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[PATCH OLK-6.6] arm64: errata: add option to disable cache readunique prefetch on HIP08
by Yang Yingliang 04 Dec '23

04 Dec '23

From: Kai Shen <shenkai8(a)huawei.com> hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I3ZFV2 CVE: NA ----------------------------------------------------------- Random performance decreases appear on cases of Hackbench which test pipe or socket communication among multi-threads on Hisi HIP08 SoC. Cache sharing which caused by the change of the data layout and the cache readunique prefetch mechanism both lead to this problem. Readunique mechanism which may caused by store operation will invalid cachelines on other cores during data fetching stage which can cause cacheline invalidation happens frequently in a sharing data access situation. Disable cache readunique prefetch can trackle this problem. Test cases are like: for i in 20;do echo "--------pipe thread num=$i----------" for j in $(seq 1 10);do ./hackbench -pipe $i thread 1000 done done We disable readunique prefetch only in el2 for in el1 disabling readunique prefetch may cause panic due to lack of related priority which often be set in BIOS. Introduce CONFIG_HISILICON_ERRATUM_HIP08_RU_PREFETCH and disable RU prefetch using boot cmdline 'readunique_prefetch=off'. Signed-off-by: Kai Shen <shenkai8(a)huawei.com> Signed-off-by: Hanjun Guo <guohanjun(a)huawei.com> [XQ: adjusted context] Signed-off-by: Xie XiuQi <xiexiuqi(a)huawei.com> Reviewed-by: Hanjun Guo <guohanjun(a)huawei.com> Signed-off-by: Cheng Jian <cj.chengjian(a)huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> Signed-off-by: Yang Yingliang <yangyingliang(a)huawei.com> --- arch/arm64/Kconfig | 18 +++++++++++ arch/arm64/kernel/cpu_errata.c | 56 ++++++++++++++++++++++++++++++++++ arch/arm64/tools/cpucaps | 1 + 3 files changed, 75 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 78f20e632712..bbe85ca456c9 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1229,6 +1229,24 @@ config SOCIONEXT_SYNQUACER_PREITS If unsure, say Y. +config HISILICON_ERRATUM_HIP08_RU_PREFETCH + bool "HIP08 RU: HiSilicon HIP08 cache readunique might cause performance drop" + default y + help + The HiSilicon HIP08 cache readunique might compromise performance, + use cmdline "readunique_prefetch_disable" to disable RU prefetch. + + If unsure, say Y. + +config HISILICON_HIP08_RU_PREFETCH_DEFAULT_OFF + bool "HIP08 RU: disable HiSilicon HIP08 cache readunique by default" + depends on HISILICON_ERRATUM_HIP08_RU_PREFETCH + default n + help + Disable HiSilicon HIP08 cache readunique by default. + + If unsure, say N. + endmenu # "ARM errata workarounds via the alternatives framework" choice diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index 5706e74c5578..6a2ae67e85f7 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -13,6 +13,11 @@ #include <asm/cpufeature.h> #include <asm/kvm_asm.h> #include <asm/smp_plat.h> +#ifdef CONFIG_HISILICON_ERRATUM_HIP08_RU_PREFETCH +#include <asm/ptrace.h> +#include <asm/sysreg.h> +#include <linux/smp.h> +#endif static bool __maybe_unused is_affected_midr_range(const struct arm64_cpu_capabilities *entry, int scope) @@ -121,6 +126,48 @@ cpu_enable_cache_maint_trap(const struct arm64_cpu_capabilities *__unused) sysreg_clear_set(sctlr_el1, SCTLR_EL1_UCI, 0); } +#ifdef CONFIG_HISILICON_ERRATUM_HIP08_RU_PREFETCH +# ifdef CONFIG_HISILICON_HIP08_RU_PREFETCH_DEFAULT_OFF +static bool readunique_prefetch_enabled; +# else +static bool readunique_prefetch_enabled = true; +# endif +static int __init readunique_prefetch_switch(char *data) +{ + if (!data) + return -EINVAL; + + if (strcmp(data, "off") == 0) + readunique_prefetch_enabled = false; + else if (strcmp(data, "on") == 0) + readunique_prefetch_enabled = true; + else + return -EINVAL; + + return 0; +} +early_param("readunique_prefetch", readunique_prefetch_switch); + +static bool +should_disable_hisi_hip08_ru_prefetch(const struct arm64_cpu_capabilities *entry, int unused) +{ + u64 el; + + if (readunique_prefetch_enabled) + return false; + + el = read_sysreg(CurrentEL); + return el == CurrentEL_EL2; +} + +#define CTLR_HISI_HIP08_RU_PREFETCH (1L << 40) +static void __maybe_unused +hisi_hip08_ru_prefetch_disable(const struct arm64_cpu_capabilities *__unused) +{ + sysreg_clear_set(S3_1_c15_c6_4, 0, CTLR_HISI_HIP08_RU_PREFETCH); +} +#endif + static DEFINE_RAW_SPINLOCK(reg_user_mask_modification); static void __maybe_unused cpu_clear_bf16_from_user_emulation(const struct arm64_cpu_capabilities *__unused) @@ -744,6 +791,15 @@ const struct arm64_cpu_capabilities arm64_errata[] = { .capability = ARM64_WORKAROUND_AMPERE_AC03_CPU_38, ERRATA_MIDR_ALL_VERSIONS(MIDR_AMPERE1), }, +#endif +#ifdef CONFIG_HISILICON_ERRATUM_HIP08_RU_PREFETCH + { + .desc = "HiSilicon HIP08 Cache Readunique Prefetch Disable", + .capability = ARM64_WORKAROUND_HISI_HIP08_RU_PREFETCH, + ERRATA_MIDR_ALL_VERSIONS(MIDR_HISI_TSV110), + .matches = should_disable_hisi_hip08_ru_prefetch, + .cpu_enable = hisi_hip08_ru_prefetch_disable, + }, #endif { } diff --git a/arch/arm64/tools/cpucaps b/arch/arm64/tools/cpucaps index dea3dc89234b..bbb97036074b 100644 --- a/arch/arm64/tools/cpucaps +++ b/arch/arm64/tools/cpucaps @@ -100,3 +100,4 @@ WORKAROUND_NVIDIA_CARMEL_CNP WORKAROUND_QCOM_FALKOR_E1003 WORKAROUND_REPEAT_TLBI WORKAROUND_SPECULATIVE_AT +WORKAROUND_HISI_HIP08_RU_PREFETCH -- 2.25.1

