Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964834AbWCHQkO (ORCPT ); Wed, 8 Mar 2006 11:40:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932390AbWCHQkO (ORCPT ); Wed, 8 Mar 2006 11:40:14 -0500 Received: from hierophant.serpentine.com ([66.92.13.71]:45771 "EHLO demesne.serpentine.com") by vger.kernel.org with ESMTP id S1751501AbWCHQkM (ORCPT ); Wed, 8 Mar 2006 11:40:12 -0500 Subject: Re: [PATCH] Document Linux's memory barriers From: "Bryan O'Sullivan" To: David Howells Cc: Linus Torvalds , Paul Mackerras , akpm@osdl.org, mingo@redhat.com, linux-arch@vger.kernel.org, linuxppc64-dev@ozlabs.org, linux-kernel@vger.kernel.org In-Reply-To: <27607.1141821265@warthog.cambridge.redhat.com> References: <31492.1141753245@warthog.cambridge.redhat.com> <17422.19209.60360.178668@cargo.ozlabs.ibm.com> <27607.1141821265@warthog.cambridge.redhat.com> Content-Type: text/plain Date: Wed, 08 Mar 2006 08:40:11 -0800 Message-Id: <1141836011.4347.22.camel@camp4.serpentine.com> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 375 Lines: 13 On Wed, 2006-03-08 at 12:34 +0000, David Howells wrote: > On i386 and x86_64, do IN and OUT instructions imply MFENCE? No.