From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Sebastian Herbszt" Subject: Re: [PATCH 0/8] Support for S3 ACPI state (suspend to memory) Date: Fri, 24 Oct 2008 00:04:53 +0200 Message-ID: <31AB8A38DC914175B4117CA77752210C@FSCPC> References: <20081023140459.10303.39562.stgit@gleb-debian.qumranet.com.qumranet.com> Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset="UTF-8"; reply-type=original Content-Transfer-Encoding: 7bit To: "Gleb Natapov" , Return-path: Received: from mail.gmx.net ([213.165.64.20]:55650 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752097AbYJWWGC (ORCPT ); Thu, 23 Oct 2008 18:06:02 -0400 In-Reply-To: <20081023140459.10303.39562.stgit@gleb-debian.qumranet.com.qumranet.com> Sender: kvm-owner@vger.kernel.org List-ID: Gleb Natapov wrote: > Hello, > > This patch series adds S3 (suspend to RAM) ACPI state. Most changes > are in the BIOS code and concern themselves with preventing BIOS from > using memory available to OS. > > --- > > Gleb Natapov (8): > Don't power down vga card on entering S3 state. > Add DPMS support to cirrus vga bios. > Don't use unreserved memory in BIOS. > Execute rombios32 code from rom address 0xe0000. > Disable init of SMM. > Add S3 state to DSDT. Handle resume event in the BIOS. > Handle suspend in qemu. > Move PIC initialization out of line to save space in post code area. Earlier this year patches were posted on xen-devel for S3 support [1]. They include qemu [2] and rombios [3] changes. It might be worth checking them out in case you did not. [1] [PATCH 0/4] HVM Virtual S3 http://lists.xensource.com/archives/html/xen-devel/2007-05/msg00603.html [2] [PATCH 2/4]: QEMU interface for HVM virtual S3 http://lists.xensource.com/archives/html/xen-devel/2007-05/msg00605.html [3] [PATCH 3/4] rombios interface for HVM S3 http://lists.xensource.com/archives/html/xen-devel/2007-05/msg00606.html - Sebastian