Re: [PATCH v1 3/3] mm,hwpoison: add kill_accessing_process() to find error virtual address

[HORIGUCHI NAOYA(堀口 直也)]

On Mon, Apr 19, 2021 at 06:49:15PM -0700, Jue Wang wrote:
> On Tue, 13 Apr 2021 07:43:20 +0900, Naoya Horiguchi wrote:
> ...
> > + * This function is intended to handle "Action Required" MCEs on already
> > + * hardware poisoned pages. They could happen, for example, when
> > + * memory_failure() failed to unmap the error page at the first call, or
> > + * when multiple Action Optional MCE events races on different CPUs with
> > + * Local MCE enabled.
> 
> +Tony Luck
> 
> Hey Tony, I thought SRAO MCEs are broadcasted to all cores in the system
> as they come without an execution context, is it correct?
> 
> If Yes, Naoya, I think we might want to remove the comments about the
> "multiple Action Optional MCE racing" part.

Hi Jue,

I just wrote a mistake and I meant "when multiple Action Required MCE events races ...".
Sorry and thank you for finding it.  This will be fixed in the later versions.

Thanks,
Naoya Horiguchi