Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932208AbWCHVnY (ORCPT ); Wed, 8 Mar 2006 16:43:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932207AbWCHVnY (ORCPT ); Wed, 8 Mar 2006 16:43:24 -0500 Received: from kanga.kvack.org ([66.96.29.28]:13734 "EHLO kanga.kvack.org") by vger.kernel.org with ESMTP id S932208AbWCHVnX (ORCPT ); Wed, 8 Mar 2006 16:43:23 -0500 Date: Wed, 8 Mar 2006 16:37:56 -0500 From: Benjamin LaHaise To: Benjamin Herrenschmidt Cc: "Bryan O'Sullivan" , akpm@osdl.org, ak@suse.de, paulus@samba.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] Define flush_wc, a way to flush write combining store buffers Message-ID: <20060308213756.GB5410@kvack.org> References: <1141853919.11221.183.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1141853919.11221.183.camel@localhost.localdomain> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 797 Lines: 18 On Thu, Mar 09, 2006 at 08:38:39AM +1100, Benjamin Herrenschmidt wrote: > I think people already don't undersatnd the existing gazillion of > barriers we have with quite unclear semantics in some cases, it's not > time to add a new one ... We went over the details of this in a pretty long thread, and you can't use any of the existing memory barriers to solve this particular problem. I think the definition of this one is well done now. -ben -- "Time is of no importance, Mr. President, only life is important." Don't Email: . - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/