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[PATCH OLK-5.10] arm64: Add memmap parameter and register pmem
by Zhuling 10 Jan '22

10 Jan '22

hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I4O31I?from=project-issue CVE: NA ------------------------------ Register pmem in arm64: Use memmap(memmap=nn[KMG]!ss[KMG]) reserve memory and e820(driver/nvdimm/e820.c) function to register persistent memory in arm64. when the kernel restart or update, the data in PMEM will not be lost and can be loaded faster. this is a general features. driver/nvdimm/e820.c: The function of this file is scan "iomem_resource" and take advantage of nvdimm resource discovery mechanism by registering a resource named "Persistent Memory (legacy)", this function doesn't depend on architecture. We will push the feature to linux kernel community and discuss to modify the file name. because people have a mistaken notion that the e820.c is depend on x86. If you want use this features, you need do as follows: 1.Reserve memory: add memmap to reserve memory in grub.cfg memmap=nn[KMG]!ss[KMG] exp:memmap=100K!0x1a0000000. 2.Insmod nd_e820.ko: modprobe nd_e820. 3.Check pmem device in /dev exp: /dev/pmem0 Signed-off-by: Zhuling <zhuling8(a)huawei.com> --- arch/arm64/Kconfig | 22 ++++++++++++++++ arch/arm64/kernel/Makefile | 1 + arch/arm64/kernel/pmem.c | 36 ++++++++++++++++++++++++++ arch/arm64/kernel/setup.c | 11 ++++++++ arch/arm64/mm/init.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++ drivers/nvdimm/Kconfig | 6 +++++ drivers/nvdimm/Makefile | 1 + 7 files changed, 140 insertions(+) create mode 100644 arch/arm64/kernel/pmem.c diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 405e5ce..2231eac 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1322,6 +1322,28 @@ config RODATA_FULL_DEFAULT_ENABLED This requires the linear region to be mapped down to pages, which may adversely affect performance in some cases. +config ARM64_PMEM_RESERVE + bool "Reserve memory for persistent storage" + default n + help + Use memmap=nn[KMG]!ss[KMG](memmap=100K!0x1a0000000) reserve + memory for persistent storage. + + Say y here to enable this feature. + +config ARM64_PMEM_LEGACY_DEVICE + bool "Create persistent storage" + depends on BLK_DEV + depends on LIBNVDIMM + select ARM64_PMEM_RESERVE + help + Use reserved memory for persistent storage when the kernel + restart or update. the data in PMEM will not be lost and + can be loaded faster. + + Say y if unsure. + + config ARM64_SW_TTBR0_PAN bool "Emulate Privileged Access Never using TTBR0_EL1 switching" help diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile index 169d90f..f615325 100644 --- a/arch/arm64/kernel/Makefile +++ b/arch/arm64/kernel/Makefile @@ -68,6 +68,7 @@ obj-$(CONFIG_ARM64_PTR_AUTH) += pointer_auth.o obj-$(CONFIG_SHADOW_CALL_STACK) += scs.o obj-$(CONFIG_ARM64_MTE) += mte.o obj-$(CONFIG_MPAM) += mpam/ +obj-$(CONFIG_ARM64_PMEM_LEGACY_DEVICE) += pmem.o obj-y += vdso/ probes/ obj-$(CONFIG_COMPAT_VDSO) += vdso32/ diff --git a/arch/arm64/kernel/pmem.c b/arch/arm64/kernel/pmem.c new file mode 100644 index 0000000..d1efdc8 --- /dev/null +++ b/arch/arm64/kernel/pmem.c @@ -0,0 +1,36 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright(c) 2021 Huawei Technologies Co., Ltd + * + * Derived from x86 and arm64 implement PMEM. + */ +#include <linux/platform_device.h> +#include <linux/init.h> +#include <linux/ioport.h> +#include <linux/module.h> + +static int found(struct resource *res, void *data) +{ + return 1; +} + +static int __init register_e820_pmem(void) +{ + struct platform_device *pdev; + int rc; + + rc = walk_iomem_res_desc(IORES_DESC_PERSISTENT_MEMORY_LEGACY, + IORESOURCE_MEM, 0, -1, NULL, found); + if (rc <= 0) + return 0; + + /* + * See drivers/nvdimm/e820.c for the implementation, this is + * simply here to trigger the module to load on demand. + */ + pdev = platform_device_alloc("e820_pmem", -1); + + return platform_device_add(pdev); +} +device_initcall(register_e820_pmem); + diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 92d75e3..1a8a4d2 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -70,6 +70,11 @@ static int __init arm64_enable_cpu0_hotplug(char *str) __setup("arm64_cpu0_hotplug", arm64_enable_cpu0_hotplug); #endif +#ifdef CONFIG_ARM64_PMEM_RESERVE +extern struct resource pmem_res; +#endif + + phys_addr_t __fdt_pointer __initdata; /* @@ -305,6 +310,12 @@ static void __init request_standard_resources(void) } } +#ifdef CONFIG_ARM64_PMEM_RESERVE + if (pmem_res.end && pmem_res.start) + request_resource(&iomem_resource, &pmem_res); +#endif + + static int __init reserve_memblock_reserved_regions(void) { u64 i, j; diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index 6ebfabd..3b6907f 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -56,6 +56,8 @@ s64 memstart_addr __ro_after_init = -1; EXPORT_SYMBOL(memstart_addr); +phys_addr_t start_at, mem_size; + #ifdef CONFIG_PIN_MEMORY struct resource pin_memory_resource = { .name = "Pin memory", @@ -111,6 +113,18 @@ static void __init reserve_pin_memory_res(void) */ phys_addr_t arm64_dma_phys_limit __ro_after_init; +static unsigned long long pmem_size, pmem_start; + +#ifdef CONFIG_ARM64_PMEM_RESERVE +struct resource pmem_res = { + .name = "Persistent Memory (legacy)", + .start = 0, + .end = 0, + .flags = IORESOURCE_MEM, + .desc = IORES_DESC_PERSISTENT_MEMORY_LEGACY +}; +#endif + #ifndef CONFIG_KEXEC_CORE static void __init reserve_crashkernel(void) { @@ -403,6 +417,26 @@ static int __init reserve_park_mem(void) return -EINVAL; } #endif +static bool __init is_mem_valid(unsigned long long mem_size, unsigned long long mem_start) +{ + if (!memblock_is_region_memory(mem_start, mem_size)) { + pr_warn("cannot reserve mem: region is not memory!\n"); + return false; + } + + if (memblock_is_region_reserved(mem_start, mem_size)) { + pr_warn("cannot reserve mem: region overlaps reserved memory!\n"); + return false; + } + + if (!IS_ALIGNED(mem_start, SZ_2M)) { + pr_warn("cannot reserve mem: base address is not 2MB aligned!\n"); + return false; + } + + return true; +} + static int need_remove_real_memblock __initdata; @@ -442,7 +476,17 @@ static int __init parse_memmap_one(char *p) start_at = memparse(p + 1, &p); memblock_reserve(start_at, mem_size); memblock_mark_memmap(start_at, mem_size); +<<<<<<< HEAD + } else if (*p == '!') { + start_at = memparse(p+1, &p); + + pmem_start = start_at; + pmem_size = mem_size; + + }else +======= } else +>>>>>>> 374db2be8805428b4f54b5ef793b0d3f5069c5f9 pr_info("Unrecognized memmap option, please check the parameter.\n"); return *p == '\0' ? 0 : -EINVAL; @@ -464,6 +508,20 @@ static int __init parse_memmap_opt(char *str) } early_param("memmap", parse_memmap_opt); +#ifdef CONFIG_ARM64_PMEM_RESERVE +static void __init reserve_pmem(void) +{ + if (!is_mem_valid(mem_size, start_at)) + return; + + memblock_remove(pmem_start, pmem_size); + pr_info("pmem reserved: 0x%016llx - 0x%016llx (%lld MB)\n", + pmem_start, pmem_start + pmem_size, pmem_size >> 20); + pmem_res.start = pmem_start; + pmem_res.end = pmem_start + pmem_size - 1; +} +#endif + void __init arm64_memblock_init(void) { const s64 linear_region_size = BIT(vabits_actual - 1); @@ -638,6 +696,11 @@ void __init bootmem_init(void) reserve_quick_kexec(); #endif +#ifdef CONFIG_ARM64_PMEM_RESERVE + reserve_pmem(); +#endif + + reserve_pin_memory_res(); memblock_dump_all(); diff --git a/drivers/nvdimm/Kconfig b/drivers/nvdimm/Kconfig index b7d1eb3..9567cca 100644 --- a/drivers/nvdimm/Kconfig +++ b/drivers/nvdimm/Kconfig @@ -132,3 +132,9 @@ config NVDIMM_TEST_BUILD infrastructure. endif + +config PMEM_LEGACY + tristate "Pmem_legacy" + select X86_PMEM_LEGACY if X86 + select ARM64_PMEM_LEGACY_DEVICE if ARM64 + diff --git a/drivers/nvdimm/Makefile b/drivers/nvdimm/Makefile index 0407753..6f8dc92 100644 --- a/drivers/nvdimm/Makefile +++ b/drivers/nvdimm/Makefile @@ -3,6 +3,7 @@ obj-$(CONFIG_LIBNVDIMM) += libnvdimm.o obj-$(CONFIG_BLK_DEV_PMEM) += nd_pmem.o obj-$(CONFIG_ND_BTT) += nd_btt.o obj-$(CONFIG_ND_BLK) += nd_blk.o +obj-$(CONFIG_PMEM_LEGACY) += nd_e820.o obj-$(CONFIG_OF_PMEM) += of_pmem.o obj-$(CONFIG_VIRTIO_PMEM) += virtio_pmem.o nd_virtio.o -- 2.9.5

