From: Andi Kleen <andi@firstfloor.org>
To: Huang Ying <ying.huang@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>, Ingo Molnar <mingo@elte.hu>,
"H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
Andi Kleen <ak@linux.intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH -v2] x86: MCE: Re-implement MCE log ring buffer as per-CPU ring buffer
Date: Wed, 29 Apr 2009 08:11:48 +0200 [thread overview]
Message-ID: <20090429061148.GQ27382@one.firstfloor.org> (raw)
In-Reply-To: <1240968709.6842.1175.camel@yhuang-dev.sh.intel.com>
> Maybe the comment is a little confusing. What we do is limit the size of
> user buffer size to prevent system from not response. If the user buffer
Ah. The standard way to handle this is to add cond_resched()s where
appropiate. Maybe that would be an alternative or is that not
possible? You have to drop locks of course.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
next prev parent reply other threads:[~2009-04-29 6:07 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-28 9:27 [PATCH -v2] x86: MCE: Re-implement MCE log ring buffer as per-CPU ring buffer Huang Ying
2009-04-28 10:21 ` Andi Kleen
2009-04-29 1:31 ` Huang Ying
2009-04-29 6:11 ` Andi Kleen [this message]
2009-04-29 6:50 ` Huang Ying
2009-04-28 10:21 ` Peter Zijlstra
2009-04-28 10:33 ` Andi Kleen
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