From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Durrant Subject: [PATCH 0 of 2] Add configuration options to selectively disable S3 and S4 (V4) Date: Fri, 18 Nov 2011 11:19:29 +0000 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com Cc: paul.durrant@citrix.com List-Id: xen-devel@lists.xenproject.org This patch series adds the ability to selectively disable the S3 and S4 ACPI power states for HVM guests. Since there is a general move towards retiring the hvm_info_table structure, the first patch moves the acpi_enabled flag out of the hvm_info_table and into a xenstore key (platform/acpi). The second patch then introduces the acpi_s3 and acpi_s4 configuration parameters to the xl config file (default=1). These result in population of new platform/acpi_s3 and platform/acpi_s4 xenstore keys. hvmloader then reads these keys to determine whether or not to include SSDTs containing the _S3 and _S4 packages respectively.