From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:35880) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QwW87-0005rA-9f for qemu-devel@nongnu.org; Thu, 25 Aug 2011 05:21:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QwW86-0002QX-HC for qemu-devel@nongnu.org; Thu, 25 Aug 2011 05:21:43 -0400 Received: from goliath.siemens.de ([192.35.17.28]:16018) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QwW85-0002QI-W7 for qemu-devel@nongnu.org; Thu, 25 Aug 2011 05:21:42 -0400 Message-ID: <4E561422.2000304@siemens.com> Date: Thu, 25 Aug 2011 11:21:38 +0200 From: Jan Kiszka MIME-Version: 1.0 References: <3d9d904a1e4939a147f8954c9e0d4cdaf3d44c31.1314033132.git.jan.kiszka@siemens.com> <4E55F799.2050103@redhat.com> <4E5610E7.1030609@siemens.com> <4E5612F0.1030309@redhat.com> In-Reply-To: <4E5612F0.1030309@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging in chain 4 memory access mode List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Avi Kivity Cc: Anthony Liguori , qemu-devel , Gerd Hoffmann On 2011-08-25 11:16, Avi Kivity wrote: > On 08/25/2011 12:07 PM, Jan Kiszka wrote: >>>> >>> >>> On which version of grub does this work? This isn't having any effect >>> on my Fedora grub. >> >> It's both grub1 (0.97) in graphical mode as used by OpenSUSE 11.4 and >> grub2 (1.99-rc1) of Ubuntu 11.04. >> >> Is Fedora's grub still slow or was it already fast before? Which Fedora? >> > > Still slow. I tried an old F11 image I had lying around, and -snapshot > /dev/sda, but this laptop was installed many years ago. I'll download > some more images and try. You may also want to instrument vga_update_memory_access if some requirement for linear mapping is not fulfilled. Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux