From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 17 Apr 2008 11:28:45 -0700 (PDT) From: Linus Torvalds Subject: Re: [patch 2/2]: introduce fast_gup In-Reply-To: <1208453014.7115.39.camel@twins> Message-ID: References: <20080328025455.GA8083@wotan.suse.de> <20080328030023.GC8083@wotan.suse.de> <1208444605.7115.2.camel@twins> <1208448768.7115.30.camel@twins> <1208450119.7115.36.camel@twins> <1208453014.7115.39.camel@twins> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Peter Zijlstra Cc: Nick Piggin , Andrew Morton , shaggy@austin.ibm.com, axboe@kernel.dk, linux-mm@kvack.org, linux-arch@vger.kernel.org, Clark Williams , Ingo Molnar , Jeremy Fitzhardinge List-ID: On Thu, 17 Apr 2008, Peter Zijlstra wrote: > > D'0h - clearly not my day today... Ok, I'm acking this one ;) And yes, it would be nice if the gup patches would go in early, since I wouldn't be entirely surprised if other architectures didn't have some other subtle issues here. We've never accessed the page tables without locking before, so we've only had races with hardware, never software. Linus -- 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