- Kernel - mailweb.openeuler.org

[PATCH OLK-6.6] x86: config: disable network config
by Zhengchao Shao 09 Jan '24

09 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 | 34 ++++++++++++++-------------- 1 file changed, 17 insertions(+), 17 deletions(-) diff --git a/arch/x86/configs/openeuler_defconfig b/arch/x86/configs/openeuler_defconfig index 1ef398404878..dd7a8a3bca0f 100644 --- a/arch/x86/configs/openeuler_defconfig +++ b/arch/x86/configs/openeuler_defconfig @@ -1860,7 +1860,7 @@ 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 @@ -1876,7 +1876,7 @@ 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 @@ -2788,7 +2788,7 @@ 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 @@ -2836,7 +2836,7 @@ 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 @@ -2851,10 +2851,10 @@ 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 @@ -2882,14 +2882,14 @@ 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 @@ -2924,7 +2924,7 @@ 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 @@ -2938,7 +2938,7 @@ 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 @@ -2995,10 +2995,10 @@ 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 @@ -3325,7 +3325,7 @@ 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 @@ -3382,7 +3382,7 @@ 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 @@ -8225,7 +8225,7 @@ CONFIG_SUNRPC=m CONFIG_SUNRPC_GSS=m CONFIG_SUNRPC_BACKCHANNEL=y CONFIG_RPCSEC_GSS_KRB5=m -CONFIG_RPCSEC_GSS_KRB5_ENCTYPES_AES_SHA1=y +# CONFIG_RPCSEC_GSS_KRB5_ENCTYPES_AES_SHA1 is not set # CONFIG_RPCSEC_GSS_KRB5_ENCTYPES_CAMELLIA is not set # CONFIG_RPCSEC_GSS_KRB5_ENCTYPES_AES_SHA2 is not set CONFIG_SUNRPC_DEBUG=y -- 2.34.1

1 0

[PATCH OLK-6.6 0/1] arm64: Add non nmi ipi backtrace support
by Liao Chen 09 Jan '24

09 Jan '24

From: linruizhe <linruizhe(a)huawei.com> Dependencies: CONFIG_DETECT_HUNG_TASK=y CONFIG_WATCHDOG=y Li Zhengyu (1): arm64: Add non nmi ipi backtrace support arch/arm64/Kconfig | 8 +++++ arch/arm64/configs/openeuler_defconfig | 1 + arch/arm64/kernel/ipi_nmi.c | 41 ++++++++++++++++++++++---- 3 files changed, 45 insertions(+), 5 deletions(-) -- 2.25.1

