From: Oleg Nesterov <oleg@redhat.com>
To: Borislav Petkov <bp@alien8.de>
Cc: linux-kernel@vger.kernel.org, "Chen,
Gong" <gong.chen@linux.intel.com>,
tony.luck@intel.com, x86@kernel.org,
Peter Zijlstra <peterz@infradead.org>,
Andy Lutomirski <luto@amacapital.net>
Subject: Re: [PATCH v2 4/5] x86/mce: Simplify flow when handling recoverable memory errors
Date: Wed, 12 Nov 2014 18:20:58 +0100 [thread overview]
Message-ID: <20141112172057.GA8303@redhat.com> (raw)
In-Reply-To: <20141111114248.GD31490@pd.tnic>
Sorry, I am a bit confused...
On 11/11, Borislav Petkov wrote:
>
> Roughly speaking, we want to be able to mark a task with the sign of
> death and to kill it, if needed.
"it" is current, yes?
So I agree with Andy, task_work_add() can work and you can also pass
paddr/restartable to the handler.
But,
> The important part is *before* it
> gets to run again.
But it is already running? Perhaps you meant "before it returns to
user-mode" ?
Oleg.
next prev parent reply other threads:[~2014-11-12 17:21 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-14 6:49 x86, MCE: MCE event ring management Chen, Gong
2014-08-14 6:49 ` [PATCH v2 1/5] x86, MCE: Provide a lock-less memory pool to save error record Chen, Gong
2014-08-14 6:49 ` [PATCH v2 2/5] x86, MCE: Don't use percpu for MCE workqueue/irq_work Chen, Gong
2014-08-14 6:49 ` [PATCH v2 3/5] x86, MCE: Remove mce_ring for SRAO error Chen, Gong
2014-08-14 6:49 ` [PATCH v2 4/5] x86/mce: Simplify flow when handling recoverable memory errors Chen, Gong
2014-11-11 11:42 ` Borislav Petkov
2014-11-11 15:42 ` Andy Lutomirski
2014-11-11 16:13 ` Borislav Petkov
2014-11-11 16:22 ` Andy Lutomirski
2014-11-11 16:30 ` Borislav Petkov
2014-11-11 17:15 ` Andy Lutomirski
2014-11-11 18:22 ` Borislav Petkov
2014-11-11 18:34 ` Andy Lutomirski
2014-11-11 18:38 ` Borislav Petkov
2014-11-11 20:10 ` Andy Lutomirski
2014-11-12 17:20 ` Oleg Nesterov [this message]
2014-11-12 17:25 ` Andy Lutomirski
2014-11-12 17:27 ` Borislav Petkov
2014-08-14 6:49 ` [PATCH v2 5/5] x86, MCE: Avoid potential deadlock in MCE context Chen, Gong
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