From: "Luck, Tony" <tony.luck@intel.com>
To: Borislav Petkov <bp@alien8.de>, Zhaolong Zhang <zhangzl2013@126.com>
Cc: "x86@kernel.org" <x86@kernel.org>,
"linux-edac@vger.kernel.org" <linux-edac@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Paul E . McKenney" <paulmck@kernel.org>
Subject: RE: [PATCH] x86/mce: drop cpu_missing since we have more capable mce_missing_cpus
Date: Tue, 9 Nov 2021 16:06:48 +0000 [thread overview]
Message-ID: <d66e53d9d8cf4dabb2daade220308d7a@intel.com> (raw)
In-Reply-To: <YYo6VwPZLCWcP3Bl@zn.tnic>
> if ((s64)*t < SPINUNIT) {
> 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));
> if (mca_cfg.tolerant <= 1)
> mce_panic(msg, NULL, NULL);
> return 1;
> }
Just a note that skipping the mce_panic() here isn't going to help much. With some CPUs
stuck not responding to #MC the system is going to lock up or crash for other timeouts in
the next few seconds.
-Tony
next prev parent reply other threads:[~2021-11-09 16:06 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-04 7:44 [PATCH] x86/mce: correct cpu_missing reporting in mce_timed_out Zhaolong Zhang
2021-11-04 9:13 ` Borislav Petkov
2021-11-04 15:47 ` Luck, Tony
2021-11-04 18:02 ` Borislav Petkov
2021-11-05 2:19 ` Zhaolong Zhang
2021-11-08 8:28 ` [PATCH] x86/mce: drop cpu_missing since we have more capable mce_missing_cpus Zhaolong Zhang
2021-11-08 9:31 ` Borislav Petkov
2021-11-08 10:13 ` Zhaolong Zhang
2021-11-08 10:31 ` Borislav Petkov
2021-11-08 12:47 ` Zhaolong Zhang
2021-11-09 8:31 ` Zhaolong Zhang
2021-11-09 8:35 ` [PATCH] x86/mce: Get rid of cpu_missing Zhaolong Zhang
2021-11-09 9:15 ` Borislav Petkov
2021-11-09 14:19 ` Zhaolong Zhang
2021-11-09 9:07 ` [PATCH] x86/mce: drop cpu_missing since we have more capable mce_missing_cpus Borislav Petkov
2021-11-09 16:06 ` Luck, Tony [this message]
2021-11-09 19:48 ` Borislav Petkov
2021-11-09 19:50 ` Luck, Tony
2021-11-09 20:21 ` Borislav Petkov
2021-11-09 20:44 ` Luck, Tony
2021-11-09 21:30 ` Borislav Petkov
2021-12-20 20:43 ` [PATCH] x86/mce: Remove the tolerance level control Borislav Petkov
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