1 1

[PATCH OLK-6.6] pid_ns: Make pid_max per namespace
by Yi Yang 09 Jan '24

09 Jan '24

From: Li Zefan <lizefan(a)huawei.com> euler inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8TCPY ------------------------------------------------- The adjusted pid_max on the host also takes effect in the container. Move pid_max to pid_namespace to fix this problem. Signed-off-by: Li Zefan <lizefan(a)huawei.com> Signed-off-by: Yi Yang <yiyang13(a)huawei.com> --- include/linux/pid.h | 2 ++ include/linux/pid_namespace.h | 3 ++ init/Kconfig | 6 ++++ kernel/pid.c | 57 +++++++++++++++++++++++++++++++++++ kernel/pid_namespace.c | 13 ++++++++ kernel/sysctl.c | 2 ++ kernel/trace/pid_list.c | 4 +++ kernel/trace/trace.c | 4 +++ kernel/trace/trace.h | 2 ++ 9 files changed, 93 insertions(+) diff --git a/include/linux/pid.h b/include/linux/pid.h index 653a527574c4..b90bc447d2a2 100644 --- a/include/linux/pid.h +++ b/include/linux/pid.h @@ -113,8 +113,10 @@ extern void transfer_pid(struct task_struct *old, struct task_struct *new, struct pid_namespace; extern struct pid_namespace init_pid_ns; +#ifndef CONFIG_PID_MAX_PER_NAMESPACE extern int pid_max; extern int pid_max_min, pid_max_max; +#endif /* * look up a PID in the hash table. Must be called with the tasklist_lock diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h index f9f9931e02d6..0a7c6dab0b7b 100644 --- a/include/linux/pid_namespace.h +++ b/include/linux/pid_namespace.h @@ -36,6 +36,9 @@ struct pid_namespace { #endif struct user_namespace *user_ns; struct ucounts *ucounts; +#ifdef CONFIG_PID_MAX_PER_NAMESPACE + int pid_max; +#endif int reboot; /* group exit code if this pidns was rebooted */ struct ns_common ns; #if defined(CONFIG_SYSCTL) && defined(CONFIG_MEMFD_CREATE) diff --git a/init/Kconfig b/init/Kconfig index 869eea4108d0..8c07d158bb54 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -2104,3 +2104,9 @@ config ARCH_HAS_SYNC_CORE_BEFORE_USERMODE # <asm/syscall_wrapper.h>. config ARCH_HAS_SYSCALL_WRAPPER def_bool n + +config PID_MAX_PER_NAMESPACE + bool "Make pid_max per namespace" + default y + help + Say Y here to enable make pid_max per namespace. diff --git a/kernel/pid.c b/kernel/pid.c index 383abde0c208..4e9267988dd7 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -45,6 +45,10 @@ #include <net/sock.h> #include <uapi/linux/pidfd.h> +#ifdef CONFIG_PID_MAX_PER_NAMESPACE +#include <linux/kmemleak.h> +#endif + struct pid init_struct_pid = { .count = REFCOUNT_INIT(1), .tasks = { @@ -59,12 +63,19 @@ struct pid init_struct_pid = { }, } }; +#ifndef CONFIG_PID_MAX_PER_NAMESPACE int pid_max = PID_MAX_DEFAULT; +#endif #define RESERVED_PIDS 300 +#ifndef CONFIG_PID_MAX_PER_NAMESPACE int pid_max_min = RESERVED_PIDS + 1; int pid_max_max = PID_MAX_LIMIT; +#else +static int pid_max_min = RESERVED_PIDS + 1; +static int pid_max_max = PID_MAX_LIMIT; +#endif /* * PID-map pages start out as NULL, they get allocated upon @@ -80,6 +91,9 @@ struct pid_namespace init_pid_ns = { .child_reaper = &init_task, .user_ns = &init_user_ns, .ns.inum = PROC_PID_INIT_INO, +#ifdef CONFIG_PID_MAX_PER_NAMESPACE + .pid_max = PID_MAX_DEFAULT, +#endif #ifdef CONFIG_PID_NS .ns.ops = &pidns_operations, #endif @@ -194,7 +208,11 @@ struct pid *alloc_pid(struct pid_namespace *ns, pid_t *set_tid, tid = set_tid[ns->level - i]; retval = -EINVAL; +#ifndef CONFIG_PID_MAX_PER_NAMESPACE if (tid < 1 || tid >= pid_max) +#else + if (tid < 1 || tid >= task_active_pid_ns(current)->pid_max) +#endif goto out_free; /* * Also fail if a PID != 1 is requested and @@ -234,7 +252,11 @@ struct pid *alloc_pid(struct pid_namespace *ns, pid_t *set_tid, * a partially initialized PID (see below). */ nr = idr_alloc_cyclic(&tmp->idr, NULL, pid_min, +#ifndef CONFIG_PID_MAX_PER_NAMESPACE pid_max, GFP_ATOMIC); +#else + tmp->pid_max, GFP_ATOMIC); +#endif } spin_unlock_irq(&pidmap_lock); idr_preload_end(); @@ -646,8 +668,37 @@ SYSCALL_DEFINE2(pidfd_open, pid_t, pid, unsigned int, flags) return fd; } +#ifdef CONFIG_PID_MAX_PER_NAMESPACE +static int proc_dointvec_pidmax(struct ctl_table *table, int write, + void __user *buffer, size_t *lenp, loff_t *ppos) +{ + struct ctl_table tmp; + + tmp = *table; + tmp.data = &task_active_pid_ns(current)->pid_max; + + return proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos); +} + +static struct ctl_table pid_ctl_table[] = { + { + .procname = "pid_max", + .data = &init_pid_ns.pid_max, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec_pidmax, + .extra1 = &pid_max_min, + .extra2 = &pid_max_max, + }, + {} +}; +#endif + void __init pid_idr_init(void) { +#ifdef CONFIG_PID_MAX_PER_NAMESPACE + int pid_max = init_pid_ns.pid_max; +#endif /* Verify no one has done anything silly: */ BUILD_BUG_ON(PID_MAX_LIMIT >= PIDNS_ADDING); @@ -658,6 +709,9 @@ void __init pid_idr_init(void) PIDS_PER_CPU_MIN * num_possible_cpus()); pr_info("pid_max: default: %u minimum: %u\n", pid_max, pid_max_min); +#ifdef CONFIG_PID_MAX_PER_NAMESPACE + init_pid_ns.pid_max = pid_max; +#endif idr_init(&init_pid_ns.idr); init_pid_ns.pid_cachep = kmem_cache_create("pid", @@ -665,6 +719,9 @@ void __init pid_idr_init(void) __alignof__(struct pid), SLAB_HWCACHE_ALIGN | SLAB_PANIC | SLAB_ACCOUNT, NULL); +#ifdef CONFIG_PID_MAX_PER_NAMESPACE + register_sysctl_init("kernel", pid_ctl_table); +#endif } static struct file *__pidfd_fget(struct task_struct *task, int fd) diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c index 619972c78774..c837b1096dcb 100644 --- a/kernel/pid_namespace.c +++ b/kernel/pid_namespace.c @@ -110,6 +110,9 @@ static struct pid_namespace *create_pid_namespace(struct user_namespace *user_ns ns->user_ns = get_user_ns(user_ns); ns->ucounts = ucounts; ns->pid_allocated = PIDNS_ADDING; +#ifdef CONFIG_PID_MAX_PER_NAMESPACE + ns->pid_max = parent_pid_ns->pid_max; +#endif #if defined(CONFIG_SYSCTL) && defined(CONFIG_MEMFD_CREATE) ns->memfd_noexec_scope = pidns_memfd_noexec_scope(parent_pid_ns); #endif @@ -295,6 +298,10 @@ static int pid_ns_ctl_handler(struct ctl_table *table, int write, next = idr_get_cursor(&pid_ns->idr) - 1; tmp.data = &next; +#ifdef CONFIG_PID_MAX_PER_NAMESPACE + tmp.extra2 = &pid_ns->pid_max; +#endif + ret = proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos); if (!ret && write) idr_set_cursor(&pid_ns->idr, next + 1); @@ -302,7 +309,9 @@ static int pid_ns_ctl_handler(struct ctl_table *table, int write, return ret; } +#ifndef CONFIG_PID_MAX_PER_NAMESPACE extern int pid_max; +#endif static struct ctl_table pid_ns_ctl_table[] = { { .procname = "ns_last_pid", @@ -310,7 +319,11 @@ static struct ctl_table pid_ns_ctl_table[] = { .mode = 0666, /* permissions are checked in the handler */ .proc_handler = pid_ns_ctl_handler, .extra1 = SYSCTL_ZERO, +#ifndef CONFIG_PID_MAX_PER_NAMESPACE .extra2 = &pid_max, +#else + .extra2 = &init_pid_ns.pid_max, +#endif }, { } }; diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 354a2d294f52..e84df0818517 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -1809,6 +1809,7 @@ static struct ctl_table kern_table[] = { .proc_handler = proc_dointvec, }, #endif +#ifndef CONFIG_PID_MAX_PER_NAMESPACE { .procname = "pid_max", .data = &pid_max, @@ -1818,6 +1819,7 @@ static struct ctl_table kern_table[] = { .extra1 = &pid_max_min, .extra2 = &pid_max_max, }, +#endif { .procname = "panic_on_oops", .data = &panic_on_oops, diff --git a/kernel/trace/pid_list.c b/kernel/trace/pid_list.c index 95106d02b32d..8056d7441d05 100644 --- a/kernel/trace/pid_list.c +++ b/kernel/trace/pid_list.c @@ -414,7 +414,11 @@ struct trace_pid_list *trace_pid_list_alloc(void) int i; /* According to linux/thread.h, pids can be no bigger that 30 bits */ +#ifndef CONFIG_PID_MAX_PER_NAMESPACE WARN_ON_ONCE(pid_max > (1 << 30)); +#else + WARN_ON_ONCE(task_active_pid_ns(current)->pid_max > (1 << 30)); +#endif pid_list = kzalloc(sizeof(*pid_list), GFP_KERNEL); if (!pid_list) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index b656cab67f67..5afa58302b06 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -5423,7 +5423,11 @@ int set_tracer_flag(struct trace_array *tr, unsigned int mask, int enabled) if (mask == TRACE_ITER_RECORD_TGID) { if (!tgid_map) { +#ifndef CONFIG_PID_MAX_PER_NAMESPACE tgid_map_max = pid_max; +#else + tgid_map_max = init_pid_ns.pid_max; +#endif map = kvcalloc(tgid_map_max + 1, sizeof(*tgid_map), GFP_KERNEL); diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index d608f6128704..52123df262b2 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -695,7 +695,9 @@ extern unsigned long tracing_thresh; /* PID filtering */ +#ifndef CONFIG_PID_MAX_PER_NAMESPACE extern int pid_max; +#endif bool trace_find_filtered_pid(struct trace_pid_list *filtered_pids, pid_t search_pid); -- 2.25.1

