tzimmermann(a)suse.de> Acked-by: Daniel Vetter <daniel(a)ffwll.ch> Signed-off-by: Felix Kuehling <Felix.Kuehling(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> --- drivers/gpu/drm/drm_prime.c | 33 ++++++++++++++++++--------------- include/drm/drm_prime.h | 7 +++++++ 2 files changed, 25 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c index 63b709a67471..834a5e28abbe 100644 --- a/drivers/gpu/drm/drm_prime.c +++ b/drivers/gpu/drm/drm_prime.c @@ -278,7 +278,7 @@ void drm_gem_dmabuf_release(struct dma_buf *dma_buf) } EXPORT_SYMBOL(drm_gem_dmabuf_release); -/* +/** * drm_gem_prime_fd_to_handle - PRIME import function for GEM drivers * @dev: drm_device to import into * @file_priv: drm file-private structure @@ -292,9 +292,9 @@ EXPORT_SYMBOL(drm_gem_dmabuf_release); * * Returns 0 on success or a negative error code on failure. */ -static int drm_gem_prime_fd_to_handle(struct drm_device *dev, - struct drm_file *file_priv, int prime_fd, - uint32_t *handle) +int drm_gem_prime_fd_to_handle(struct drm_device *dev, + struct drm_file *file_priv, int prime_fd, + uint32_t *handle) { struct dma_buf *dma_buf; struct drm_gem_object *obj; @@ -360,6 +360,7 @@ static int drm_gem_prime_fd_to_handle(struct drm_device *dev, dma_buf_put(dma_buf); return ret; } +EXPORT_SYMBOL(drm_gem_prime_fd_to_handle); int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) @@ -408,7 +409,7 @@ static struct dma_buf *export_and_register_object(struct drm_device *dev, return dmabuf; } -/* +/** * drm_gem_prime_handle_to_fd - PRIME export function for GEM drivers * @dev: dev to export the buffer from * @file_priv: drm file-private structure @@ -421,10 +422,10 @@ static struct dma_buf *export_and_register_object(struct drm_device *dev, * The actual exporting from GEM object to a dma-buf is done through the * &drm_gem_object_funcs.export callback. */ -static int drm_gem_prime_handle_to_fd(struct drm_device *dev, - struct drm_file *file_priv, uint32_t handle, - uint32_t flags, - int *prime_fd) +int drm_gem_prime_handle_to_fd(struct drm_device *dev, + struct drm_file *file_priv, uint32_t handle, + uint32_t flags, + int *prime_fd) { struct drm_gem_object *obj; int ret = 0; @@ -506,6 +507,7 @@ static int drm_gem_prime_handle_to_fd(struct drm_device *dev, return ret; } +EXPORT_SYMBOL(drm_gem_prime_handle_to_fd); int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) @@ -864,9 +866,9 @@ EXPORT_SYMBOL(drm_prime_get_contiguous_size); * @obj: GEM object to export * @flags: flags like DRM_CLOEXEC and DRM_RDWR * - * This is the implementation of the &drm_gem_object_funcs.export functions - * for GEM drivers using the PRIME helpers. It is used as the default for - * drivers that do not set their own. + * This is the implementation of the &drm_gem_object_funcs.export functions for GEM drivers + * using the PRIME helpers. It is used as the default in + * drm_gem_prime_handle_to_fd(). */ struct dma_buf *drm_gem_prime_export(struct drm_gem_object *obj, int flags) @@ -962,9 +964,10 @@ EXPORT_SYMBOL(drm_gem_prime_import_dev); * @dev: drm_device to import into * @dma_buf: dma-buf object to import * - * This is the implementation of the gem_prime_import functions for GEM - * drivers using the PRIME helpers. It is the default for drivers that do - * not set their own &drm_driver.gem_prime_import. + * This is the implementation of the gem_prime_import functions for GEM drivers + * using the PRIME helpers. Drivers can use this as their + * &drm_driver.gem_prime_import implementation. It is used as the default + * implementation in drm_gem_prime_fd_to_handle(). * * Drivers must arrange to call drm_prime_gem_destroy() from their * &drm_gem_object_funcs.free hook when using this function. diff --git a/include/drm/drm_prime.h b/include/drm/drm_prime.h index a7abf9f3e697..2a1d01e5b56b 100644 --- a/include/drm/drm_prime.h +++ b/include/drm/drm_prime.h @@ -60,12 +60,19 @@ enum dma_data_direction; struct drm_device; struct drm_gem_object; +struct drm_file; /* core prime functions */ struct dma_buf *drm_gem_dmabuf_export(struct drm_device *dev, struct dma_buf_export_info *exp_info); void drm_gem_dmabuf_release(struct dma_buf *dma_buf); +int drm_gem_prime_fd_to_handle(struct drm_device *dev, + struct drm_file *file_priv, int prime_fd, uint32_t *handle); +int drm_gem_prime_handle_to_fd(struct drm_device *dev, + struct drm_file *file_priv, uint32_t handle, uint32_t flags, + int *prime_fd); + /* helper functions for exporting */ int drm_gem_map_attach(struct dma_buf *dma_buf, struct dma_buf_attachment *attach); -- 2.33.0

