From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ea0-f170.google.com (mail-ea0-f170.google.com [209.85.215.170]) by kanga.kvack.org (Postfix) with ESMTP id 53B666B0031 for ; Wed, 11 Dec 2013 10:21:58 -0500 (EST) Received: by mail-ea0-f170.google.com with SMTP id k10so3010645eaj.1 for ; Wed, 11 Dec 2013 07:21:57 -0800 (PST) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTP id a9si19530905eew.75.2013.12.11.07.21.56 for ; Wed, 11 Dec 2013 07:21:57 -0800 (PST) Date: Wed, 11 Dec 2013 10:21:26 -0500 From: Rik van Riel Subject: Re: [PATCH] mm: numa: Guarantee that tlb_flush_pending updates are visible before page table updates Message-ID: <20131211102126.532c763d@annuminas.surriel.com> In-Reply-To: <20131211132109.GB24125@suse.de> References: <1386690695-27380-1-git-send-email-mgorman@suse.de> <20131211132109.GB24125@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Mel Gorman Cc: Andrew Morton , "Paul E. McKenney" , Peter Zijlstra , Alex Thorlton , Linux-MM , LKML On Wed, 11 Dec 2013 13:21:09 +0000 Mel Gorman wrote: > According to documentation on barriers, stores issued before a LOCK can > complete after the lock implying that it's possible tlb_flush_pending can > be visible after a page table update. As per revised documentation, this patch > adds a smp_mb__before_spinlock to guarantee the correct ordering. And now you have 18 patches :) > Cc: stable@vger.kernel.org > Signed-off-by: Mel Gorman Reviewed-by: Rik van Riel -- All rights reversed. -- 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