1 0

[PATCH OLK-6.6 0/1] arm64: Add non nmi ipi backtrace support
by Liao Chen 09 Jan '24

09 Jan '24

From: linruizhe <linruizhe(a)huawei.com> Dependencies: CONFIG_DETECT_HUNG_TASK=y CONFIG_WATCHDOG=y Li Zhengyu (1): arm64: Add non nmi ipi backtrace support arch/arm64/Kconfig | 8 +++++ arch/arm64/configs/openeuler_defconfig | 1 + arch/arm64/kernel/ipi_nmi.c | 41 ++++++++++++++++++++++---- 3 files changed, 45 insertions(+), 5 deletions(-) -- 2.25.1

1 1

[PATCH OLK-6.6 00/10] Backport etmem feature to OLK 6.6
by Yuchen Tang 09 Jan '24

09 Jan '24

v2 -> v3 - fix code style and commit messages v1 -> v2 - make independent patches to export symbols we need - make independent patches for etmem scan and swap config - fix indentation and code style problems Yuchen Tang (10): etmem: add ETMEM feature CONFIG to mm/Kconfig etmem: add ETMEM scan feature CONFIG to mm/Kconfig mm: Export symbol __pud_trans_huge_lock mm: Export symbol walk_page_range etmem: add etmem scan feature mm: Export symbol reclaim_pages etmem: add etmem swap feature etmem: add original kernel swap enabled options etmem: add swapcache reclaim to etmem etmem: enable etmem configurations arch/arm64/configs/openeuler_defconfig | 3 + arch/x86/configs/openeuler_defconfig | 3 + fs/proc/Makefile | 3 + fs/proc/base.c | 8 + fs/proc/etmem_proc.c | 216 ++++ fs/proc/etmem_scan.c | 1383 ++++++++++++++++++++++++ fs/proc/etmem_scan.h | 149 +++ fs/proc/etmem_swap.c | 283 +++++ fs/proc/internal.h | 4 + include/linux/etmem.h | 75 ++ include/linux/mm.h | 4 + include/linux/mm_types.h | 5 + include/linux/swap.h | 1 + include/uapi/asm-generic/mman-common.h | 4 + mm/Kconfig | 33 + mm/Makefile | 1 + mm/etmem.c | 384 +++++++ mm/huge_memory.c | 1 + mm/internal.h | 1 - mm/madvise.c | 16 + mm/pagewalk.c | 1 + mm/swap_state.c | 4 + mm/vmscan.c | 16 + virt/kvm/kvm_main.c | 8 + 24 files changed, 2605 insertions(+), 1 deletion(-) create mode 100644 fs/proc/etmem_proc.c create mode 100644 fs/proc/etmem_scan.c create mode 100644 fs/proc/etmem_scan.h create mode 100644 fs/proc/etmem_swap.c create mode 100644 include/linux/etmem.h create mode 100644 mm/etmem.c -- 2.33.0