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[PATCH openEuler-5.10] BMA: Fix format string compile warning in arm32 builds
by Zheng Zengkai 10 Jan '22

10 Jan '22

driver inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I4ETXO CVE: NA ----------------------------------------- Fix following build warnings in arm32 builds: drivers/net/ethernet/huawei/bma/edma_drv/bma_devintf.c: In function ‘bma_cdev_add_msg’: drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.h:92:20: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 5 has type ‘size_t {aka unsigned int}’ [-Wformat=] drivers/net/ethernet/huawei/bma/veth_drv/veth_hb.c: In function ‘veth_recv_pkt’: drivers/net/ethernet/huawei/bma/veth_drv/veth_hb.c:74:37: warning: format ‘%llx’ expects argument of type ‘long long unsigned int’, but argument 7 has type ‘dma_addr_t {aka unsigned int}’ [-Wformat=] Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> Reviewed-by: Kefeng Wang <wangkefeng.wang(a)huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> --- .../bma/cdev_veth_drv/virtual_cdev_eth_net.c | 14 +++++++------- .../net/ethernet/huawei/bma/edma_drv/bma_devintf.c | 2 +- .../net/ethernet/huawei/bma/edma_drv/edma_host.c | 2 +- drivers/net/ethernet/huawei/bma/veth_drv/veth_hb.c | 4 ++-- 4 files changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c b/drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c index 04ea55f4e0a2..d8c3ab655566 100644 --- a/drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c +++ b/drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c @@ -605,7 +605,7 @@ static int edma_veth_cut_tx_packet_send(struct edma_eth_dev_s *eth_dev, do_queue_rate_limit(eth_dev->ptx_queue); while (length > 0) { - LOG(DLOG_DEBUG, "length: %u/%lu", length, len); + LOG(DLOG_DEBUG, "length: %u/%zu", length, len); if (length > BSPPACKET_MTU_MAX) { /* fragment. */ @@ -1689,7 +1689,7 @@ static ssize_t cdev_copy_packet_to_user(struct edma_eth_dev_s *dev, start = dev->rx_packet[dev->rx_packet_head].packet + g_read_pos; LOG(DLOG_DEBUG, - "User needs %ld bytes, pos: %u, total len: %u, left: %ld.", + "User needs %zu bytes, pos: %u, total len: %u, left: %zd.", count, g_read_pos, dev->rx_packet[dev->rx_packet_head].len, left); if (left <= 0) { /* No more data in this message, retry. */ @@ -1721,7 +1721,7 @@ static ssize_t cdev_copy_packet_to_user(struct edma_eth_dev_s *dev, } LOG(DLOG_DEBUG, - "Copied bytes: %ld, pos: %d, buf len: %lu, free_packet: %d.", + "Copied bytes: %zd, pos: %d, buf len: %zu, free_packet: %d.", length, g_read_pos, count, free_packet); if (packet) { @@ -1807,11 +1807,11 @@ ssize_t cdev_read(struct file *filp, char __user *data, if (!data || count >= MAX_PACKET_LEN) return -EFAULT; - LOG(DLOG_DEBUG, "read begin, count: %ld, pos: %u.", count, g_read_pos); + LOG(DLOG_DEBUG, "read begin, count: %zu, pos: %u.", count, g_read_pos); length = cdev_copy_packet_to_user(dev, data, count); - LOG(DLOG_DEBUG, "read done, length: %ld, pos: %u.", length, g_read_pos); + LOG(DLOG_DEBUG, "read done, length: %zd, pos: %u.", length, g_read_pos); return length; } @@ -1837,7 +1837,7 @@ ssize_t cdev_write(struct file *filp, const char __user *data, g_peer_not_ready = 0; } - LOG(DLOG_DEBUG, "data length is %lu, pos: %u (%u/%u)", + LOG(DLOG_DEBUG, "data length is %zu, pos: %u (%u/%u)", count, g_read_pos, pdev->ptx_queue->pshmqhd_v->count, pdev->ptx_queue->pshmqhd_v->total); @@ -1859,4 +1859,4 @@ MODULE_DESCRIPTION("HUAWEI CDEV DRIVER"); MODULE_LICENSE("GPL"); module_init(edma_cdev_init); -module_exit(edma_cdev_exit); \ No newline at end of file +module_exit(edma_cdev_exit); diff --git a/drivers/net/ethernet/huawei/bma/edma_drv/bma_devintf.c b/drivers/net/ethernet/huawei/bma/edma_drv/bma_devintf.c index 7817f58f8635..acf6bbfc50ff 100644 --- a/drivers/net/ethernet/huawei/bma/edma_drv/bma_devintf.c +++ b/drivers/net/ethernet/huawei/bma/edma_drv/bma_devintf.c @@ -497,7 +497,7 @@ int bma_cdev_add_msg(void *handle, const char __user *msg, size_t msg_len) hdr->sub_type = priv->user.sub_type; hdr->user_id = priv->user.user_id; hdr->datalen = msg_len; - BMA_LOG(DLOG_DEBUG, "msg_len is %ld\n", msg_len); + BMA_LOG(DLOG_DEBUG, "msg_len is %zu\n", msg_len); if (copy_from_user(hdr->data, msg, msg_len)) { BMA_LOG(DLOG_ERROR, "copy_from_user error\n"); diff --git a/drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c b/drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c index 2d5f4ffd79d9..3525d41c865f 100644 --- a/drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c +++ b/drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c @@ -789,7 +789,7 @@ static int edma_host_send_msg(struct edma_host_s *edma_host) if (edma_host->msg_send_write > HOST_MAX_SEND_MBX_LEN - SIZE_OF_MBX_HDR) { BMA_LOG(DLOG_ERROR, - "Length of send message %u is larger than %lu\n", + "Length of send message %u is larger than %zu\n", edma_host->msg_send_write, HOST_MAX_SEND_MBX_LEN - SIZE_OF_MBX_HDR); edma_host->msg_send_write = 0; diff --git a/drivers/net/ethernet/huawei/bma/veth_drv/veth_hb.c b/drivers/net/ethernet/huawei/bma/veth_drv/veth_hb.c index 9681ce3bfc7b..240db31d7178 100644 --- a/drivers/net/ethernet/huawei/bma/veth_drv/veth_hb.c +++ b/drivers/net/ethernet/huawei/bma/veth_drv/veth_hb.c @@ -1488,8 +1488,8 @@ s32 veth_recv_pkt(struct bspveth_rxtx_q *prx_queue, int queue) skb->len, skb->protocol); VETH_LOG(DLOG_DEBUG, - "dma_p=0x%llx,dma_map=0x%llx,", - pbd_v->dma_p, dma_map); + "dma_p=0x%llx,dma_map=%pad,", + pbd_v->dma_p, &dma_map); VETH_LOG(DLOG_DEBUG, "skb=%p,skb->data=%p,skb->len=%d,tail=%d,shm_off=%d\n", -- 2.20.1

1 0

[PATCH openEuler-5.10 01/21] RDMA/hns: Enable stash feature of HIP09
by Zheng Zengkai 08 Jan '22

08 Jan '22

From: Yixing Liu <liuyixing1(a)huawei.com> mainline inclusion from mainline-v5.15-rc1 commit 260f64a40198 category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I4O23M CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… ---------------------------------------------------------------------------- The stash feature is enabled by default on HIP09. Fixes: f93c39bc9547 ("RDMA/hns: Add support for QP stash") Fixes: bfefae9f108d ("RDMA/hns: Add support for CQ stash") Link: https://lore.kernel.org/r/1629539607-33217-3-git-send-email-liangwenpeng@hu… Signed-off-by: Yixing Liu <liuyixing1(a)huawei.com> Signed-off-by: Wenpeng Liang <liangwenpeng(a)huawei.com> Signed-off-by: Jason Gunthorpe <jgg(a)nvidia.com> sigend-off-by: Guofeng Yue <yueguofeng(a)hisilicon.com> Reviewed-by: Yangyang Li <liyangyang20(a)huawei.com> Acked-by: Xie XiuQi <xiexiuqi(a)huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index aea6a6a7b238..4f8738bda0a2 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -2004,6 +2004,7 @@ static void set_default_caps(struct hns_roce_dev *hr_dev) caps->gid_table_len[0] = HNS_ROCE_V2_GID_INDEX_NUM; if (hr_dev->pci_dev->revision >= PCI_REVISION_ID_HIP09) { + caps->flags |= HNS_ROCE_CAP_FLAG_STASH; caps->max_sq_inline = HNS_ROCE_V3_MAX_SQ_INLINE; } else { caps->max_sq_inline = HNS_ROCE_V2_MAX_SQ_INLINE; -- 2.20.1