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[PATCH OLK-5.10 0/3] scsi: scsi_device_gets returns failure
by Li Lingfeng 04 Dec '23

04 Dec '23

If scsi is compiled as a module, scsi_device_gets returns failure when the module is NULL. Li Lingfeng (2): scsi: don't fail if hostt->module is NULL scsi: fix kabi broken in struct Scsi_Host Zhong Jinghua (1): scsi: scsi_device_gets returns failure when the module is NULL. drivers/scsi/hosts.c | 3 +++ drivers/scsi/scsi.c | 6 +++++- include/scsi/scsi_host.h | 2 +- 3 files changed, 9 insertions(+), 2 deletions(-) -- 2.31.1

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openEuler Kernel SIG双周例会
by openEuler conference 04 Dec '23

04 Dec '23

您好！ Kernel SIG 邀请您参加 2023-12-08 14:00 召开的WeLink会议(自动录制) 会议主题：openEuler Kernel SIG双周例会会议内容： 1. 进展update 2. 议题征集中（新增议题可回复邮件申报，也可直接填至会议看板）会议链接：https://bmeeting.huaweicloud.com:36443/#/j/981980862 会议纪要：https://etherpad.openeuler.org/p/Kernel-meetings 温馨提醒：建议接入会议后修改参会人的姓名，也可以使用您在gitee.com的ID 更多资讯尽在：https://openeuler.org/zh/ Hello! openEuler Kernel SIG invites you to attend the WeLink conference(auto recording) will be held at 2023-12-08 14:00, The subject of the conference is openEuler Kernel SIG双周例会, Summary: 1. 进展update 2. 议题征集中（新增议题可回复邮件申报，也可直接填至会议看板） You can join the meeting at https://bmeeting.huaweicloud.com:36443/#/j/981980862. Add topics at https://etherpad.openeuler.org/p/Kernel-meetings. Note: You are advised to change the participant name after joining the conference or use your ID at gitee.com. More information: https://openeuler.org/en/

