From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: [PATCH 0 of 5] Rombios PIO performance Date: Mon, 30 Jul 2012 20:47:19 +0100 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.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xen.org Cc: Keir Fraser , Jan Beulich List-Id: xen-devel@lists.xenproject.org This patch series is the result of some analysis to improve the boot peformance of HVM guests for XenServer. Tests were performed with Win7 as the HVM guest, but the fixes apply to all HVM guests. All improvements are by reducing the number of PIO traps from rombios, through Xen to Qemu; some completely needless and some by knowing how Qemu is going to react. Signed-off-by: Andrew Cooper