From: "HORIGUCHI NAOYA(堀口 直也)" <naoya.horiguchi@nec.com>
To: "Luck, Tony" <tony.luck@intel.com>
Cc: Jue Wang <juew@google.com>,
"nao.horiguchi@gmail.com" <nao.horiguchi@gmail.com>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"bp@alien8.de" <bp@alien8.de>,
"david@redhat.com" <david@redhat.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"luto@kernel.org" <luto@kernel.org>,
"osalvador@suse.de" <osalvador@suse.de>,
"yaoaili@kingsoft.com" <yaoaili@kingsoft.com>
Subject: Re: [PATCH v1 3/3] mm,hwpoison: add kill_accessing_process() to find error virtual address
Date: Wed, 21 Apr 2021 01:04:14 +0000 [thread overview]
Message-ID: <20210421010414.GA25579@hori.linux.bs1.fc.nec.co.jp> (raw)
In-Reply-To: <20210420154253.GA577572@agluck-desk2.amr.corp.intel.com>
On Tue, Apr 20, 2021 at 08:42:53AM -0700, Luck, Tony wrote:
> 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.
>
> Jue,
>
> Correct. SRAO machine checks are broadcast. But rather than remove the
> second part, just replace with "multiple local machine checks on different
> CPUs".
This looks more precise, so I replaced as such in v3.
Thanks,
Naoya Horiguchi
next prev parent reply other threads:[~2021-04-21 1:04 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-20 1:49 [PATCH v1 3/3] mm,hwpoison: add kill_accessing_process() to find error virtual address Jue Wang
2021-04-20 1:49 ` Jue Wang
2021-04-20 7:51 ` HORIGUCHI NAOYA(堀口 直也)
2021-04-20 15:42 ` Luck, Tony
2021-04-21 1:04 ` HORIGUCHI NAOYA(堀口 直也) [this message]
-- strict thread matches above, loose matches on Subject: below --
2021-04-20 2:03 Jue Wang
2021-04-20 2:03 ` Jue Wang
2021-04-20 15:47 ` Luck, Tony
2021-04-20 16:30 ` Jue Wang
2021-04-20 17:15 ` Luck, Tony
2021-04-12 22:43 [PATCH v1 0/3] mm,hwpoison: fix sending SIGBUS for Action Required MCE Naoya Horiguchi
2021-04-12 22:43 ` [PATCH v1 3/3] mm,hwpoison: add kill_accessing_process() to find error virtual address Naoya Horiguchi
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