[PATCH v2] x86/mce: Don't participate in rendezvous process once nmi_shootdown_cpus() was made
bp at alien8.de
Mon Feb 20 12:26:54 PST 2017
On Mon, Feb 20, 2017 at 09:29:24PM +0800, Xunlei Pang wrote:
> There is a small window between crash and kdump kernel boot, so
> if a SRAO comes within this window it will also cause the mce
> synchronization problem on the crashing cpu if we don't bail out the
> crashing cpu.
You mean, in the window between, kdump kernel starts writing out memory
and the second, kexec-ed kernel?
If so, please add that information to the place in do_machine_check()
where we check crashing_cpu so that we know why we're doing this
temporary ignore of #MC.
Good mailing practices for 400: avoid top-posting and trim the reply.
More information about the kexec