From: Andi Kleen <ak@linux.intel.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Qing Z <njumical@gmail.com>,
mingo@kernel.org, ben@decadent.org.uk, markivx@codeaurora.org,
linux-kernel@vger.kernel.org, cxie4@marvell.com,
binw@marvell.com, wwang27@marvell.com, xjian@marvell.com,
zhangwm@marvell.com, Qing Zhu <qzhu@marvell.com>
Subject: Re: [PATCH] panic: fix incomplete panic log in panic()
Date: Mon, 15 Oct 2012 15:06:39 -0700 [thread overview]
Message-ID: <20121015220639.GT2095@tassilo.jf.intel.com> (raw)
In-Reply-To: <20121015150204.6f837a39.akpm@linux-foundation.org>
> Also, we should be careful with things like up() on a semaphore which
> hasn't been down()ed. Because under some Kconfig combinations, such an
> operation might trigger debugging traces and we could get into a big
> mess. (An up() on non-down()ed semaphore is actually an OK operation,
> so this was a bad example. But you see the problem).
iirc the debugging code normally checks oops_in_progress, so this shouldn't
happen.
Agree on the rest of your email -- keep oops simple ... (KOSS)
-Andi
next prev parent reply other threads:[~2012-10-15 22:06 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <BD54883EA7DE8B41A61B7E723561C711139F75D348@sc-vexch3.marvell.com>
2012-10-15 11:38 ` Qing Z
2012-10-15 22:02 ` Andrew Morton
2012-10-15 22:06 ` Andi Kleen [this message]
2012-10-16 14:25 ` Qing Z
2012-10-17 10:44 ` Qing Z
2012-10-18 0:06 ` Andrew Morton
2012-10-22 14:54 ` Qing Z
2012-10-22 19:51 ` Andrew Morton
2012-10-11 8:03 Qing Zhu
2012-10-11 21:18 ` Andrew Morton
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