From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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" 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 Content-Transfer-Encoding: 7bit Sender: linux-arch-owner@vger.kernel.org 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 List-ID: 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.