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[openEuler-1.0-LTS] net: prevent rewrite of msg_name in sock_sendmsg()
by Lu Wei 04 Dec '23

04 Dec '23

From: Jordan Rife <jrife(a)google.com> stable inclusion from stable-v4.19.297 commit 3d62f2577c7414e5b94e4baad6eb621165960f30 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I8EZY4 CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 86a7e0b69bd5b812e48a20c66c2161744f3caa16 ] Callers of sock_sendmsg(), and similarly kernel_sendmsg(), in kernel space may observe their value of msg_name change in cases where BPF sendmsg hooks rewrite the send address. This has been confirmed to break NFS mounts running in UDP mode and has the potential to break other systems. This patch: 1) Creates a new function called __sock_sendmsg() with same logic as the old sock_sendmsg() function. 2) Replaces calls to sock_sendmsg() made by __sys_sendto() and __sys_sendmsg() with __sock_sendmsg() to avoid an unnecessary copy, as these system calls are already protected. 3) Modifies sock_sendmsg() so that it makes a copy of msg_name if present before passing it down the stack to insulate callers from changes to the send address. Link: https://lore.kernel.org/netdev/20230912013332.2048422-1-jrife@google.com/ Fixes: 1cedee13d25a ("bpf: Hooks for sys_sendmsg") Cc: stable(a)vger.kernel.org Reviewed-by: Willem de Bruijn <willemb(a)google.com> Signed-off-by: Jordan Rife <jrife(a)google.com> Reviewed-by: Simon Horman <horms(a)kernel.org> Signed-off-by: David S. Miller <davem(a)davemloft.net> Signed-off-by: Sasha Levin <sashal(a)kernel.org> conflict: net/socket.c Signed-off-by: Lu Wei <luwei32(a)huawei.com> --- net/socket.c | 29 +++++++++++++++++++++++------ 1 file changed, 23 insertions(+), 6 deletions(-) diff --git a/net/socket.c b/net/socket.c index 3d3632fe4a34..0cc52ba0b0e2 100644 --- a/net/socket.c +++ b/net/socket.c @@ -637,6 +637,14 @@ void __sock_tx_timestamp(__u16 tsflags, __u8 *tx_flags) } EXPORT_SYMBOL(__sock_tx_timestamp); +static int __sock_sendmsg(struct socket *sock, struct msghdr *msg) +{ + int err = security_socket_sendmsg(sock, msg, + msg_data_left(msg)); + + return err ?: sock_sendmsg_nosec(sock, msg); +} + /** * sock_sendmsg - send a message through @sock * @sock: socket @@ -655,10 +663,19 @@ static inline int sock_sendmsg_nosec(struct socket *sock, struct msghdr *msg) int sock_sendmsg(struct socket *sock, struct msghdr *msg) { - int err = security_socket_sendmsg(sock, msg, - msg_data_left(msg)); + struct sockaddr_storage *save_addr = (struct sockaddr_storage *)msg->msg_name; + struct sockaddr_storage address; + int ret; - return err ?: sock_sendmsg_nosec(sock, msg); + if (msg->msg_name) { + memcpy(&address, msg->msg_name, msg->msg_namelen); + msg->msg_name = &address; + } + + ret = __sock_sendmsg(sock, msg); + msg->msg_name = save_addr; + + return ret; } EXPORT_SYMBOL(sock_sendmsg); @@ -963,7 +980,7 @@ static ssize_t sock_write_iter(struct kiocb *iocb, struct iov_iter *from) if (sock->type == SOCK_SEQPACKET) msg.msg_flags |= MSG_EOR; - res = sock_sendmsg(sock, &msg); + res = __sock_sendmsg(sock, &msg); *from = msg.msg_iter; return res; } @@ -1940,7 +1957,7 @@ int __sys_sendto(int fd, void __user *buff, size_t len, unsigned int flags, if (sock->file->f_flags & O_NONBLOCK) flags |= MSG_DONTWAIT; msg.msg_flags = flags; - err = sock_sendmsg(sock, &msg); + err = __sock_sendmsg(sock, &msg); out_put: fput_light(sock->file, fput_needed); @@ -2272,7 +2289,7 @@ static int ____sys_sendmsg(struct socket *sock, struct msghdr *msg_sys, err = sock_sendmsg_nosec(sock, msg_sys); goto out_freectl; } - err = sock_sendmsg(sock, msg_sys); + err = __sock_sendmsg(sock, msg_sys); /* * If this is sendmmsg() and sending to current destination address was * successful, remember it. -- 2.34.1

