From mboxrd@z Thu Jan 1 00:00:00 1970 From: George Dunlap Subject: Re: [PATCH] AMD IOMMU: Use global interrupt remapping table by default Date: Thu, 21 Jul 2011 10:07:40 +0100 Message-ID: References: <200910281732.07420.wei.wang2@amd.com> <201107201434.58081.wei.wang2@amd.com> <1311166895.20648.200.camel@zakaz.uk.xensource.com> <201107201756.45241.wei.wang2@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <201107201756.45241.wei.wang2@amd.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Wei Wang2 Cc: Ian Campbell , "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org On Wed, Jul 20, 2011 at 4:56 PM, Wei Wang2 wrote: > George & Ian, > Patch attached. This patch removes global interrupt remapping table and u= ses > per-device table instead. This should work with per-cpu IDTs. =A0We are s= afe to > remove global table since SATA device id issue dose not appear in recent > production BIOS. Exactly how "recent" are these BIOSes? Or I guess alternately, how old are the BIOSes that broke? We still have customers who seem to have hardware that's several years old; if the answer isn't something like "8 years", it may be better to just change the default setting. -George