1 0

[PATCH OLK-6.6 00/30] KVM/arm64: support vtimer/virt_dev irqbypass
by Dongxu Sun 11 Jan '24

11 Jan '24

Dongxu Sun (4): mbigen: vtimer: isolate mbigen vtimer funcs with macro mbigen: vtimer: disable vtimer mbigen probe when vtimer_irqbypass disabled mbigen: probe mbigen driver with arch_initcall KVM: arm64: update arm64 openeuler_defconfig for CONFIG_VIRT_PLAT_DEV Haibin Wang (2): KVM: arm64: arch_timer: Probe vtimer irqbypass capability KVM: arm64: arch_timer: Rework vcpu init/reset logic Kunkun Jiang (6): mbigen: vtimer mbigen driver support irqchip/gic-v4.1: Detect ITS vtimer interrupt bypass capability irqchip/gic-v4.1: Extend VSGI command to support the new vPPI mbigen: vtimer: add support for MBIX1_CPPI_NEGEDGE_CLR_EN_SETR(CLRR) KVM: arm64: vgic-v3: Clearing pending status of vtimer on guest reset mbigen: Sets the regs related to vtimer irqbypass Zenghui Yu (4): KVM: arm64: GICv4.1: Add direct injection capability to PPI registers KVM: arm64: GICv4.1: Allow non-trapping WFI when using direct vtimer interrupt KVM: arm64: vtimer: Expose HW-based vtimer interrupt in debugfs KVM: arm64: arch_timer: Make vtimer_irqbypass a Distributor attr wanghaibin (14): irqchip/gic-v4.1: Rework get/set_irqchip_state callbacks of GICv4.1-sgi chip irqchip/gic-v4.1: Rework its_alloc_vcpu_sgis() to support vPPI allocation irqchip/gic-v4.1: Probe vtimer irqbypass capability at RD level KVM: arm64: GICv4.1: Inform the HiSilicon vtimer irqbypass capability KVM: arm64: vgic: Add helper for vtimer vppi info register KVM: arm64: GICv4.1: Enable vtimer vPPI irqbypass config KVM: arm64: GICv4.1: Add support for MBIGEN save/restore irqchip/gic-v3-its: Introduce the reserved device ID pools irqchip/gic-v3-its: Alloc/Free device id from pools for virtual devices irqchip/gic-v3-its: Add virt platform devices MSI support virt_plat_dev: Register the virt platform device driver KVM: arm64: Introduce shadow device KVM: arm64: kire: irq routing entry cached the relevant cache data KVM: arm64: sdev: Support virq bypass by INT/VSYNC command arch/arm64/configs/openeuler_defconfig | 1 + arch/arm64/include/asm/kvm_emulate.h | 1 + arch/arm64/kvm/Makefile | 2 +- arch/arm64/kvm/arch_timer.c | 220 +++++++- arch/arm64/kvm/arm.c | 44 ++ arch/arm64/kvm/vgic/shadow_dev.c | 327 ++++++++++++ arch/arm64/kvm/vgic/vgic-debug.c | 2 +- arch/arm64/kvm/vgic/vgic-init.c | 6 + arch/arm64/kvm/vgic/vgic-irqfd.c | 39 ++ arch/arm64/kvm/vgic/vgic-mmio-v3.c | 13 + arch/arm64/kvm/vgic/vgic-mmio.c | 24 +- arch/arm64/kvm/vgic/vgic-v3.c | 7 + arch/arm64/kvm/vgic/vgic-v4.c | 57 ++ arch/arm64/kvm/vgic/vgic.c | 25 + arch/arm64/kvm/vgic/vgic.h | 11 + drivers/irqchip/irq-gic-v3-its-platform-msi.c | 39 +- drivers/irqchip/irq-gic-v3-its.c | 283 +++++++++- drivers/irqchip/irq-gic-v3.c | 37 +- drivers/irqchip/irq-gic-v4.c | 23 +- drivers/irqchip/irq-mbigen.c | 486 +++++++++++++++++- drivers/misc/Kconfig | 9 + drivers/misc/Makefile | 1 + drivers/misc/virt_plat_dev.c | 119 +++++ include/clocksource/arm_arch_timer.h | 33 ++ include/kvm/arm_arch_timer.h | 13 + include/kvm/arm_vgic.h | 62 +++ include/linux/irqchip/arm-gic-v3.h | 49 +- include/linux/irqchip/arm-gic-v4.h | 6 +- include/linux/irqchip/arm-vgic-info.h | 2 + include/linux/kvm_host.h | 9 + include/linux/msi.h | 2 + include/uapi/linux/kvm.h | 10 + virt/kvm/eventfd.c | 8 + 33 files changed, 1909 insertions(+), 61 deletions(-) create mode 100644 arch/arm64/kvm/vgic/shadow_dev.c create mode 100644 drivers/misc/virt_plat_dev.c -- 2.33.0

2 31

[PATCH OLK-6.6 v9 0/6] block: Add config to show info about opening a mounted device for write
by Li Lingfeng 11 Jan '24

