lkml.org 
[lkml]   [2017]   [Feb]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2] x86/mce: Don't participate in rendezvous process once nmi_shootdown_cpus() was made
On Tue, Feb 21, 2017 at 08:37:21PM +0800, Xunlei Pang wrote:
> - /* If this CPU is offline, just bail out. */
> - if (cpu_is_offline(smp_processor_id())) {
> + /*
> + * Cases to bail out to avoid rendezvous process timeout:
> + * 1)If crashing_cpu was set, e.g. entering kdump,
> + * we need to skip cpus remaining in 1st kernel.
> + * 2)If this CPU is offline.
> + */
> + if (crashing_cpu != -1 ||
> + cpu_is_offline(smp_processor_id())) {

You're still not letting the crashing_cpu enter the #MC handler. You
need to handle the MCE no matter how short the window is.

--
Regards/Gruss,
Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.

\
 
 \ /
  Last update: 2017-02-21 18:28    [W:0.168 / U:25.896 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site