1 10

[PATCH V3 OLK-6.6 0/8] Spark SQL scenario bpf readahead optimization synchronization to OLK-6.6
by ZhaoLong Wang 08 Jan '24

08 Jan '24

CONFIG: CONFIG_DEBUG_INFO_BTF=y CONFIG_BPF_SYSCALL=y CONFIG_NF_CONNTRACK=y CONFIG_NF_CONNTRACK_MARK=y V2: - Using helpers function, such as i_size_read(), round_up - Fix commit log Signature - Fix the user-mode test program V3 - Do not use the round_up helper function. Use the correct calculation - err = -errno before printf Hou Tao (5): vfs: add bare tracepoints for vfs read and release fs: add helper fs_file_read_do_trace() xfs: add trace for read and release of regular file ext4: add trace for the read and release of regular file selftests/bpf: add demo for file read pattern detection Yufen Yu (1): readahead: introduce FMODE_CTL_WILLNEED to read first 2MB of file ZhaoLong Wang (2): VFS: Rolling Back the fmode macro definition and structure members selftests/bpf: Update the demo file_read_pattern to run on libbpf 1.0+ fs/ext4/file.c | 4 + fs/read_write.c | 38 +++++ fs/xfs/xfs_file.c | 3 + include/linux/fs.h | 37 +++++ include/trace/events/fs.h | 33 +++++ mm/readahead.c | 40 ++++- tools/testing/selftests/bpf/Makefile | 1 + .../testing/selftests/bpf/file_read_pattern.c | 76 ++++++++++ .../bpf/progs/file_read_pattern_prog.c | 137 ++++++++++++++++++ 9 files changed, 368 insertions(+), 1 deletion(-) create mode 100644 include/trace/events/fs.h create mode 100644 tools/testing/selftests/bpf/file_read_pattern.c create mode 100644 tools/testing/selftests/bpf/progs/file_read_pattern_prog.c -- 2.39.2

1 8

[PATCH V3 OLK-6.6 0/8] Spark SQL scenario bpf readahead optimization synchronization to OLK-6.6
by ZhaoLong Wang 08 Jan '24

