[PATCH] x86/mce: correct cpu_missing reporting in mce_timed_out

From: Zhaolong Zhang
Date: Thu Nov 04 2021 - 04:16:21 EST


set cpu_missing before mce_panic() so that it prints correct msg.

Signed-off-by: Zhaolong Zhang <zhangzl2013@xxxxxxx>
---
arch/x86/kernel/cpu/mce/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
index 50a3e455cded..ccefe131ab55 100644
--- a/arch/x86/kernel/cpu/mce/core.c
+++ b/arch/x86/kernel/cpu/mce/core.c
@@ -903,13 +903,13 @@ static int mce_timed_out(u64 *t, const char *msg)
if (!mca_cfg.monarch_timeout)
goto out;
if ((s64)*t < SPINUNIT) {
+ cpu_missing = 1;
if (mca_cfg.tolerant <= 1) {
if (cpumask_and(&mce_missing_cpus, cpu_online_mask, &mce_missing_cpus))
pr_emerg("CPUs not responding to MCE broadcast (may include false positives): %*pbl\n",
cpumask_pr_args(&mce_missing_cpus));
mce_panic(msg, NULL, NULL);
}
- cpu_missing = 1;
return 1;
}
*t -= SPINUNIT;
--
2.27.0