From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: set_msi_affinity() vs. pci_restore_msi_state() Date: Fri, 05 Mar 2010 16:03:52 +0000 Message-ID: <4B9139780200007800033011@vpn.id2.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Return-path: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xiantao.zhang@intel.com Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org Isn't the fact that the former updates the MSI message data without updating the copy of it in memory a problem for the latter, i.e. won't the latter restore stale information? While the problem (if there is one) existed before c/s 20073, the fact that the vector now can change seems to make the potential effect of this much worse. Thanks, Jan