11 Jan '24

v1->v2: 1) Replace BLK_DEV_DUMPINFO with BLK_DEV_WRITE_MOUNTED_QUIET, which is logically opposite; 2) Make BLK_DEV_WRITE_MOUNTED_QUIET dependent on BLK_DEV_WRITE_MOUNTED, and decide whether to set bd_writers by BLK_DEV_WRITE_MOUNTED_QUIET; 3) Move bdev_dump_info() into bdev_may_open(); 4) Add the cmdline interface to control whether to show info; 5) Pass the state of "writes blocked" to part0 when mounting a partition. v2->v3: Add restriction for modifying bd_writers. v3->v4: 1) Count bd_writers regardless of whether bdev_allow_write_mounted is set; 2) Expand the meaning of bdev_allow_write_mounted; 3) Add config option to detect writing to part0 while partitions mounted; 4) Add bd_mounters to record the number of times that part0 or partition is mounted; 5) Show info about opening a lower device for write while upper-layers mounted. v4->v5: Move introduction of bd_mounters to patch1. v5->v6: Delete redundant conflict judgment. v6->v7: 1) Replace BLK_DEV_WRITE_MOUNTED_QUIET with BLK_DEV_WRITE_MOUNTED_DUMP; 2) Remove restriction for setting bdev_allow_write_mounted by cmdline. v7->v8: 1) Add detection of mounting part0 while partitions write opened; 2) Add detection of writing partitions while part0 mounted; 3) Add config in openeuler_defconfig. v8->v9: 1) Split bd_mounters into bd_mounted and part_mounters; 2) Add part_writers; 3) Count part_writers and part_mounters regardless of whether BLK_DEV_DETECT_WRITING_PART0 is set. Li Lingfeng (6): block: Record writing and mounting regardless of whether bdev_allow_write_mounted is set block: Expand the meaning of bdev_allow_write_mounted block: Add config option to detect writing to part0 while partitions mounted block: Add config option to show info about opening a mounted device for write block: Show info about opening a lower device for write while upper-layers mounted add config about writing mounted devices in openeuler_defconfig arch/arm64/configs/openeuler_defconfig | 3 + arch/x86/configs/openeuler_defconfig | 3 + block/Kconfig | 17 ++++ block/bdev.c | 114 ++++++++++++++++++++----- include/linux/blk_types.h | 3 + include/linux/blkdev.h | 2 + 6 files changed, 123 insertions(+), 19 deletions(-) -- 2.31.1

2 7

[PATCH OLK-6.6 V4 00/12] sched: basic infrastructure for scheduler bpf
by Guan Jing 11 Jan '24

11 Jan '24

sched: basic infrastructure for scheduler bpf Guan Jing (12): sched: programmable: Introduce bpf sched sched: programmable: Add a tag for the task sched: programmable: Add a tag for the task group sched: programmable: Add user interface of task group tag sched: programmable: Add user interface of task tag sched: basic infrastructure for scheduler bpf sched: introduce bpf_sched_enable() libbpf: add support for scheduler bpf programs bpftool: recognize scheduler programs sched: programmable: Add hook in select_task_rq_fair() sched: programmable: Add hook in can_migrate_task() openeuler_defconfig: enable CONFIG_BPF_SCHED arch/arm64/configs/openeuler_defconfig | 1 + arch/x86/configs/openeuler_defconfig | 1 + fs/proc/base.c | 64 ++++++++++++++ include/linux/bpf_sched.h | 50 +++++++++++ include/linux/bpf_types.h | 4 + include/linux/sched.h | 28 ++++++ include/linux/sched_hook_defs.h | 4 + include/uapi/linux/bpf.h | 2 + init/init_task.c | 3 + kernel/bpf/Kconfig | 12 +++ kernel/bpf/btf.c | 1 + kernel/bpf/syscall.c | 27 ++++++ kernel/bpf/trampoline.c | 1 + kernel/bpf/verifier.c | 11 ++- kernel/sched/bpf_sched.c | 64 ++++++++++++++ kernel/sched/build_utility.c | 4 + kernel/sched/core.c | 118 +++++++++++++++++++++++++ kernel/sched/fair.c | 45 ++++++++++ kernel/sched/sched.h | 10 +++ scripts/bpf_doc.py | 2 + tools/include/uapi/linux/bpf.h | 2 + tools/lib/bpf/bpf.c | 1 + tools/lib/bpf/libbpf.c | 23 ++++- tools/lib/bpf/libbpf.h | 2 + tools/lib/bpf/libbpf.map | 1 + 25 files changed, 479 insertions(+), 2 deletions(-) create mode 100644 include/linux/bpf_sched.h create mode 100644 include/linux/sched_hook_defs.h create mode 100644 kernel/sched/bpf_sched.c -- 2.34.1

2 13

[PATCH OLK-6.6 000/124] arm_mpam: support mpam feature in OLK-6.6 repo
by Zeng Heng 11 Jan '24