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[PATCH OLK-5.10] BMA: Fix format string compile warning in arm32 builds
by Zheng Zengkai 08 Jan '22

08 Jan '22

driver inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I4ETXO CVE: NA ----------------------------------------- Fix following build warnings in arm32 builds: drivers/net/ethernet/huawei/bma/edma_drv/bma_devintf.c: In function ‘bma_cdev_add_msg’: drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.h:92:20: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 5 has type ‘size_t {aka unsigned int}’ [-Wformat=] Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> --- .../bma/cdev_veth_drv/virtual_cdev_eth_net.c | 14 +++++++------- .../net/ethernet/huawei/bma/edma_drv/bma_devintf.c | 2 +- .../net/ethernet/huawei/bma/edma_drv/edma_host.c | 2 +- drivers/net/ethernet/huawei/bma/veth_drv/veth_hb.c | 2 +- 4 files changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c b/drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c index 04ea55f4e0a2..99466848c034 100644 --- a/drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c +++ b/drivers/net/ethernet/huawei/bma/cdev_veth_drv/virtual_cdev_eth_net.c @@ -605,7 +605,7 @@ static int edma_veth_cut_tx_packet_send(struct edma_eth_dev_s *eth_dev, do_queue_rate_limit(eth_dev->ptx_queue); while (length > 0) { - LOG(DLOG_DEBUG, "length: %u/%lu", length, len); + LOG(DLOG_DEBUG, "length: %u/%u", length, len); if (length > BSPPACKET_MTU_MAX) { /* fragment. */ @@ -1689,7 +1689,7 @@ static ssize_t cdev_copy_packet_to_user(struct edma_eth_dev_s *dev, start = dev->rx_packet[dev->rx_packet_head].packet + g_read_pos; LOG(DLOG_DEBUG, - "User needs %ld bytes, pos: %u, total len: %u, left: %ld.", + "User needs %d bytes, pos: %u, total len: %u, left: %d.", count, g_read_pos, dev->rx_packet[dev->rx_packet_head].len, left); if (left <= 0) { /* No more data in this message, retry. */ @@ -1721,7 +1721,7 @@ static ssize_t cdev_copy_packet_to_user(struct edma_eth_dev_s *dev, } LOG(DLOG_DEBUG, - "Copied bytes: %ld, pos: %d, buf len: %lu, free_packet: %d.", + "Copied bytes: %d, pos: %d, buf len: %u, free_packet: %d.", length, g_read_pos, count, free_packet); if (packet) { @@ -1807,11 +1807,11 @@ ssize_t cdev_read(struct file *filp, char __user *data, if (!data || count >= MAX_PACKET_LEN) return -EFAULT; - LOG(DLOG_DEBUG, "read begin, count: %ld, pos: %u.", count, g_read_pos); + LOG(DLOG_DEBUG, "read begin, count: %d, pos: %u.", count, g_read_pos); length = cdev_copy_packet_to_user(dev, data, count); - LOG(DLOG_DEBUG, "read done, length: %ld, pos: %u.", length, g_read_pos); + LOG(DLOG_DEBUG, "read done, length: %d, pos: %u.", length, g_read_pos); return length; } @@ -1837,7 +1837,7 @@ ssize_t cdev_write(struct file *filp, const char __user *data, g_peer_not_ready = 0; } - LOG(DLOG_DEBUG, "data length is %lu, pos: %u (%u/%u)", + LOG(DLOG_DEBUG, "data length is %u, pos: %u (%u/%u)", count, g_read_pos, pdev->ptx_queue->pshmqhd_v->count, pdev->ptx_queue->pshmqhd_v->total); @@ -1859,4 +1859,4 @@ MODULE_DESCRIPTION("HUAWEI CDEV DRIVER"); MODULE_LICENSE("GPL"); module_init(edma_cdev_init); -module_exit(edma_cdev_exit); \ No newline at end of file +module_exit(edma_cdev_exit); diff --git a/drivers/net/ethernet/huawei/bma/edma_drv/bma_devintf.c b/drivers/net/ethernet/huawei/bma/edma_drv/bma_devintf.c index 7817f58f8635..2d63e44f0ed2 100644 --- a/drivers/net/ethernet/huawei/bma/edma_drv/bma_devintf.c +++ b/drivers/net/ethernet/huawei/bma/edma_drv/bma_devintf.c @@ -497,7 +497,7 @@ int bma_cdev_add_msg(void *handle, const char __user *msg, size_t msg_len) hdr->sub_type = priv->user.sub_type; hdr->user_id = priv->user.user_id; hdr->datalen = msg_len; - BMA_LOG(DLOG_DEBUG, "msg_len is %ld\n", msg_len); + BMA_LOG(DLOG_DEBUG, "msg_len is %d\n", msg_len); if (copy_from_user(hdr->data, msg, msg_len)) { BMA_LOG(DLOG_ERROR, "copy_from_user error\n"); diff --git a/drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c b/drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c index 2d5f4ffd79d9..a89a4160dedd 100644 --- a/drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c +++ b/drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c @@ -789,7 +789,7 @@ static int edma_host_send_msg(struct edma_host_s *edma_host) if (edma_host->msg_send_write > HOST_MAX_SEND_MBX_LEN - SIZE_OF_MBX_HDR) { BMA_LOG(DLOG_ERROR, - "Length of send message %u is larger than %lu\n", + "Length of send message %u is larger than %u\n", edma_host->msg_send_write, HOST_MAX_SEND_MBX_LEN - SIZE_OF_MBX_HDR); edma_host->msg_send_write = 0; diff --git a/drivers/net/ethernet/huawei/bma/veth_drv/veth_hb.c b/drivers/net/ethernet/huawei/bma/veth_drv/veth_hb.c index 9681ce3bfc7b..7b511c05c2e9 100644 --- a/drivers/net/ethernet/huawei/bma/veth_drv/veth_hb.c +++ b/drivers/net/ethernet/huawei/bma/veth_drv/veth_hb.c @@ -1488,7 +1488,7 @@ s32 veth_recv_pkt(struct bspveth_rxtx_q *prx_queue, int queue) skb->len, skb->protocol); VETH_LOG(DLOG_DEBUG, - "dma_p=0x%llx,dma_map=0x%llx,", + "dma_p=0x%llx,dma_map=0x%x,", pbd_v->dma_p, dma_map); VETH_LOG(DLOG_DEBUG, -- 2.20.1

