From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: [rfc] data race in page table setup/walking? From: Benjamin Herrenschmidt Reply-To: benh@kernel.crashing.org In-Reply-To: References: <20080429050054.GC21795@wotan.suse.de> <1209505059.18023.193.camel@pasglop> Content-Type: text/plain Date: Wed, 30 Apr 2008 10:09:45 +1000 Message-Id: <1209514185.18023.202.camel@pasglop> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Hugh Dickins Cc: Nick Piggin , Linus Torvalds , linux-arch@vger.kernel.org, Linux Memory Management List List-ID: On Tue, 2008-04-29 at 23:47 +0100, Hugh Dickins wrote: > I am surprised it's enough to patch up the issue. Well, we get lucky here because there's a data dependency between all the loads... the last one needs the result from the previous one etc... Only alpha is crazy enough to require barriers in that case as far as I know :-) Cheers, Ben. -- 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