From: David Miller <davem@davemloft.net>
To: airlied@gmail.com
Cc: yong.zhang0@gmail.com, peterz@infradead.org, mingo@redhat.com,
jbarnes@virtuousgeek.org, linux-kernel@vger.kernel.org
Subject: Re: lockdep and oops_in_progress
Date: Tue, 02 Nov 2010 13:54:54 -0700 (PDT) [thread overview]
Message-ID: <20101102.135454.104042709.davem@davemloft.net> (raw)
In-Reply-To: <AANLkTik68yb2JUL14tnzWfyT1J_50LqFmTs8AdDvC+4p@mail.gmail.com>
From: Dave Airlie <airlied@gmail.com>
Date: Wed, 3 Nov 2010 06:51:07 +1000
>> commit e0fdace10e75dac67d906213b780ff1b1a4cc360
>> Author: David Miller <davem@davemloft.net>
>> Date: Fri Aug 1 01:11:22 2008 -0700
>>
>> debug_locks: set oops_in_progress if we will log messages.
>>
>> Otherwise lock debugging messages on runqueue locks can deadlock the
>> system due to the wakeups performed by printk().
>>
>> Signed-off-by: David S. Miller <davem@davemloft.net>
>> Signed-off-by: Ingo Molnar <mingo@elte.hu>
>>
>> Seems we can revert that commit now because of 'robustify printk'.
I completely agree, this can definitely be reverted.
Thanks!
prev parent reply other threads:[~2010-11-02 20:54 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-05 6:21 Dave Airlie
2010-08-05 8:10 ` Peter Zijlstra
2010-08-05 14:59 ` Yong Zhang
2010-09-23 3:57 ` Dave Airlie
2010-11-02 20:51 ` Dave Airlie
2010-11-02 20:53 ` David Miller
2010-11-02 20:54 ` David Miller [this message]
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