From: Avi Kivity <avi@redhat.com>
To: "Luck, Tony" <tony.luck@intel.com>
Cc: Borislav Petkov <bp@amd64.org>, Ingo Molnar <mingo@elte.hu>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Huang, Ying" <ying.huang@intel.com>,
Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Subject: Re: [PATCH 08/10] NOTIFIER: Take over TIF_MCE_NOTIFY and implement task return notifier
Date: Wed, 15 Jun 2011 11:52:56 +0300 [thread overview]
Message-ID: <4DF872E8.7000604@redhat.com> (raw)
In-Reply-To: <987664A83D2D224EAE907B061CE93D5301E7280DBF@orsmsx505.amr.corp.intel.com>
On 06/14/2011 07:59 PM, Luck, Tony wrote:
> >I don't think that doing anything to the task is correct, though, as the
> >problem is with the page, not the task itself. In fact if the task is
> >executing a vgather instruction, or if another thread munmap()s the
> >page, it may not hit the same page again when re-executed.
>
> True the memory is the source of the problem - but the task is
> intimately affected. Time for a car analogy :-) ...
>
> You are driving along the road when you notice a giant hole. You
> hit the brakes and stop on the very edge. The problem is with the
> road, not with your car. But I don't think you want to start driving
> again (at least not in the forward direction!)
>
No argument, the current task has to be preempted. But a complete
solution needs to prevent other tasks as well.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2011-06-15 8:53 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-09 21:25 [RFC] reworked machine check recovery patches Luck, Tony
2011-06-09 21:29 ` [PATCH 01/10] MCE: fixes for mce severity table Luck, Tony
2011-06-09 21:30 ` [PATCH 02/10] MCE: save most severe error information Luck, Tony
2011-06-10 8:06 ` Hidetoshi Seto
2011-06-10 18:08 ` Tony Luck
2011-06-09 21:31 ` [PATCH 03/10] MCE: introduce mce_gather_info() Luck, Tony
2011-06-09 21:32 ` [PATCH 04/10] MCE: Move ADDR/MISC reading code into common function Luck, Tony
2011-06-10 9:33 ` Borislav Petkov
2011-06-10 18:17 ` Tony Luck
2011-06-09 21:33 ` [PATCH 05/10] MCE: Mask out address mask bits below address granuality Luck, Tony
2011-06-10 8:07 ` Hidetoshi Seto
2011-06-10 9:46 ` Borislav Petkov
2011-06-10 19:06 ` Tony Luck
2011-06-11 0:12 ` Andi Kleen
2011-06-10 9:42 ` Borislav Petkov
2011-06-10 19:09 ` Tony Luck
2011-06-09 21:34 ` [PATCH 06/10] HWPOISON: Handle hwpoison in current process Luck, Tony
2011-06-10 8:07 ` Hidetoshi Seto
2011-06-10 20:36 ` Tony Luck
2011-06-09 21:35 ` [PATCH 07/10] MCE: replace mce.c use of TIF_MCE_NOTIFY with user_return_notifier Luck, Tony
2011-06-10 8:08 ` Hidetoshi Seto
2011-06-10 20:42 ` Tony Luck
2011-06-11 10:24 ` Borislav Petkov
2011-06-12 8:31 ` Avi Kivity
2011-06-12 8:29 ` Avi Kivity
2011-06-12 10:24 ` Borislav Petkov
2011-06-12 10:30 ` Avi Kivity
2011-06-12 13:53 ` Borislav Petkov
2011-06-09 21:36 ` [PATCH 08/10] NOTIFIER: Take over TIF_MCE_NOTIFY and implement task return notifier Luck, Tony
2011-06-12 22:38 ` Borislav Petkov
2011-06-13 5:31 ` Tony Luck
2011-06-13 7:59 ` Avi Kivity
2011-06-13 9:55 ` Borislav Petkov
2011-06-13 11:40 ` Avi Kivity
2011-06-13 12:40 ` Borislav Petkov
2011-06-13 12:47 ` Avi Kivity
2011-06-13 15:12 ` Borislav Petkov
2011-06-13 16:31 ` Avi Kivity
2011-06-13 17:13 ` Tony Luck
2011-06-14 2:50 ` Hidetoshi Seto
2011-06-14 2:51 ` [PATCH 1/2] x86, mce: introduce mce_memory_failure_process Hidetoshi Seto
2011-06-14 2:53 ` [PATCH 2/2] x86, mce: rework use of TIF_MCE_NOTIFY Hidetoshi Seto
2011-06-14 18:02 ` Tony Luck
2011-06-14 18:28 ` Tony Luck
2011-06-15 1:29 ` Hidetoshi Seto
2011-06-15 2:10 ` Tony Luck
2011-06-15 3:17 ` Hidetoshi Seto
2011-06-14 3:09 ` [PATCH 08/10] NOTIFIER: Take over TIF_MCE_NOTIFY and implement task return notifier Tony Luck
2011-06-14 11:40 ` Avi Kivity
2011-06-14 13:33 ` Borislav Petkov
2011-06-14 13:43 ` Avi Kivity
2011-06-14 17:13 ` Luck, Tony
2011-06-15 8:51 ` Avi Kivity
2011-06-14 16:59 ` Luck, Tony
2011-06-15 8:52 ` Avi Kivity [this message]
2011-06-13 16:43 ` Tony Luck
2011-06-09 21:37 ` [PATCH 09/10] MCE: run through processors with more severe problems first Luck, Tony
2011-06-10 8:09 ` Hidetoshi Seto
2011-06-10 20:49 ` Tony Luck
2011-06-13 22:03 ` Tony Luck
2011-06-14 1:27 ` Hidetoshi Seto
2011-06-14 3:04 ` Tony Luck
2011-06-09 21:38 ` [PATCH 10/10] MCE: Add Action-Required support Luck, Tony
2011-06-10 8:06 ` Hidetoshi Seto
2011-06-10 21:00 ` Tony Luck
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