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[PATCH OLK-5.10 0/3] scsi: scsi_device_gets returns failure
by Li Lingfeng 04 Dec '23

04 Dec '23

If scsi is compiled as a module, scsi_device_gets returns failure when the module is NULL. Li Lingfeng (2): scsi: don't fail if hostt->module is NULL scsi: fix kabi broken in struct Scsi_Host Zhong Jinghua (1): scsi: scsi_device_gets returns failure when the module is NULL. drivers/scsi/hosts.c | 3 +++ drivers/scsi/scsi.c | 6 +++++- include/scsi/scsi_host.h | 2 +- 3 files changed, 9 insertions(+), 2 deletions(-) -- 2.31.1

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[PATCH OLK-6.6 0/5] xfs: fix some misc issue
by Long Li 04 Dec '23

04 Dec '23

Long Li (5): xfs: fix a UAF when inode item push xfs: fix a UAF in xfs_iflush_abort_clean xfs: fix dir3 block read verify fail during log recover xfs: don't verify agf length when log recovery xfs: xfs_trans_cancel() path must check for log shutdown fs/xfs/libxfs/xfs_alloc.c | 3 ++- fs/xfs/xfs_buf.c | 5 +++++ fs/xfs/xfs_buf_item_recover.c | 9 +++------ fs/xfs/xfs_inode_item.c | 8 +++++++- fs/xfs/xfs_trans.c | 2 +- 5 files changed, 18 insertions(+), 9 deletions(-) -- 2.31.1

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[PATCH OLK-6.6 v2 0/3] Introduce NEON implementation of CRCT10DIF algorithm
by GUO Zihua 04 Dec '23

04 Dec '23

This patchset introduces ARM64 NEON implementation of CRC T10 DIF algorithm. This algorithm could be enabled by enabling CONFIG_CRYPTO_CRCT10DIF_ARM64_NEON, and the compiled KO is named crct10dif-neon.ko GUO Zihua (2): arm64/crypto: Introduce individual config for CRCT10DIF-NEON algorithm crypto: crct10dif-neon - fix use via crypto_shash_digest() YueHaibing (1): arm64/crypto: Accelerated CRC T10 DIF computation arch/arm64/crypto/Kconfig | 10 + arch/arm64/crypto/Makefile | 4 + arch/arm64/crypto/crct10dif-neon-asm_64.S | 752 ++++++++++++++++++++++ arch/arm64/crypto/crct10dif-neon_glue.c | 114 ++++ 4 files changed, 880 insertions(+) create mode 100644 arch/arm64/crypto/crct10dif-neon-asm_64.S create mode 100644 arch/arm64/crypto/crct10dif-neon_glue.c -- 2.34.1

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[PATCH OLK-6.6] arm64: errata: add option to disable cache readunique prefetch on HIP08
by Yang Yingliang 04 Dec '23