11 Jan '24

Amit Singh Tomar (1): fs/resctrl: Remove the limit on the number of CLOSID Babu Moger (9): x86/resctrl: Add multiple tasks to the resctrl group at once x86/resctrl: Simplify rftype flag definitions x86/resctrl: Rename rftype flags for consistency x86/resctrl: Unwind properly from rdt_enable_ctx() x86/resctrl: Move default group file creation to mount x86/resctrl: Introduce "-o debug" mount option x86/resctrl: Display CLOSID for resource group x86/resctrl: Add support for the files of MON groups only x86/resctrl: Display RMID of resource group Fenghua Yu (1): x86/resctrl: Add sparse_masks file in info James Morse (104): tick/nohz: Move tick_nohz_full_mask declaration outside the #ifdef x86/resctrl: kfree() rmid_ptrs from resctrl_exit() x86/resctrl: Create helper for RMID allocation and mondata dir creation x86/resctrl: Move rmid allocation out of mkdir_rdt_prepare() x86/resctrl: Track the closid with the rmid x86/resctrl: Access per-rmid structures by index x86/resctrl: Allow RMID allocation to be scoped by CLOSID x86/resctrl: Track the number of dirty RMID a CLOSID has x86/resctrl: Use __set_bit()/__clear_bit() instead of open coding x86/resctrl: Allocate the cleanest CLOSID by searching closid_num_dirty_rmid x86/resctrl: Move CLOSID/RMID matching and setting to use helpers x86/resctrl: Add cpumask_any_housekeeping() for limbo/overflow x86/resctrl: Queue mon_event_read() instead of sending an IPI x86/resctrl: Allow resctrl_arch_rmid_read() to sleep x86/resctrl: Allow arch to allocate memory needed in resctrl_arch_rmid_read() x86/resctrl: Make resctrl_mounted checks explicit x86/resctrl: Move alloc/mon static keys into helpers x86/resctrl: Make rdt_enable_key the arch's decision to switch x86/resctrl: Add helpers for system wide mon/alloc capable x86/resctrl: Add CPU online callback for resctrl work x86/resctrl: Allow overflow/limbo handlers to be scheduled on any-but cpu x86/resctrl: Add CPU offline callback for resctrl work x86/resctrl: Move domain helper migration into resctrl_offline_cpu() x86/resctrl: Separate arch and fs resctrl locks x86/resctrl: Add a helper to avoid reaching into the arch code resource list x86/resctrl: Move ctrlval string parsing links away from the arch code x86/resctrl: Add helper for setting CPU default properties x86/resctrl: Remove rdtgroup from update_cpu_closid_rmid() x86/resctrl: Export resctrl fs's init function x86/resctrl: Wrap resctrl_arch_find_domain() around rdt_find_domain() x86/resctrl: Move resctrl types to a separate header x86/resctrl: Add a resctrl helper to reset all the resources x86/resctrl: Move monitor init work to a resctrl init call x86/resctrl: Move monitor exit work to a restrl exit call x86/resctrl: Move max_{name,data}_width into resctrl code x86/resctrl: Stop using the for_each_*_rdt_resource() walkers x86/resctrl: Export the is_mbm_*_enabled() helpers to asm/resctrl.h x86/resctrl: Add resctrl_arch_is_evt_configurable() to abstract BMEC x86/resctrl: Change mon_event_config_{read,write}() to be arch helpers x86/resctrl: Allow resctrl_arch_mon_event_config_write() to return an error x86/resctrl: Allow an architecture to disable pseudo lock x86/resctrl: Make prefetch_disable_bits belong to the arch code x86/resctrl: Make resctrl_arch_pseudo_lock_fn() take a plr x86/resctrl: Move thread_throttle_mode_init() to be managed by resctrl x86/resctrl: Move get_config_index() to a header x86/resctrl: Claim get_domain_from_cpu() for resctrl x86/resctrl: Describe resctrl's bitmap size assumptions x86/resctrl: Drop __init/__exit on assorted symbols fs/resctrl: Add boiler plate for external resctrl code x86/resctrl: Move the filesystem bits to headers visible to fs/resctrl x86/resctrl: Move the filesystem portions of resctrl to live in '/fs/' arm64: head.S: Initialise MPAM EL2 registers and disable traps arm64: cpufeature: discover CPU support for MPAM KVM: arm64: Fix missing traps of guest accesses to the MPAM registers KVM: arm64: Disable MPAM visibility by default, and handle traps arm64: mpam: Context switch the MPAM registers untested: KVM: arm64: Force guest EL1 to use user-space's partid configuration ACPI / PPTT: Provide a helper to walk processor containers ACPI / PPTT: Find PPTT cache level by ID ACPI / PPTT: Add a helper to fill a cpumask from a processor container ACPI / PPTT: Add a helper to fill a cpumask from a cache_id cacheinfo: Expose the code to generate a cache-id from a device_node drivers: base: cacheinfo: Add helper to find the cache size from cpu+level ACPI / MPAM: Parse the MPAM table arm_mpam: Add probe/remove for mpam msc driver and kbuild boiler plate arm_mpam: Add the class and component structures for ris firmware described arm_mpam: Add MPAM MSC register layout definitions arm_mpam: Add cpuhp callbacks to probe MSC hardware arm_mpam: Probe MSCs to find the supported partid/pmg values arm_mpam: Probe the hardware features resctrl supports arm_mpam: Merge supported features during mpam_enable() into mpam_class arm_mpam: Reset MSC controls from cpu hp callbacks arm_mpam: Add a helper to touch an MSC from any CPU arm_mpam: Extend reset logic to allow devices to be reset any time arm_mpam: Register and enable IRQs arm_mpam: Use the arch static key to indicate when mpam is enabled arm_mpam: Allow configuration to be applied and restored during cpu online arm_mpam: Probe and