linux-kernel - Re: [PATCH 2/2] signal: document the RCU protection of ->sighand

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Date:	Tue, 23 Sep 2014 07:50:19 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Oleg Nesterov <oleg@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>
CC:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] signal: document the RCU protection of ->sighand

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On 09/22/2014 12:44 PM, Oleg Nesterov wrote:
> __cleanup_sighand() frees sighand without RCU grace period. This
> is correct but this looks "obviously buggy" and constantly confuses
> the readers, add the comments to explain how this works.
> 
> Signed-off-by: Oleg Nesterov <oleg@...hat.com>

Reviewed-by: Rik van Riel <riel@...hat.com>

- -- 
All rights reversed
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