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

From: Shuai Xue
Date: Mon Feb 17 2025 - 01:33:56 EST


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@xxxxxxxxxxxxxxxxx>
---
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