From: Andi Kleen <andi@firstfloor.org>
To: Ying Han <yinghan@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Minchan Kim <minchan.kim@gmail.com>,
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>,
Balbir Singh <balbir@linux.vnet.ibm.com>,
linux-mm@kvack.org
Subject: Re: [PATCH] Eliminate task stack trace duplication.
Date: Tue, 03 May 2011 14:10:57 -0700 [thread overview]
Message-ID: <m2bozjebha.fsf@firstfloor.org> (raw)
In-Reply-To: <BANLkTi=C9qpkfM1fjeCD_Z_-2rYUifiaUg@mail.gmail.com> (Ying Han's message of "Tue, 3 May 2011 13:09:02 -0700")
Ying Han <yinghan@google.com> writes:
>>
>> Also when you can't get it fall back to something else.
>
> Can you clarify that?
The debugging paths usually have a lock timeout and fall back
to not needing the lock (= not use a hash) when it expires.
This way you guarantee output even if the system
is already quite confused.
-Andi
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prev parent reply other threads:[~2011-05-03 21:11 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-03 17:35 [PATCH] Eliminate task stack trace duplication Ying Han
2011-05-03 18:23 ` Rik van Riel
2011-05-03 20:10 ` Ying Han
2011-05-03 19:50 ` Andi Kleen
2011-05-03 20:09 ` Ying Han
2011-05-03 21:10 ` Andi Kleen [this message]
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