linux-kernel - Re: [PATCH] signals: sys_ssetmask/sys_rt_sigsuspend should use set_current

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Message-ID: <20110713122735.GK2872@htj.dyndns.org>
Date:	Wed, 13 Jul 2011 14:27:35 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Matt Fleming <matt.fleming@...ux.intel.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] signals: sys_ssetmask/sys_rt_sigsuspend should use
 set_current_blocked()

On Mon, Jul 11, 2011 at 06:01:02PM +0200, Oleg Nesterov wrote:
> sys_ssetmask(), sys_rt_sigsuspend() and compat_sys_rt_sigsuspend()
> change ->blocked directly. This is not correct, see the changelog in
> e6fa16ab "signal: sigprocmask() should do retarget_shared_pending()"
> 
> Change them to use set_current_blocked().
> 
> Another change is that now we are doing ->saved_sigmask = ->blocked
> lockless, it doesn't make any sense to do this under ->siglock.
> 
> Signed-off-by: Oleg Nesterov <oleg@...hat.com>

Acked-by: Tejun Heo <tj@...nel.org>

-- 
tejun
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