From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965192AbVHPKVG (ORCPT ); Tue, 16 Aug 2005 06:21:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965194AbVHPKVG (ORCPT ); Tue, 16 Aug 2005 06:21:06 -0400 Received: from ns.miraclelinux.com ([219.118.163.66]:22899 "EHLO mail01.miraclelinux.com") by vger.kernel.org with ESMTP id S965192AbVHPKVF (ORCPT ); Tue, 16 Aug 2005 06:21:05 -0400 Date: Tue, 16 Aug 2005 19:16:17 +0900 (JST) Message-Id: <20050816.191617.1025215458.hyoshiok@miraclelinux.com> To: arjan@infradead.org Cc: taka@valinux.co.jp, lkml.hyoshiok@gmail.com, linux-kernel@vger.kernel.org, hyoshiok@miraclelinux.com Subject: Re: [RFC] [PATCH] cache pollution aware __copy_from_user_ll() From: Hiro Yoshioka In-Reply-To: <1124171015.3215.0.camel@laptopd505.fenrus.org> References: <20050816.131729.15816429.taka@valinux.co.jp> <20050816.135425.719901536.hyoshiok@miraclelinux.com> <1124171015.3215.0.camel@laptopd505.fenrus.org> X-Mailer: Mew version 3.3 on XEmacs 21.4.13 (Rational FORTRAN) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Arjan van de Ven > > My code does nothing do it. > > > > I need a volunteer to implement it. > > it's actually not too hard; all you need is to use SSE and not MMX; and > then just store sse register you're overwriting on the stack or so... oh, really? Does the linux kernel take care of SSE save/restore on a task switch? Regards, Hiro