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Date: Mon, 17 Feb 2014 17:54:07 +0000
From: Al Viro <viro@ZenIV.linux.org.uk>
Subject: Re: 3.14-rc2 XFS backtrace because irqs_disabled.
Message-ID: <20140217175407.GE18016@ZenIV.linux.org.uk>
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To: Oleg Nesterov <oleg@redhat.com>
Cc: Eric Sandeen <sandeen@sandeen.net>, Linux Kernel <linux-kernel@vger.kernel.org>, xfs@oss.sgi.com, Dave Jones <davej@redhat.com>, Linus Torvalds <torvalds@linux-foundation.org>

On Mon, Feb 17, 2014 at 06:46:48PM +0100, Oleg Nesterov wrote:
> > pulling the logics *out* of kernel/signal.c and into arch/*.
> 
> Not really, I think.

How so?  You propose to make all architectures call do_coredump()
themselves, instead of having it done centrally.  It's more boilerplate
for all of them to get wrong.  And IME any boilerplate in that are
*will* be gotten wrong - I've gone through signal handling on all
architectures more than a few times and every time it caught a pile
of bugs...

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