From owner-freebsd-current@FreeBSD.ORG Sun May 21 08:06:54 2006 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from localhost.my.domain (localhost [127.0.0.1]) by hub.freebsd.org (Postfix) with ESMTP id D186416A420; Sun, 21 May 2006 08:06:53 +0000 (UTC) (envelope-from davidxu@freebsd.org) From: David Xu To: Rostislav Krasny Date: Sun, 21 May 2006 16:06:43 +0800 User-Agent: KMail/1.8.2 References: <20060430142408.fcd60069.rosti.bsd@gmail.com> <20060519210105.d4418b6f.rosti.bsd@gmail.com> <20060520012653.41cf7366.rosti.bsd@gmail.com> In-Reply-To: <20060520012653.41cf7366.rosti.bsd@gmail.com> MIME-Version: 1.0 Content-Disposition: inline Message-Id: <200605211606.43381.davidxu@freebsd.org> Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: 7bit Cc: Igor Sysoev , Colin Percival , freebsd-current@freebsd.org Subject: Re: [PATCH] FreeBSD-SA-06:14.fpu X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 21 May 2006 08:06:54 -0000 On Saturday 20 May 2006 06:26, Rostislav Krasny wrote: > Ok, there is the patch. Attached to this email. I tested it on my i386 > 6.1-STABLE with GENERIC and with custom MYKERNEL. MYKERNEL doesn't have > "options CPU_FXSAVE_LEAK" and it also attached to this email. I changed > FXSAVE_LEAK to CPU_FXSAVE_LEAK for consistency with other CPU_* options. > I don't have any amd64 machine, so I didn't test this patch on that > architecture. Could somebody with amd64 test it? > > By the way, following command could be used to check how kernel has > been compiled, regarding the CPU_FXSAVE_LEAK option: > > objdump -x /boot/kernel/kernel | grep fpu_clean_state The patch looks fine to me, but can it be CPU_FXSAVE_NOLEAK ? so only people know the problem will turn it on. David Xu