2 1

[PATCH openEuler-5.10 001/125] kabi: Generalize naming of kabi helper macros
by Zheng Zengkai 07 Jan '22

07 Jan '22

hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I4K3S5 -------------------------- Generalize naming of some kabi helper macros. Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> Reviewed-by: Xie XiuQi <xiexiuqi(a)huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> --- include/linux/kabi.h | 38 +++++++++++++++++++------------------- 1 file changed, 19 insertions(+), 19 deletions(-) diff --git a/include/linux/kabi.h b/include/linux/kabi.h index 713f63cf56cb..0bc7ca2483f4 100644 --- a/include/linux/kabi.h +++ b/include/linux/kabi.h @@ -151,7 +151,7 @@ * approaches can (and often are) combined. * * To use this for 'struct foo' (the "base structure"), define a new - * structure called 'struct foo_rh'; this new struct is called "auxiliary + * structure called 'struct foo_resvd'; this new struct is called "auxiliary * structure". Then add KABI_AUX_EMBED or KABI_AUX_PTR to the end * of the base structure. The argument is the name of the base structure, * without the 'struct' keyword. @@ -174,7 +174,7 @@ * end. Note the auxiliary structure cannot be shrunk in size later (i.e., * fields cannot be removed, only deprecated). Any code accessing fields * from the aux struct must guard the access using the KABI_AUX macro. - * The access itself is then done via a '_rh' field in the base struct. + * The access itself is then done via a '_resvd' field in the base struct. * * The auxiliary structure is not guaranteed for access by modules unless * explicitly commented as such in the declaration of the aux struct @@ -182,7 +182,7 @@ * * Example: * - * struct foo_rh { + * struct foo_resvd { * int newly_added; * }; * @@ -194,20 +194,20 @@ * void use(struct foo *f) * { * if (KABI_AUX(f, foo, newly_added)) - * f->_rh->newly_added = 123; + * f->_resvd->newly_added = 123; * else * // the field 'newly_added' is not present in the passed * // struct, fall back to old behavior * f->big_hammer = true; * } * - * static struct foo_rh my_foo_rh { + * static struct foo_resvd my_foo_resvd { * .newly_added = 0; * } * * static struct foo my_foo = { * .big_hammer = false, - * ._rh = &my_foo_rh, + * ._resvd = &my_foo_resvd, * KABI_AUX_INIT_SIZE(foo) * }; * @@ -218,7 +218,7 @@ * * Example: * - * struct foo_rh { + * struct foo_resvd { * }; * * struct foo { @@ -385,7 +385,7 @@ _Static_assert(__alignof__(struct{_new;}) <= __alignof__(struct{_orig;}), \ __FILE__ ":" __stringify(__LINE__) ": " __stringify(_orig) " is not aligned the same as " __stringify(_new) KABI_ALIGN_WARNING); \ } -# define __ABI_CHECK_SIZE(_item, _size) \ +# define __KABI_CHECK_SIZE(_item, _size) \ _Static_assert(sizeof(struct{_item;}) <= _size, \ __FILE__ ":" __stringify(__LINE__) ": " __stringify(_item) " is larger than the reserved size (" __stringify(_size) " bytes)" KABI_ALIGN_WARNING) #else @@ -451,14 +451,14 @@ }) #define _KABI_AUX_PTR(_struct) \ - size_t _struct##_size_rh; \ - _KABI_EXCLUDE(struct _struct##_rh *_rh) + size_t _struct##_size_resvd; \ + _KABI_EXCLUDE(struct _struct##_resvd *_resvd) #define KABI_AUX_PTR(_struct) \ _KABI_AUX_PTR(_struct); #define _KABI_AUX_EMBED(_struct) \ - size_t _struct##_size_rh; \ - _KABI_EXCLUDE(struct _struct##_rh _rh) + size_t _struct##_size_resvd; \ + _KABI_EXCLUDE(struct _struct##_resvd _resvd) #define KABI_AUX_EMBED(_struct) \ _KABI_AUX_EMBED(_struct); @@ -468,7 +468,7 @@ /* * KABI_AUX_SET_SIZE calculates and sets the size of the extended struct and - * stores it in the size_rh field for structs that are dynamically allocated. + * stores it in the size_resvd field for structs that are dynamically allocated. * This macro MUST be called when expanding a base struct with * KABI_SIZE_AND_EXTEND, and it MUST be called from the allocation site * regardless of being allocated in the kernel or a module. @@ -476,28 +476,28 @@ * a semicolon is necessary at the end of the line where it is invoked. */ #define KABI_AUX_SET_SIZE(_name, _struct) ({ \ - (_name)->_struct##_size_rh = sizeof(struct _struct##_rh); \ + (_name)->_struct##_size_resvd = sizeof(struct _struct##_resvd); \ }) /* * KABI_AUX_INIT_SIZE calculates and sets the size of the extended struct and - * stores it in the size_rh field for structs that are statically allocated. + * stores it in the size_resvd field for structs that are statically allocated. * This macro MUST be called when expanding a base struct with * KABI_SIZE_AND_EXTEND, and it MUST be called from the declaration site * regardless of being allocated in the kernel or a module. */ #define KABI_AUX_INIT_SIZE(_struct) \ - ._struct##_size_rh = sizeof(struct _struct##_rh), + ._struct##_size_resvd = sizeof(struct _struct##_resvd), /* * KABI_AUX verifies allocated memory exists. This MUST be called to - * verify that memory in the _rh struct is valid, and can be called + * verify that memory in the _resvd struct is valid, and can be called * regardless if KABI_SIZE_AND_EXTEND or KABI_SIZE_AND_EXTEND_PTR is * used. */ #define KABI_AUX(_ptr, _struct, _field) ({ \ - size_t __off = offsetof(struct _struct##_rh, _field); \ - (_ptr)->_struct##_size_rh > __off ? true : false; \ + size_t __off = offsetof(struct _struct##_resvd, _field); \ + (_ptr)->_struct##_size_resvd > __off ? true : false; \ }) #endif /* _LINUX_KABI_H */ -- 2.20.1

1 124

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by Song Zhi 07 Jan '22

07 Jan '22

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1 0

[PATCH openEuler-5.10 1/2] arm64: Add support for memmap kernel parameters
by Zheng Zengkai 07 Jan '22

07 Jan '22

From: Peng Liu <liupeng256(a)huawei.com> hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I4NYPZ CVE: NA ------------------------------------------------- Add support for memmap kernel parameters for ARM64. The three below modes are supported: memmap=exactmap Enable setting of an exact memory map, as specified by the user. memmap=nn[KMG]@ss[KMG] Force usage of a specific region of memory. memmap=nn[KMG]$ss[KMG] Region of memory to be reserved is from ss to ss+nn, the region must be in the range of existed memory, otherwise will be ignored. If users set memmap=exactmap before memmap=nn[KMG]@ss[KMG], they will get the exact memory specified by memmap=nn[KMG]@ss[KMG]. For example, on one machine with 4GB memory, "memmap=exactmap memmap=1G@1G" will make kernel use the memory from 1GB to 2GB only. Signed-off-by: Peng Liu <liupeng256(a)huawei.com> Reviewed-by: Kefeng Wang <wangkefeng.wang(a)huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> --- .../admin-guide/kernel-parameters.txt | 9 ++- arch/arm64/mm/init.c | 59 +++++++++++++++++++ 2 files changed, 65 insertions(+), 3 deletions(-) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index de8f7d447295..64be32ba4373 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -2794,8 +2794,8 @@ option. See Documentation/admin-guide/mm/memory-hotplug.rst. - memmap=exactmap [KNL,X86] Enable setting of an exact - E820 memory map, as specified by the user. + memmap=exactmap [KNL,X86,ARM64] Enable setting of an exact + E820 and ARM64 memory map, as specified by the user. Such memmap=exactmap lines can be constructed based on BIOS output or other requirements. See the memmap=nn@ss option description. @@ -2806,7 +2806,8 @@ If @ss[KMG] is omitted, it is equivalent to mem=nn[KMG], which limits max address to nn[KMG]. Multiple different regions can be specified, - comma delimited. + comma delimited, example as follows is not supported to + ARM64. Example: memmap=100M@2G,100M#3G,1G!1024G @@ -2817,6 +2818,8 @@ memmap=nn[KMG]$ss[KMG] [KNL,ACPI] Mark specific memory as reserved. Region of memory to be reserved is from ss to ss+nn. + For ARM64, reserved memory must be in the range of + existed memory. Example: Exclude memory from 0x18690000-0x1869ffff memmap=64K$0x18690000 or diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index e8d446164c76..f59546d3b0de 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -404,6 +404,65 @@ static int __init reserve_park_mem(void) } #endif +static int need_remove_real_memblock __initdata; + +static int __init parse_memmap_one(char *p) +{ + char *oldp; + u64 start_at, mem_size; + + if (!p) + return -EINVAL; + + if (!strncmp(p, "exactmap", 8)) { + need_remove_real_memblock = 1; + return -EINVAL; + } + + oldp = p; + mem_size = memparse(p, &p); + if (p == oldp) + return -EINVAL; + + if (!mem_size) + return -EINVAL; + + if (*p == '@') { + start_at = memparse(p + 1, &p); + /* + * use the exactmap defined by nn[KMG]@ss[KMG], remove + * memblock populated by DT etc. + */ + if (need_remove_real_memblock) { + need_remove_real_memblock = 0; + memblock_remove(0, ULLONG_MAX); + } + memblock_add(start_at, mem_size); + } else if (*p == '$') { + start_at = memparse(p + 1, &p); + memblock_reserve(start_at, mem_size); + } else + pr_info("Unrecognized memmap option, please check the parameter.\n"); + + return *p == '\0' ? 0 : -EINVAL; +} + +static int __init parse_memmap_opt(char *str) +{ + while (str) { + char *k = strchr(str, ','); + + if (k) + *k++ = 0; + + parse_memmap_one(str); + str = k; + } + + return 0; +} +early_param("memmap", parse_memmap_opt); + void __init arm64_memblock_init(void) { const s64 linear_region_size = BIT(vabits_actual - 1); -- 2.20.1

1 1

[PATCH openEuler-1.0-LTS] Add new module parameters:time out
by Yanling Song 07 Jan '22

