From owner-cvs-all Sat Feb 1 10:41:22 2003 Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6826C37B401 for ; Sat, 1 Feb 2003 10:41:21 -0800 (PST) Received: from aslan.scsiguy.com (aslan.scsiguy.com [63.229.232.106]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8401843F75 for ; Sat, 1 Feb 2003 10:41:19 -0800 (PST) (envelope-from gibbs@scsiguy.com) Received: from aslan.scsiguy.com (aslan.scsiguy.com [63.229.232.106]) by aslan.scsiguy.com (8.12.6/8.12.5) with ESMTP id h11If8bm021560; Sat, 1 Feb 2003 11:41:08 -0700 (MST) (envelope-from gibbs@scsiguy.com) Date: Sat, 01 Feb 2003 11:41:08 -0700 From: "Justin T. Gibbs" To: "Alan L. Cox" Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/i386/i386 identcpu.c initcpu.c locore.s Message-ID: <14020000.1044124868@aslan.scsiguy.com> In-Reply-To: <3E32F7C2.C251040@imimic.com> References: <20030125021907.51B482A89E@canning.wemm.org> <3E32F7C2.C251040@imimic.com> X-Mailer: Mulberry/3.0.1 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG > Does anyone here know what needs to be done in terms of saving and > restoring SSE/SSE2 state in order to use non-temporal, i.e., not-cached, > stores in the idle time page zeroing code? I don't know if he used SSE/SSE2 or not, but thorpej modified NetBSD's page zeroing code to avoid touching the cache well over a year ago. You might look at what they are doing. -- Justin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message