The patch titled Subject: x86/mce: dump error msg from severities has been added to the -mm mm-unstable branch. Its filename is x86-mce-dump-error-msg-from-severities.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/x86-mce-dump-error-msg-from-severities.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Shuai Xue <xueshuai@xxxxxxxxxxxxxxxxx> Subject: x86/mce: dump error msg from severities Date: Mon, 17 Feb 2025 14:33:32 +0800 The message in severities is useful for identifying the type of MCE that has occurred; dump it if it is valid. Link: https://lkml.kernel.org/r/20250217063335.22257-3-xueshuai@xxxxxxxxxxxxxxxxx Signed-off-by: Shuai Xue <xueshuai@xxxxxxxxxxxxxxxxx> Cc: Acked-by:Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx> Cc: Borislav Betkov <bp@xxxxxxxxx> Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> Cc: "H. Peter Anvin" <hpa@xxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Jane Chu <jane.chu@xxxxxxxxxx> Cc: Jarkko Sakkinen <jarkko@xxxxxxxxxx> Cc: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> Cc: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> Cc: linmiaohe <linmiaohe@xxxxxxxxxx> Cc: "Luck, Tony" <tony.luck@xxxxxxxxx> Cc: Naoya Horiguchi <nao.horiguchi@xxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Ruidong Tian <tianruidong@xxxxxxxxxxxxxxxxx> Cc: Yazen Ghannam <yazen.ghannam@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/x86/kernel/cpu/mce/core.c | 2 ++ 1 file changed, 2 insertions(+) --- a/arch/x86/kernel/cpu/mce/core.c~x86-mce-dump-error-msg-from-severities +++ a/arch/x86/kernel/cpu/mce/core.c @@ -1456,6 +1456,8 @@ static void queue_task_work(struct mce_h if (count > 1) return; + if (msg) + pr_err("%s\n", msg); task_work_add(current, ¤t->mce_kill_me, TWA_RESUME); } _ Patches currently in -mm which might be from xueshuai@xxxxxxxxxxxxxxxxx are x86-mce-collect-error-message-for-severities-below-mce_panic_severity.patch x86-mce-dump-error-msg-from-severities.patch x86-mce-add-ex_type_efault_reg-as-in-kernel-recovery-context-to-fix-copy-from-user-operations-regression.patch mm-hwpoison-fix-incorrect-not-recovered-report-for-recovered-clean-pages.patch mm-memory-failure-move-return-value-documentation-to-function-declaration.patch