07 Jan '22

Ramaxel inclusion category: features bugzilla: https://gitee.com/openeuler/kernel/issues/I4ON8F CVE: NA Changes: 1. Split scmd_tmout_nonpt into two parameters: scmd_tmout_vd/scmd_tmout_rawdisk 2. Return -ETIME instead of -EINVAL when command is timeout. 3. Add one module parameters: max_io_force. Signed-off-by: Yanling Song <songyl(a)ramaxel.com> Reviewed-by: Jiang Yu<yujiang(a)ramaxel.com> --- drivers/scsi/spraid/spraid_main.c | 96 +++++++++++++++---------------- 1 file changed, 45 insertions(+), 51 deletions(-) diff --git a/drivers/scsi/spraid/spraid_main.c b/drivers/scsi/spraid/spraid_main.c index 519b39f44e91..7069582d741a 100644 --- a/drivers/scsi/spraid/spraid_main.c +++ b/drivers/scsi/spraid/spraid_main.c @@ -42,10 +42,17 @@ static u32 admin_tmout = 60; module_param(admin_tmout, uint, 0644); MODULE_PARM_DESC(admin_tmout, "admin commands timeout (seconds)"); -static u32 scmd_tmout_nonpt = 180; -module_param(scmd_tmout_nonpt, uint, 0644); -MODULE_PARM_DESC(scmd_tmout_nonpt, - "scsi commands timeout for rawdisk&raid(seconds)"); +static u32 scmd_tmout_rawdisk = 180; +module_param(scmd_tmout_rawdisk, uint, 0644); +MODULE_PARM_DESC(scmd_tmout_rawdisk, "scsi commands timeout for rawdisk(seconds)"); + +static u32 scmd_tmout_vd = 180; +module_param(scmd_tmout_vd, uint, 0644); +MODULE_PARM_DESC(scmd_tmout_vd, "scsi commands timeout for vd(seconds)"); + +static bool max_io_force; +module_param(max_io_force, bool, 0644); +MODULE_PARM_DESC(max_io_force, "force max_hw_sectors_kb = 1024, default false(performance first)"); static int ioq_depth_set(const char *val, const struct kernel_param *kp); static const struct kernel_param_ops ioq_depth_ops = { @@ -78,7 +85,7 @@ static unsigned char log_debug_switch; module_param_cb(log_debug_switch, &log_debug_switch_ops, &log_debug_switch, 0644); MODULE_PARM_DESC(log_debug_switch, - "set log state, default non-zero for switch on"); + "set log state, default zero for switch off"); static int small_pool_num_set(const char *val, const struct kernel_param *kp) { @@ -132,7 +139,6 @@ static struct workqueue_struct *spraid_wq; #define SPRAID_DRV_VERSION "1.0.0.0" #define ADMIN_TIMEOUT (admin_tmout * HZ) -#define ADMIN_ERR_TIMEOUT 32757 #define SPRAID_WAIT_ABNL_CMD_TIMEOUT (3 * 2) @@ -242,13 +248,6 @@ static int spraid_pci_enable(struct spraid_dev *hdev) goto disable; } - ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES); - if (ret < 0) { - dev_err(hdev->dev, - "Allocate one IRQ for setup admin channel failed\n"); - goto disable; - } - hdev->cap = lo_hi_readq(hdev->bar + SPRAID_REG_CAP); hdev->ioq_depth = min_t(u32, SPRAID_CAP_MQES(hdev->cap) + 1, io_queue_depth); @@ -261,13 +260,21 @@ static int spraid_pci_enable(struct spraid_dev *hdev) maskbit); maskbit = SPRAID_DMA_MSK_BIT_MAX; } - if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(maskbit))) { + if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(maskbit)) && + dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32))) { dev_err(hdev->dev, "set dma mask and coherent failed\n"); goto disable; } dev_info(hdev->dev, "set dma mask[%llu] success\n", maskbit); + ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES); + + if (ret < 0) { + dev_err(hdev->dev, "Allocate one IRQ for setup admin channel failed\n"); + goto disable; + } + pci_enable_pcie_error_reporting(pdev); pci_save_state(pdev); @@ -840,6 +847,9 @@ static void spraid_map_status(struct spraid_iod *iod, struct scsi_cmnd *scmd, break; default: set_host_byte(scmd, DID_BAD_TARGET); + dev_warn(iod->spraidq->hdev->dev, "[%s] cid[%d] qid[%d];" + "bad status[0x%x]\n", __func__, cqe->cmd_id, + le16_to_cpu(cqe->sq_id), le16_to_cpu(cqe->status)); break; } } @@ -981,32 +991,17 @@ static void spraid_slave_destroy(struct scsi_device *sdev) static int spraid_slave_configure(struct scsi_device *sdev) { - u16 idx; - unsigned int timeout = scmd_tmout_nonpt * HZ; + unsigned int timeout = scmd_tmout_rawdisk * HZ; struct spraid_dev *hdev = shost_priv(sdev->host); struct spraid_sdev_hostdata *hostdata = sdev->hostdata; u32 max_sec = sdev->host->max_sectors; if (hostdata) { - idx = hostdata->hdid - 1; - if (sdev->channel == hdev->devices[idx].channel && - sdev->id == le16_to_cpu(hdev->devices[idx].target) && - sdev->lun < hdev->devices[idx].lun) { - if (SPRAID_DEV_INFO_ATTR_PT(hdev->devices[idx].attr)) - timeout = 30 * HZ; - else - timeout = scmd_tmout_nonpt * HZ; - max_sec = le16_to_cpu(hdev->devices[idx].max_io_kb) - << 1; - } else { - dev_err(hdev->dev, - "[%s] err, sdev->channel:id:lun[%d:%d:%lld];" - "devices[%d], channel:target:lun[%d:%d:%d]\n", - __func__, sdev->channel, sdev->id, sdev->lun, - idx, hdev->devices[idx].channel, - hdev->devices[idx].target, - hdev->devices[idx].lun); - } + if (SPRAID_DEV_INFO_ATTR_VD(hostdata->attr)) + timeout = scmd_tmout_vd * HZ; + else if (SPRAID_DEV_INFO_ATTR_RAWDISK(hostdata->attr)) + timeout = scmd_tmout_rawdisk * HZ; + max_sec = hostdata->max_io_kb << 1; } else { dev_err(hdev->dev, "[%s] err, sdev->hostdata is null\n", __func__); @@ -1018,11 +1013,12 @@ static int spraid_slave_configure(struct scsi_device *sdev) if ((max_sec == 0) || (max_sec > sdev->host->max_sectors)) max_sec = sdev->host->max_sectors; - dev_info(hdev->dev, - "[%s] sdev->channel:id:lun[%d:%d:%lld];" - " scmd_timeout[%d]s, maxsec[%d]\n", - __func__, sdev->channel, sdev->id, - sdev->lun, timeout / HZ, max_sec); + if (!max_io_force) + blk_queue_max_hw_sectors(sdev->request_queue, max_sec); + + dev_info(hdev->dev, "[%s] sdev->channel:id:lun[%d:%d:%lld];" + "scmd_timeout[%d]s, maxsec[%d]\n", __func__, sdev->channel, + sdev->id, sdev->lun, timeout / HZ, max_sec); return 0; } @@ -1677,7 +1673,7 @@ static int spraid_submit_admin_sync_cmd(struct spraid_dev *hdev, cmd->usr_cmd.opcode, cmd->usr_cmd.info_0.subopcode); WRITE_ONCE(adm_cmd->state, SPRAID_CMD_TIMEOUT); spraid_put_cmd(hdev, adm_cmd, SPRAID_CMD_ADM); - return -EINVAL; + return -ETIME; } if (result0) @@ -2630,9 +2626,6 @@ static int spraid_user_admin_cmd(struct spraid_dev *hdev, struct bsg_job *job) return -EBUSY; } - dev_info(hdev->dev, "[%s] opcode[0x%x] subopcode[0x%x] init\n", - __func__, cmd->opcode, cmd->info_0.subopcode); - memset(&admin_cmd, 0, sizeof(admin_cmd)); admin_cmd.common.opcode = cmd->opcode; admin_cmd.common.flags = cmd->flags; @@ -2659,10 +2652,11 @@ static int spraid_user_admin_cmd(struct spraid_dev *hdev, struct bsg_job *job) memcpy(job->reply, result, sizeof(result)); } - dev_info(hdev->dev, "[%s] opcode[0x%x] subopcode[0x%x];" - " status[0x%x] result0[0x%x] result1[0x%x]\n", - __func__, cmd->opcode, cmd->info_0.subopcode, - status, result[0], result[1]); + if (status) + dev_info(hdev->dev, "[%s] opcode[0x%x] subopcode[0x%x];" + " status[0x%x] result0[0x%x] result1[0x%x]\n", + __func__, cmd->opcode, cmd->info_0.subopcode, + status, result[0], result[1]); spraid_bsg_unmap_data(hdev, job); @@ -2742,7 +2736,7 @@ static int spraid_submit_ioq_sync_cmd(struct spraid_dev *hdev, (le32_to_cpu(cmd->common.cdw3[0]) & 0xffff)); WRITE_ONCE(pt_cmd->state, SPRAID_CMD_TIMEOUT); spraid_put_cmd(hdev, pt_cmd, SPRAID_CMD_IOPT); - return -EINVAL; + return -ETIME; } if (result && reslen) { @@ -3140,7 +3134,7 @@ static int spraid_abort_handler(struct scsi_cmnd *scmd) dev_warn(hdev->dev, "cid[%d] qid[%d] timeout, aborting\n", cid, hwq); ret = spraid_send_abort_cmd(hdev, hostdata->hdid, hwq, cid); - if (ret != ADMIN_ERR_TIMEOUT) { + if (ret != -ETIME) { ret = spraid_wait_abnl_cmd_done(iod); if (ret) { dev_warn(hdev->dev, "cid[%d] qid[%d] abort failed;" @@ -3623,7 +3617,7 @@ static int spraid_bsg_host_dispatch(struct bsg_job *job) struct spraid_bsg_request *bsg_req = job->request; int ret = 0; - dev_info(hdev->dev, "[%s] msgcode[%d], msglen[%d], timeout[%d];" + dev_log_dbg(hdev->dev, "[%s] msgcode[%d], msglen[%d], timeout[%d];" " req_nsge[%d], req_len[%d]\n", __func__, bsg_req->msgcode, job->request_len, rq->timeout, job->request_payload.sg_cnt, -- 2.27.0