reset the rest of the features arm_mpam: Add helpers to allocate monitors arm_mpam: Add mpam_msmon_read() to read monitor value arm_mpam: Track bandwidth counter state for overflow and power management arm_mpam: Add helper to reset saved mbwu state arm_mpam: resctrl: Add boilerplate cpuhp and domain allocation arm_mpam: resctrl: Pick the caches we will use as resctrl resources arm_mpam: resctrl: Pick a value for num_rmid arm_mpam: resctrl: Implement resctrl_arch_reset_resources() arm_mpam: resctrl: Add resctrl_arch_get_config() arm_mpam: resctrl: Implement helpers to update configuration arm_mpam: resctrl: Add CDP emulation arm64: mpam: Add helpers to change a tasks and cpu mpam partid/pmg values arm_mpam: resctrl: Add rmid index helpers untested: arm_mpam: resctrl: Add support for MB resource untested: arm_mpam: resctrl: Add support for mbm counters arm_mpam: resctrl: Allow resctrl to allocate monitors arm_mpam: resctrl: Add resctrl_arch_rmid_read() and resctrl_arch_reset_rmid() untested: arm_mpam: resctrl: Allow monitors to be configured arm_mpam: resctrl: Add empty definitions for pseudo lock arm_mpam: resctrl: Add empty definitions for fine-grained enables arm_mpam: resctrl: Add dummy definition for free running counters arm64: mpam: Select ARCH_HAS_CPU_RESCTRL perf/arm-cmn: Stop claiming all the resources arm_mpam: resctrl: Tell resctrl about cpu/domain online/offline arm_mpam: resctrl: Call resctrl_exit() in the event of errors arm_mpam: resctrl: Update the rmid reallocation limit Maciej Wieczor-Retman (3): x86/resctrl: Fix remaining kernel-doc warnings x86/resctrl: Rename arch_has_sparse_bitmaps x86/resctrl: Enable non-contiguous CBMs in Intel CAT Rob Herring (3): cacheinfo: Allow for >32-bit cache 'id' cacheinfo: Set cache 'id' based on DT data dt-bindings: arm: Add MPAM MSC binding Rohit Mathew (2): arm_mpam: Probe for long/lwd mbwu counters arm_mpam: Use long MBWU counters if supported Zeng Heng (1): arm_mpam: control memory bandwidth with hard limit flag .../arch/arm64/cpu-feature-registers.rst | 2 + Documentation/arch/x86/resctrl.rst | 22 +- .../devicetree/bindings/arm/arm,mpam-msc.yaml | 227 + MAINTAINERS | 2 + arch/Kconfig | 8 + arch/arm64/Kconfig | 22 +- arch/arm64/include/asm/cpu.h | 1 + arch/arm64/include/asm/cpufeature.h | 13 + arch/arm64/include/asm/el2_setup.h | 16 + arch/arm64/include/asm/kvm_arm.h | 1 + arch/arm64/include/asm/mpam.h | 167 + arch/arm64/include/asm/resctrl.h | 1 + arch/arm64/include/asm/sysreg.h | 8 + arch/arm64/include/asm/thread_info.h | 3 + arch/arm64/kernel/Makefile | 1 + arch/arm64/kernel/cpufeature.c | 68 + arch/arm64/kernel/cpuinfo.c | 4 + arch/arm64/kernel/image-vars.h | 5 + arch/arm64/kernel/mpam.c | 23 + arch/arm64/kernel/process.c | 7 + arch/arm64/kvm/hyp/include/hyp/switch.h | 32 + arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h | 27 + arch/arm64/kvm/hyp/nvhe/switch.c | 11 + arch/arm64/kvm/hyp/vhe/sysreg-sr.c | 1 + arch/arm64/kvm/sys_regs.c | 70 +- arch/arm64/tools/cpucaps | 1 + arch/arm64/tools/sysreg | 33 + arch/x86/Kconfig | 5 +- arch/x86/include/asm/resctrl.h | 131 +- arch/x86/kernel/cpu/resctrl/core.c | 212 +- arch/x86/kernel/cpu/resctrl/ctrlmondata.c | 476 +- arch/x86/kernel/cpu/resctrl/internal.h | 394 +- arch/x86/kernel/cpu/resctrl/monitor.c | 594 +-- arch/x86/kernel/cpu/resctrl/pseudo_lock.c | 1123 +---- arch/x86/kernel/cpu/resctrl/rdtgroup.c | 3916 +--------------- drivers/acpi/arm64/Kconfig | 3 + drivers/acpi/arm64/Makefile | 2 + drivers/acpi/arm64/mpam.c | 369 ++ drivers/acpi/pptt.c | 278 +- drivers/acpi/tables.c | 2 +- drivers/base/cacheinfo.c | 41 +- drivers/perf/arm-cmn.c | 12 +- drivers/platform/Kconfig | 2 + drivers/platform/Makefile | 1 + drivers/platform/mpam/Kconfig | 8 + drivers/platform/mpam/Makefile | 1 + drivers/platform/mpam/mpam_devices.c | 2422 ++++++++++ drivers/platform/mpam/mpam_internal.h | 576 +++ drivers/platform/mpam/mpam_resctrl.c | 1209 +++++ fs/Kconfig | 1 + fs/Makefile | 1 + fs/resctrl/Kconfig | 23 + fs/resctrl/Makefile | 1 + fs/resctrl/ctrlmondata.c | 528 +++ fs/resctrl/internal.h | 313 ++ fs/resctrl/monitor.c | 859 ++++ fs/resctrl/psuedo_lock.c | 1134 +++++ fs/resctrl/rdtgroup.c | 4015 +++++++++++++++++ include/linux/acpi.h | 17 + include/linux/arm_mpam.h | 105 + include/linux/cacheinfo.h | 30 +- include/linux/resctrl.h | 203 +- include/linux/resctrl_types.h | 98 + include/linux/tick.h | 9 +- 64 files changed, 13418 insertions(+), 6472 deletions(-) create mode 100644 Documentation/devicetree/bindings/arm/arm,mpam-msc.yaml create mode 100644 arch/arm64/include/asm/mpam.h create mode 100644 arch/arm64/include/asm/resctrl.h create mode 100644 arch/arm64/kernel/mpam.c create mode 100644 drivers/acpi/arm64/mpam.c create mode 100644 drivers/platform/mpam/Kconfig create mode 100644 drivers/platform/mpam/Makefile create mode 100644 drivers/platform/mpam/mpam_devices.c create mode 100644 drivers/platform/mpam/mpam_internal.h create mode 100644 drivers/platform/mpam/mpam_resctrl.c create mode 100644 fs/resctrl/Kconfig create mode 100644 fs/resctrl/Makefile create mode 100644 fs/resctrl/ctrlmondata.c create mode 100644 fs/resctrl/internal.h create mode 100644 fs/resctrl/monitor.c create mode 100644 fs/resctrl/psuedo_lock.c create mode 100644 fs/resctrl/rdtgroup.c create mode 100644 include/linux/arm_mpam.h create mode 100644 include/linux/resctrl_types.h -- 2.25.1

