From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f72.google.com (mail-pa0-f72.google.com [209.85.220.72]) by kanga.kvack.org (Postfix) with ESMTP id 5C53B6B0005 for ; Wed, 11 May 2016 17:56:34 -0400 (EDT) Received: by mail-pa0-f72.google.com with SMTP id zy2so91125389pac.1 for ; Wed, 11 May 2016 14:56:34 -0700 (PDT) Received: from www262.sakura.ne.jp (www262.sakura.ne.jp. [202.181.97.72]) by mx.google.com with ESMTPS id to9si12571089pab.69.2016.05.11.14.56.32 for (version=TLS1 cipher=AES128-SHA bits=128/128); Wed, 11 May 2016 14:56:33 -0700 (PDT) Subject: Re: x86_64 Question: Are concurrent IPI requests safe? From: Tetsuo Handa References: <20160511133928.GF3192@twins.programming.kicks-ass.net> <201605112309.AGJ18252.tOFMFQOJFLSOVH@I-love.SAKURA.ne.jp> <201605120019.CGI60411.OJSLHFQFtVMOOF@I-love.SAKURA.ne.jp> <20160511174630.GI3192@twins.programming.kicks-ass.net> In-Reply-To: <20160511174630.GI3192@twins.programming.kicks-ass.net> Message-Id: <201605120656.BHB73494.tOFMOFOLFQHVJS@I-love.SAKURA.ne.jp> Date: Thu, 12 May 2016 06:56:25 +0900 Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-linux-mm@kvack.org List-ID: To: peterz@infradead.org Cc: tglx@linutronix.de, mingo@kernel.org, akpm@linux-foundation.org, mgorman@techsingularity.net, mhocko@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Peter Zijlstra wrote: > On Thu, May 12, 2016 at 12:19:07AM +0900, Tetsuo Handa wrote: > > Well, I came to feel that this is caused by down_write_killable() bug. > > I guess we should fix down_write_killable() bug first. > > There's a patch you can try in that thread... > > lkml.kernel.org/r/20160511094128.GB3190@twins.programming.kicks-ass.net > OK. Applying that patch on next-20160511 seems to fix this problem. Please send it to linux-next tree. Thank you. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org