08 Jan '24

CONFIG: CONFIG_DEBUG_INFO_BTF=y CONFIG_BPF_SYSCALL=y CONFIG_NF_CONNTRACK=y CONFIG_NF_CONNTRACK_MARK=y V2: - Using helpers function, such as i_size_read(), round_up - Fix commit log Signature - Fix the user-mode test program V3 - Do not use the round_up helper function. Use the correct calculation. - err = -errno before printf Hou Tao (5): vfs: add bare tracepoints for vfs read and release fs: add helper fs_file_read_do_trace() xfs: add trace for read and release of regular file ext4: add trace for the read and release of regular file selftests/bpf: add demo for file read pattern detection Yufen Yu (1): readahead: introduce FMODE_CTL_WILLNEED to read first 2MB of file ZhaoLong Wang (2): VFS: Rolling Back the fmode macro definition and structure members selftests/bpf: Update the demo file_read_pattern to run on libbpf 1.0+ fs/ext4/file.c | 4 + fs/read_write.c | 38 +++++ fs/xfs/xfs_file.c | 3 + include/linux/fs.h | 37 +++++ include/trace/events/fs.h | 33 +++++ mm/readahead.c | 40 ++++- tools/testing/selftests/bpf/Makefile | 1 + .../testing/selftests/bpf/file_read_pattern.c | 76 ++++++++++ .../bpf/progs/file_read_pattern_prog.c | 137 ++++++++++++++++++ 9 files changed, 368 insertions(+), 1 deletion(-) create mode 100644 include/trace/events/fs.h create mode 100644 tools/testing/selftests/bpf/file_read_pattern.c create mode 100644 tools/testing/selftests/bpf/progs/file_read_pattern_prog.c -- 2.39.2

2 9

[PATCH OLK-5.10 00/11] md/raid1-10: limit the number of plugged bio
by Li Lingfeng 08 Jan '24

08 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

1 11

[PATCH openEuler-22.03-LTS-SP2 0/4] ext4: fix some ext4_lblk_t overflow issues
by Baokun Li 08 Jan '24

08 Jan '24

Baokun Li (4): ext4: add two helper functions extent_logical_end() and pa_logical_end() ext4: fix BUG in ext4_mb_new_inode_pa() due to overflow ext4: avoid overlapping preallocations due to overflow ext4: prevent the normalized size from exceeding EXT_MAX_BLOCKS fs/ext4/mballoc.c | 55 ++++++++++++++++++++++------------------------- fs/ext4/mballoc.h | 14 ++++++++++++ 2 files changed, 40 insertions(+), 29 deletions(-) -- 2.31.1

2 5

[PATCH openEuler-1.0-LTS] nvme: sanitize metadata bounce buffer for reads
by Li Lingfeng 08 Jan '24

08 Jan '24

From: Keith Busch <kbusch(a)kernel.org> mainline inclusion from mainline-v6.1-rc1 commit 2b32c76e2b0154b98b9322ae7546b8156cd703e6 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I8UJF0 CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… ---------------------------------------- User can request more metadata bytes than the device will write. Ensure kernel buffer is initialized so we're not leaking unsanitized memory on the copy-out. Fixes: 0b7f1f26f95a51a ("nvme: use the block layer for userspace passthrough metadata") Reviewed-by: Jens Axboe <axboe(a)kernel.dk> Reviewed-by: Christoph Hellwig <hch(a)lst.de> Reviewed-by: Kanchan Joshi <joshi.k(a)samsung.com> Reviewed-by: Chaitanya Kulkarni <kch(a)nvidia.com> Signed-off-by: Keith Busch <kbusch(a)kernel.org> Conflicts: Commit 2405252a680e ("nvme: move the ioctl code to a separate file") move nvme_add_user_metadata() from drivers/nvme/host/core.c to drivers/nvme/host/ioctl.c; Commit 38c0ddab7b93 ("nvme: refactor nvme_add_user_metadata") changed to use REQ_OP_DRV_OUT to identify the write request. Signed-off-by: Li Lingfeng <lilingfeng3(a)huawei.com> --- drivers/nvme/host/core.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 151ab076822b..b4d8aa84b744 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -856,9 +856,13 @@ static void *nvme_add_user_metadata(struct bio *bio, void __user *ubuf, if (!buf) goto out; - ret = -EFAULT; - if (write && copy_from_user(buf, ubuf, len)) - goto out_free_meta; + if (write) { + ret = -EFAULT; + if (copy_from_user(buf, ubuf, len)) + goto out_free_meta; + } else { + memset(buf, 0, len); + } bip = bio_integrity_alloc(bio, GFP_KERNEL, 1); if (IS_ERR(bip)) { -- 2.31.1

2 1