2 125

[PATCH OLK-5.10] drm/radeon: possible buffer overflow
by Baogen Shang 11 Jan '24

11 Jan '24

From: Konstantin Meskhidze <konstantin.meskhidze(a)huawei.com> stable inclusion from stable-v5.10.205 commit 7b063c93bece827fde237fae1c101bceeee4e896 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8AS5P CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=… ------------------------- [ Upstream commit dd05484f99d16715a88eedfca363828ef9a4c2d4 ] Buffer 'afmt_status' of size 6 could overflow, since index 'afmt_idx' is checked after access. Fixes: 5cc4e5fc293b ("drm/radeon: Cleanup HDMI audio interrupt handling for evergreen") Co-developed-by: Ivanov Mikhail <ivanov.mikhail1(a)huawei-partners.com> Signed-off-by: Konstantin Meskhidze <konstantin.meskhidze(a)huawei.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Baogen Shang <baogen.shang(a)windriver.com> --- drivers/gpu/drm/radeon/evergreen.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 11e3e99a9f01..96dbf595254c 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -4819,14 +4819,15 @@ int evergreen_irq_process(struct radeon_device *rdev) break; case 44: /* hdmi */ afmt_idx = src_data; - if (!(afmt_status[afmt_idx] & AFMT_AZ_FORMAT_WTRIG)) - DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); - if (afmt_idx > 5) { DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data); break; } + + if (!(afmt_status[afmt_idx] & AFMT_AZ_FORMAT_WTRIG)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + afmt_status[afmt_idx] &= ~AFMT_AZ_FORMAT_WTRIG; queue_hdmi = true; DRM_DEBUG("IH: HDMI%d\n", afmt_idx + 1); -- 2.33.0

1 0

[PATCH openEuler-1.0-LTS v2] time: Handle negative seconds correctly in timespec64_to_ns()
by liwei 11 Jan '24

11 Jan '24

From: Lukas Hannen <lukas.hannen(a)opensource.tttech-industrial.com> mainline inclusion from mainline-v5.15-rc1 commit 39ff83f2f6cc5cc1458dfcea9697f96338210beb category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8MCB5 CVE: NA --------------------------- timespec64_ns() prevents multiplication overflows by comparing the seconds value of the timespec to KTIME_SEC_MAX. If the value is greater or equal it returns KTIME_MAX. But that check casts the signed seconds value to unsigned which makes the comparision true for all negative values and therefore return wrongly KTIME_MAX. Negative second values are perfectly valid and required in some places, e.g. ptp_clock_adjtime(). Remove the cast and add a check for the negative boundary which is required to prevent undefined behaviour due to multiplication underflow. Fixes: cb47755725da ("time: Prevent undefined behaviour in timespec64_to_ns()")' Signed-off-by: Lukas Hannen <lukas.hannen(a)opensource.tttech-industrial.com> Signed-off-by: Thomas Gleixner <tglx(a)linutronix.de> Cc: stable(a)vger.kernel.org Link: https://lore.kernel.org/r/AM6PR01MB541637BD6F336B8FFB72AF80EEC69@AM6PR01MB5… Signed-off-by: liwei <liwei728(a)huawei.com> --- include/linux/time64.h | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/include/linux/time64.h b/include/linux/time64.h index e58f59674ad6..681c2e34034a 100644 --- a/include/linux/time64.h +++ b/include/linux/time64.h @@ -39,7 +39,9 @@ struct itimerspec64 { /* Located here for timespec[64]_valid_strict */ #define TIME64_MAX ((s64)~((u64)1 << 63)) #define KTIME_MAX ((s64)~((u64)1 << 63)) +#define KTIME_MIN (-KTIME_MAX - 1) #define KTIME_SEC_MAX (KTIME_MAX / NSEC_PER_SEC) +#define KTIME_SEC_MIN (KTIME_MIN / NSEC_PER_SEC) /* * Limits for settimeofday(): @@ -140,10 +142,13 @@ static inline bool timespec64_valid_settod(const struct timespec64 *ts) */ static inline s64 timespec64_to_ns(const struct timespec64 *ts) { - /* Prevent multiplication overflow */ - if ((unsigned long long)ts->tv_sec >= KTIME_SEC_MAX) + /* Prevent multiplication overflow / underflow */ + if (ts->tv_sec >= KTIME_SEC_MAX) return KTIME_MAX; + if (ts->tv_sec <= KTIME_SEC_MIN) + return KTIME_MIN; + return ((s64) ts->tv_sec * NSEC_PER_SEC) + ts->tv_nsec; } -- 2.25.1