1 0

[PATCH openEuler-1.0-LTS 1/2] arm64/mpam: fix mpam probe error for wrong init order
by Yang Yingliang 06 Jan '22

06 Jan '22

From: Xingang Wang <wangxingang5(a)huawei.com> ascend inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I49RB2 CVE: NA --------------------------------------------------- The mpam init procedure failed when probe with ACPI: [ 1.148657 ] ACPI MPAM: No CPU has cache with PPTT reference 0x72 [ 1.148658 ] ACPI MPAM: All CPUs must be online to probe mpam. [ 1.148660 ] ACPI MPAM: discovery failed: -19 This is because mpam need to be probed after all cpus be online, the arm_mpam_driver_init must be called after cacheinfo_sysfs_init, so the device_initcall should be replaced with device_initcall_sync. Fixes: b45bdb5a8604 ("arm64/mpam: add device tree support for mpam initialization") Signed-off-by: Xingang Wang <wangxingang5(a)huawei.com> Reviewed-by: Wang ShaoBo <bobo.shaobowang(a)huawei.com> Reviewed-by: Cheng Jian <cj.chengjian(a)huawei.com> Signed-off-by: Yang Yingliang <yangyingliang(a)huawei.com> --- arch/arm64/kernel/mpam/mpam_device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kernel/mpam/mpam_device.c b/arch/arm64/kernel/mpam/mpam_device.c index 4910e99348798..c7b5c50d431bd 100644 --- a/arch/arm64/kernel/mpam/mpam_device.c +++ b/arch/arm64/kernel/mpam/mpam_device.c @@ -1876,4 +1876,4 @@ static int __init arm_mpam_driver_init(void) * We want to run after cacheinfo_sysfs_init() has caused the cacheinfo * structures to be populated. That runs as a device_initcall. */ -device_initcall(arm_mpam_driver_init); +device_initcall_sync(arm_mpam_driver_init); -- 2.25.1

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[PATCH openEuler-5.10 0/2] Add CONFIG_KABI_RESERVE to control KABI
by Zheng Zengkai 06 Jan '22

06 Jan '22

Add CONFIG_KABI_RESERVE to control KABI padding reserve and enable it by default. Zheng Zengkai (2): KABI: Add CONFIG_KABI_RESERVE to control KABI padding reserve openeuler_defconfig: Enable CONFIG_KABI_RESERVE for x86 and arm64 Kconfig | 8 ++++++++ arch/arm64/configs/openeuler_defconfig | 1 + arch/x86/configs/openeuler_defconfig | 1 + include/linux/kabi.h | 6 +++++- 4 files changed, 15 insertions(+), 1 deletion(-) -- 2.20.1

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