From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: [RFC v1 00/15] Add VT-d Posted-Interrupts support Date: Fri, 27 Mar 2015 10:44:39 -0400 Message-ID: <20150327144439.GL22791@l.oracle.com> References: <1427286717-4093-1-git-send-email-feng.wu@intel.com> <20150326185038.GA25340@x230.dumpdata.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: "Wu, Feng" Cc: "Zhang, Yang Z" , "Tian, Kevin" , "keir@xen.org" , "JBeulich@suse.com" , "xen-devel@lists.xen.org" List-Id: xen-devel@lists.xenproject.org On Fri, Mar 27, 2015 at 01:06:48AM +0000, Wu, Feng wrote: > > > > -----Original Message----- > > From: Konrad Rzeszutek Wilk [mailto:konrad.wilk@oracle.com] > > Sent: Friday, March 27, 2015 2:51 AM > > To: Wu, Feng > > Cc: xen-devel@lists.xen.org; Zhang, Yang Z; Tian, Kevin; keir@xen.org; > > JBeulich@suse.com > > Subject: Re: [Xen-devel] [RFC v1 00/15] Add VT-d Posted-Interrupts support > > > > On Wed, Mar 25, 2015 at 08:31:42PM +0800, Feng Wu wrote: > > > VT-d Posted-Interrupts is an enhancement to CPU side Posted-Interrupt. > > > With VT-d Posted-Interrupts enabled, external interrupts from > > > direct-assigned devices can be delivered to guests without VMM > > > intervention when guest is running in non-root mode. > > > > > > You can find the VT-d Posted-Interrtups Spec. in the following URL: > > > > > http://www.intel.com/content/www/us/en/intelligent-systems/intel-technolog > > y/vt-directed-io-spec.html > > > > > > This patch set follow the following design: > > > http://article.gmane.org/gmane.comp.emulators.xen.devel/236476 > > > > Would it be possible to put the design in xen/docs/ directory? > > That's a good suggestion. I will do it in the next post. This being an RFC patchset it is in very good state. And having the design document in mind made it very nice to follow. Thank you!