From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932603Ab1EZQLN (ORCPT ); Thu, 26 May 2011 12:11:13 -0400 Received: from mail-bw0-f46.google.com ([209.85.214.46]:49107 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758066Ab1EZQLK (ORCPT ); Thu, 26 May 2011 12:11:10 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=qfi0pQ6LHdZ3me2/SBfUOOF4lnCA3Jebs5qsDvUObJYgvqxywl4U2XDQmBDOuf2298 8BEIuORCXMW0AqxSLufka4AtZ4dAN0A0jCJTNFQhjUjPEiDsoJ5IGkdURd+Jvfe2+M0N twdtvCt2ZRgXN5e37nSqgtU13HfWcZA0Ufcgk= Date: Thu, 26 May 2011 19:11:04 +0300 From: Sergey Senozhatsky To: Peter Zijlstra Cc: Sergey Senozhatsky , Ingo Molnar , "Paul E. McKenney" , Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: [PATCH] sched_rt: RCU-protect for_each_domain() within find_lowest_rq() Message-ID: <20110526161104.GB5716@swordfish.minsk.epam.com> References: <20110526160137.GA5716@swordfish.minsk.epam.com> <1306426071.2497.82.camel@laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1306426071.2497.82.camel@laptop> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On (05/26/11 18:07), Peter Zijlstra wrote: > On Thu, 2011-05-26 at 19:01 +0300, Sergey Senozhatsky wrote: > > Protect for_each_domain() within find_lowest_rq() with RCU read-side critical > > section, suppressing suspicious rcu_dereference_check(): > > I just found: > http://lkml.kernel.org/r/1303469634-11678-1-git-send-email-dfeng@redhat.com in my inbox and queued that. > Great, thanks. Sergey