linux-kernel - [PATCH v2 2/5] x86/mce: dump error msg from severities

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Message-ID: <20250217063335.22257-3-xueshuai@linux.alibaba.com>
Date: Mon, 17 Feb 2025 14:33:32 +0800
From: Shuai Xue <xueshuai@...ux.alibaba.com>
To: tony.luck@...el.com,
	bp@...en8.de,
	nao.horiguchi@...il.com
Cc: tglx@...utronix.de,
	mingo@...hat.com,
	dave.hansen@...ux.intel.com,
	x86@...nel.org,
	hpa@...or.com,
	linmiaohe@...wei.com,
	akpm@...ux-foundation.org,
	peterz@...radead.org,
	jpoimboe@...nel.org,
	linux-edac@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	baolin.wang@...ux.alibaba.com,
	tianruidong@...ux.alibaba.com
Subject: [PATCH v2 2/5] x86/mce: dump error msg from severities

The message in severities is useful for identifying the type of MCE that
has occurred; dump it if it is valid.

Signed-off-by: Shuai Xue <xueshuai@...ux.alibaba.com>
---
 arch/x86/kernel/cpu/mce/core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
index f2e730d4acc5..c1b945dbccdf 100644
--- a/arch/x86/kernel/cpu/mce/core.c
+++ b/arch/x86/kernel/cpu/mce/core.c
@@ -1456,6 +1456,8 @@ static void queue_task_work(struct mce_hw_err *err, char *msg, void (*func)(stru
 	if (count > 1)
 		return;
 
+	if (msg)
+		pr_err("%s\n", msg);
 	task_work_add(current, &current->mce_kill_me, TWA_RESUME);
 }
 
-- 
2.39.3