2 1

[PATCH openEuler-1.0-LTS v2] timerqueue: Use rb_entry_safe() in timerqueue_getnext()
by liwei 11 Jan '24

11 Jan '24

From: Barnabás Pőcze <pobrn(a)protonmail.com> mainline inclusion from mainline-v6.2-rc1 commit 2f117484329b233455ee278f2d9b0a4356835060 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8MCB5 CVE: NA --------------------------- When `timerqueue_getnext()` is called on an empty timer queue, it will use `rb_entry()` on a NULL pointer, which is invalid. Fix that by using `rb_entry_safe()` which handles NULL pointers. This has not caused any issues so far because the offset of the `rb_node` member in `timerqueue_node` is 0, so `rb_entry()` is essentially a no-op. Fixes: 511885d7061e ("lib/timerqueue: Rely on rbtree semantics for next timer") Signed-off-by: Barnabás Pőcze <pobrn(a)protonmail.com> Signed-off-by: Thomas Gleixner <tglx(a)linutronix.de> Link: https://lore.kernel.org/r/20221114195421.342929-1-pobrn@protonmail.com Signed-off-by: liwei <liwei728(a)huawei.com> --- include/linux/timerqueue.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/timerqueue.h b/include/linux/timerqueue.h index f71c1ce1421f..bcc0afc62522 100644 --- a/include/linux/timerqueue.h +++ b/include/linux/timerqueue.h @@ -40,7 +40,7 @@ struct timerqueue_node *timerqueue_getnext(struct timerqueue_head *head) { struct rb_node *leftmost = rb_first_cached(&head->rb_root); - return rb_entry(leftmost, struct timerqueue_node, node); + return rb_entry_safe(leftmost, struct timerqueue_node, node); } static inline void timerqueue_init(struct timerqueue_node *node) -- 2.25.1

2 1

[PATCH openEuler-1.0-LTS v2] efi/x86: Map the entire EFI vendor string before copying it
by liwei 11 Jan '24

11 Jan '24

From: Ard Biesheuvel <ardb(a)kernel.org> mainline inclusion from mainline-v5.6-rc1 commit ffc2760bcf2dba0dbef74013ed73eea8310cc52c category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8MCB5 CVE: NA --------------------------- Fix a couple of issues with the way we map and copy the vendor string: - we map only 2 bytes, which usually works since you get at least a page, but if the vendor string happens to cross a page boundary, a crash will result - only call early_memunmap() if early_memremap() succeeded, or we will call it with a NULL address which it doesn't like, - while at it, switch to early_memremap_ro(), and array indexing rather than pointer dereferencing to read the CHAR16 characters. Signed-off-by: Ard Biesheuvel <ardb(a)kernel.org> Cc: Andy Lutomirski <luto(a)kernel.org> Cc: Ard Biesheuvel <ard.biesheuvel(a)linaro.org> Cc: Arvind Sankar <nivedita(a)alum.mit.edu> Cc: Matthew Garrett <mjg59(a)google.com> Cc: linux-efi(a)vger.kernel.org Fixes: 5b83683f32b1 ("x86: EFI runtime service support") Link: https://lkml.kernel.org/r/20200103113953.9571-5-ardb@kernel.org Signed-off-by: Ingo Molnar <mingo(a)kernel.org> Signed-off-by: liwei <liwei728(a)huawei.com> --- arch/x86/platform/efi/efi.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index b8cb57edd424..d8f295926485 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -446,7 +446,6 @@ void __init efi_init(void) efi_char16_t *c16; char vendor[100] = "unknown"; int i = 0; - void *tmp; #ifdef CONFIG_X86_32 if (boot_params.efi_info.efi_systab_hi || @@ -471,14 +470,16 @@ void __init efi_init(void) /* * Show what we know for posterity */ - c16 = tmp = early_memremap(efi.systab->fw_vendor, 2); + c16 = early_memremap_ro(efi.systab->fw_vendor, + sizeof(vendor) * sizeof(efi_char16_t)); if (c16) { - for (i = 0; i < sizeof(vendor) - 1 && *c16; ++i) - vendor[i] = *c16++; + for (i = 0; i < sizeof(vendor) - 1 && c16[i]; ++i) + vendor[i] = c16[i]; vendor[i] = '\0'; - } else + early_memunmap(c16, sizeof(vendor) * sizeof(efi_char16_t)); + } else { pr_err("Could not map the firmware vendor!\n"); - early_memunmap(tmp, 2); + } pr_info("EFI v%u.%.02u by %s\n", efi.systab->hdr.revision >> 16, -- 2.25.1