04 Dec '23

From: Kai Shen <shenkai8(a)huawei.com> hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I3ZFV2 CVE: NA ----------------------------------------------------------- Random performance decreases appear on cases of Hackbench which test pipe or socket communication among multi-threads on Hisi HIP08 SoC. Cache sharing which caused by the change of the data layout and the cache readunique prefetch mechanism both lead to this problem. Readunique mechanism which may caused by store operation will invalid cachelines on other cores during data fetching stage which can cause cacheline invalidation happens frequently in a sharing data access situation. Disable cache readunique prefetch can trackle this problem. Test cases are like: for i in 20;do echo "--------pipe thread num=$i----------" for j in $(seq 1 10);do ./hackbench -pipe $i thread 1000 done done We disable readunique prefetch only in el2 for in el1 disabling readunique prefetch may cause panic due to lack of related priority which often be set in BIOS. Introduce CONFIG_HISILICON_ERRATUM_HIP08_RU_PREFETCH and disable RU prefetch using boot cmdline 'readunique_prefetch=off'. Signed-off-by: Kai Shen <shenkai8(a)huawei.com> Signed-off-by: Hanjun Guo <guohanjun(a)huawei.com> [XQ: adjusted context] Signed-off-by: Xie XiuQi <xiexiuqi(a)huawei.com> Reviewed-by: Hanjun Guo <guohanjun(a)huawei.com> Signed-off-by: Cheng Jian <cj.chengjian(a)huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> Signed-off-by: Yang Yingliang <yangyingliang(a)huawei.com> --- arch/arm64/Kconfig | 18 +++++++++++ arch/arm64/kernel/cpu_errata.c | 56 ++++++++++++++++++++++++++++++++++ arch/arm64/tools/cpucaps | 1 + 3 files changed, 75 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 78f20e632712..bbe85ca456c9 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1229,6 +1229,24 @@ config SOCIONEXT_SYNQUACER_PREITS If unsure, say Y. +config HISILICON_ERRATUM_HIP08_RU_PREFETCH + bool "HIP08 RU: HiSilicon HIP08 cache readunique might cause performance drop" + default y + help + The HiSilicon HIP08 cache readunique might compromise performance, + use cmdline "readunique_prefetch_disable" to disable RU prefetch. + + If unsure, say Y. + +config HISILICON_HIP08_RU_PREFETCH_DEFAULT_OFF + bool "HIP08 RU: disable HiSilicon HIP08 cache readunique by default" + depends on HISILICON_ERRATUM_HIP08_RU_PREFETCH + default n + help + Disable HiSilicon HIP08 cache readunique by default. + + If unsure, say N. + endmenu # "ARM errata workarounds via the alternatives framework" choice diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index 5706e74c5578..6a2ae67e85f7 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -13,6 +13,11 @@ #include <asm/cpufeature.h> #include <asm/kvm_asm.h> #include <asm/smp_plat.h> +#ifdef CONFIG_HISILICON_ERRATUM_HIP08_RU_PREFETCH +#include <asm/ptrace.h> +#include <asm/sysreg.h> +#include <linux/smp.h> +#endif static bool __maybe_unused is_affected_midr_range(const struct arm64_cpu_capabilities *entry, int scope) @@ -121,6 +126,48 @@ cpu_enable_cache_maint_trap(const struct arm64_cpu_capabilities *__unused) sysreg_clear_set(sctlr_el1, SCTLR_EL1_UCI, 0); } +#ifdef CONFIG_HISILICON_ERRATUM_HIP08_RU_PREFETCH +# ifdef CONFIG_HISILICON_HIP08_RU_PREFETCH_DEFAULT_OFF +static bool readunique_prefetch_enabled; +# else +static bool readunique_prefetch_enabled = true; +# endif +static int __init readunique_prefetch_switch(char *data) +{ + if (!data) + return -EINVAL; + + if (strcmp(data, "off") == 0) + readunique_prefetch_enabled = false; + else if (strcmp(data, "on") == 0) + readunique_prefetch_enabled = true; + else + return -EINVAL; + + return 0; +} +early_param("readunique_prefetch", readunique_prefetch_switch); + +static bool +should_disable_hisi_hip08_ru_prefetch(const struct arm64_cpu_capabilities *entry, int unused) +{ + u64 el; + + if (readunique_prefetch_enabled) + return false; + + el = read_sysreg(CurrentEL); + return el == CurrentEL_EL2; +} + +#define CTLR_HISI_HIP08_RU_PREFETCH (1L << 40) +static void __maybe_unused +hisi_hip08_ru_prefetch_disable(const struct arm64_cpu_capabilities *__unused) +{ + sysreg_clear_set(S3_1_c15_c6_4, 0, CTLR_HISI_HIP08_RU_PREFETCH); +} +#endif + static DEFINE_RAW_SPINLOCK(reg_user_mask_modification); static void __maybe_unused cpu_clear_bf16_from_user_emulation(const struct arm64_cpu_capabilities *__unused) @@ -744,6 +791,15 @@ const struct arm64_cpu_capabilities arm64_errata[] = { .capability = ARM64_WORKAROUND_AMPERE_AC03_CPU_38, ERRATA_MIDR_ALL_VERSIONS(MIDR_AMPERE1), }, +#endif +#ifdef CONFIG_HISILICON_ERRATUM_HIP08_RU_PREFETCH + { + .desc = "HiSilicon HIP08 Cache Readunique Prefetch Disable", + .capability = ARM64_WORKAROUND_HISI_HIP08_RU_PREFETCH, + ERRATA_MIDR_ALL_VERSIONS(MIDR_HISI_TSV110), + .matches = should_disable_hisi_hip08_ru_prefetch, + .cpu_enable = hisi_hip08_ru_prefetch_disable, + }, #endif { } diff --git a/arch/arm64/tools/cpucaps b/arch/arm64/tools/cpucaps index dea3dc89234b..bbb97036074b 100644 --- a/arch/arm64/tools/cpucaps +++ b/arch/arm64/tools/cpucaps @@ -100,3 +100,4 @@ WORKAROUND_NVIDIA_CARMEL_CNP WORKAROUND_QCOM_FALKOR_E1003 WORKAROUND_REPEAT_TLBI WORKAROUND_SPECULATIVE_AT +WORKAROUND_HISI_HIP08_RU_PREFETCH -- 2.25.1

