linux-kernel - Re: [PATCH 41/41] exit: Use __set_task

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Message-ID: <1313531463.3436.219.camel@mfleming-mobl1.ger.corp.intel.com>
Date:	Tue, 16 Aug 2011 22:51:03 +0100
From:	Matt Fleming <matt@...sole-pimps.org>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	linux-kernel@...r.kernel.org, Tejun Heo <tj@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 41/41] exit: Use __set_task_blocked()

On Tue, 2011-08-16 at 20:06 +0200, Oleg Nesterov wrote:
> On 08/11, Matt Fleming wrote:
> >
> > As described in e6fa16ab ("signal: sigprocmask() should do
> > retarget_shared_pending()") the modification of current->blocked is
> > incorrect as we need to check whether the signal we're about to block
> > is pending in the shared queue.
> 
> Yes. but in this case the code is correct. First of all, unblocking
> is always fine. Also, this should be used by kthreads only, and they
> are single-threaded.
> 
> But there are other reasons why I don't like this change, even if we
> ignore the fact the patched exit.c can't be compiled (__set_task_blocked
> is not exported ;).

OK, I've dropped this patch from the series.

-- 
Matt Fleming, Intel Open Source Technology Center

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