2 1

[PATCH OLK-5.10] drm/radeon: possible buffer overflow
by Baogen Shang 11 Jan '24

11 Jan '24

From: Konstantin Meskhidze <konstantin.meskhidze(a)huawei.com> stable inclusion from stable-v5.10.205 commit 7b063c93bece827fde237fae1c101bceeee4e896 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8AS5P CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=… ------------------------- [ Upstream commit dd05484f99d16715a88eedfca363828ef9a4c2d4 ] Buffer 'afmt_status' of size 6 could overflow, since index 'afmt_idx' is checked after access. Fixes: 5cc4e5fc293b ("drm/radeon: Cleanup HDMI audio interrupt handling for evergreen") Co-developed-by: Ivanov Mikhail <ivanov.mikhail1(a)huawei-partners.com> Signed-off-by: Konstantin Meskhidze <konstantin.meskhidze(a)huawei.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Baogen Shang <baogen.shang(a)windriver.com> --- drivers/gpu/drm/radeon/evergreen.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 11e3e99a9f01..96dbf595254c 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -4819,14 +4819,15 @@ int evergreen_irq_process(struct radeon_device *rdev) break; case 44: /* hdmi */ afmt_idx = src_data; - if (!(afmt_status[afmt_idx] & AFMT_AZ_FORMAT_WTRIG)) - DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); - if (afmt_idx > 5) { DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data); break; } + + if (!(afmt_status[afmt_idx] & AFMT_AZ_FORMAT_WTRIG)) + DRM_DEBUG("IH: IH event w/o asserted irq bit?\n"); + afmt_status[afmt_idx] &= ~AFMT_AZ_FORMAT_WTRIG; queue_hdmi = true; DRM_DEBUG("IH: HDMI%d\n", afmt_idx + 1); -- 2.33.0

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[PATCH openEuler-1.0-LTS] efi/x86: Map the entire EFI vendor string before copying it
by liwei 11 Jan '24

11 Jan '24

From: Ard Biesheuvel <ardb(a)kernel.org> mainline inclusion form mainline-v5.6-rc1 commit ffc2760bcf2dba0dbef74013ed73eea8310cc52c category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8MCB5 CVE: NA ---------------------------------- Fix a couple of issues with the way we map and copy the vendor string: - we map only 2 bytes, which usually works since you get at least a page, but if the vendor string happens to cross a page boundary, a crash will result - only call early_memunmap() if early_memremap() succeeded, or we will call it with a NULL address which it doesn't like, - while at it, switch to early_memremap_ro(), and array indexing rather than pointer dereferencing to read the CHAR16 characters. Signed-off-by: Ard Biesheuvel <ardb(a)kernel.org> Cc: Andy Lutomirski <luto(a)kernel.org> Cc: Ard Biesheuvel <ard.biesheuvel(a)linaro.org> Cc: Arvind Sankar <nivedita(a)alum.mit.edu> Cc: Matthew Garrett <mjg59(a)google.com> Cc: linux-efi(a)vger.kernel.org Fixes: 5b83683f32b1 ("x86: EFI runtime service support") Link: https://lkml.kernel.org/r/20200103113953.9571-5-ardb@kernel.org Signed-off-by: Ingo Molnar <mingo(a)kernel.org> Signed-off-by: liwei <liwei728(a)huawei.com> --- arch/x86/platform/efi/efi.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index b8cb57edd424..d8f295926485 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -446,7 +446,6 @@ void __init efi_init(void) efi_char16_t *c16; char vendor[100] = "unknown"; int i = 0; - void *tmp; #ifdef CONFIG_X86_32 if (boot_params.efi_info.efi_systab_hi || @@ -471,14 +470,16 @@ void __init efi_init(void) /* * Show what we know for posterity */ - c16 = tmp = early_memremap(efi.systab->fw_vendor, 2); + c16 = early_memremap_ro(efi.systab->fw_vendor, + sizeof(vendor) * sizeof(efi_char16_t)); if (c16) { - for (i = 0; i < sizeof(vendor) - 1 && *c16; ++i) - vendor[i] = *c16++; + for (i = 0; i < sizeof(vendor) - 1 && c16[i]; ++i) + vendor[i] = c16[i]; vendor[i] = '\0'; - } else + early_memunmap(c16, sizeof(vendor) * sizeof(efi_char16_t)); + } else { pr_err("Could not map the firmware vendor!\n"); - early_memunmap(tmp, 2); + } pr_info("EFI v%u.%.02u by %s\n", efi.systab->hdr.revision >> 16, -- 2.25.1

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