linux-kernel - Re: safety of *mutex_unlock() (Was: [BUG] signal: sighand unprotected when accessed by /proc)

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Message-ID: <alpine.DEB.2.10.1406131809570.5170@nanos>
Date:	Fri, 13 Jun 2014 18:10:24 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Oleg Nesterov <oleg@...hat.com>
cc:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...nel.org>,
	Clark Williams <williams@...hat.com>
Subject: Re: safety of *mutex_unlock() (Was: [BUG] signal: sighand unprotected
 when accessed by /proc)

On Fri, 13 Jun 2014, Oleg Nesterov wrote:

> On 06/12, Thomas Gleixner wrote:
> >
> > Just FYI, I have a patch pending which makes the release safe.
> >
> >       http://marc.info/?l=linux-kernel&m=140251240630730&w=2
> 
> Aha, great. I didn't see this version, and just in case I think it is fine.
> 
> Perhaps you can look at http://marc.info/?t=140207370200003 ?

Looks good. Should I queue it with the other rtmutex stuff?

Thanks,

	tglx
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