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.
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