From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ob0-f199.google.com (mail-ob0-f199.google.com [209.85.214.199]) by kanga.kvack.org (Postfix) with ESMTP id 5464D6B0260 for ; Wed, 11 May 2016 10:09:30 -0400 (EDT) Received: by mail-ob0-f199.google.com with SMTP id fk7so13119854obb.0 for ; Wed, 11 May 2016 07:09:30 -0700 (PDT) Received: from www262.sakura.ne.jp (www262.sakura.ne.jp. [202.181.97.72]) by mx.google.com with ESMTPS id m20si5238744ita.72.2016.05.11.07.09.29 for (version=TLS1 cipher=AES128-SHA bits=128/128); Wed, 11 May 2016 07:09:29 -0700 (PDT) Subject: Re: x86_64 Question: Are concurrent IPI requests safe? From: Tetsuo Handa References: <201605061958.HHG48967.JVFtSLFQOFOOMH@I-love.SAKURA.ne.jp> <201605092354.AHF82313.FtQFOMVOFJLOSH@I-love.SAKURA.ne.jp> <201605112219.HEB64012.FLQOFMJOVOtFHS@I-love.SAKURA.ne.jp> <20160511133928.GF3192@twins.programming.kicks-ass.net> In-Reply-To: <20160511133928.GF3192@twins.programming.kicks-ass.net> Message-Id: <201605112309.AGJ18252.tOFMFQOJFLSOVH@I-love.SAKURA.ne.jp> Date: Wed, 11 May 2016 23:09:21 +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 Wed, May 11, 2016 at 10:19:16PM +0900, Tetsuo Handa wrote: > > [ 180.434659] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/31/2013 > > can you reproduce on real hardware? > Unfortunately, I don't have a real hardware to run development kernels. My Linux environment is limited to 4 CPUs / 1024MB or 2048MB RAM running as a VMware guest on Windows. Can somebody try KVM environment with 4 CPUs / 1024MB or 2048MB RAM whith partition only plain /dev/sda1 formatted as XFS? -- 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