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[PATCH OLK-6.6 v2 0/4] add redis sockmap sample code
by Zhengchao Shao 04 Dec '23

04 Dec '23

add redis sockmap sample code. Liu Jian (4): cgroup: make cgroup_bpf_prog_attach work when cgroup2 is not mounted net: let sockops can use bpf_get_current_comm() net: add local_skb parameter to identify local tcp connection tools: add sample sockmap code for redis include/linux/cgroup.h | 1 + include/linux/filter.h | 3 + include/linux/skbuff.h | 5 + include/uapi/linux/bpf.h | 1 + kernel/bpf/cgroup.c | 8 +- kernel/cgroup/cgroup.c | 26 +++ net/Kconfig | 5 + net/core/filter.c | 13 ++ net/ipv4/tcp_input.c | 6 +- net/ipv4/tcp_output.c | 9 + tools/include/uapi/linux/bpf.h | 1 + tools/netacc/Makefile | 24 +++ tools/netacc/bpf_sockmap.h | 167 +++++++++++++++++++ tools/netacc/net-acc | 35 ++++ tools/netacc/netacc.c | 296 +++++++++++++++++++++++++++++++++ tools/netacc/netaccsockmap.c | 176 ++++++++++++++++++++ 16 files changed, 771 insertions(+), 5 deletions(-) create mode 100644 tools/netacc/Makefile create mode 100644 tools/netacc/bpf_sockmap.h create mode 100755 tools/netacc/net-acc create mode 100644 tools/netacc/netacc.c create mode 100644 tools/netacc/netaccsockmap.c -- 2.34.1

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[PATCH OLK-6.6 0/2] xfs: fix intent item leak during reovery
by Long Li 04 Dec '23

04 Dec '23

Long Li (2): xfs: factor out xfs_defer_pending_abort xfs: abort intent items when recovery intents fail fs/xfs/libxfs/xfs_defer.c | 28 ++++++++++++++++++---------- fs/xfs/libxfs/xfs_defer.h | 2 +- fs/xfs/xfs_log_recover.c | 2 +- 3 files changed, 20 insertions(+), 12 deletions(-) -- 2.31.1

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