Re: [Xen-devel] [PATCH v8 0/7] VMX: Properly handle pi descriptor and per-cpu blocking list

2017-02-21 Thread Chao Gao
Hi, everyone. Really sorry for digging out this thread. Because feng has left Intel, I will take over this work, address some problems in his v8 patch set and send out a v9 verson later such that VT-d PI can work properly on Xen. Thanks, Chao On Fri, Nov 18, 2016 at 09:57:17AM +0800, Wu, Feng

Re: [Xen-devel] [PATCH v8 0/7] VMX: Properly handle pi descriptor and per-cpu blocking list

2016-11-17 Thread Wu, Feng
> -Original Message- > From: Tian, Kevin > Sent: Friday, November 18, 2016 11:03 AM > To: Wu, Feng ; xen-devel@lists.xen.org > Cc: jbeul...@suse.com; andrew.coop...@citrix.com; > george.dun...@eu.citrix.com; dario.faggi...@citrix.com > Subject: RE: [PATCH v8 0/7] VMX:

Re: [Xen-devel] [PATCH v8 0/7] VMX: Properly handle pi descriptor and per-cpu blocking list

2016-11-17 Thread Tian, Kevin
> From: Wu, Feng > Sent: Friday, November 18, 2016 9:57 AM > > The current VT-d PI related code may operate incorrectly in the > following scenarios: > 1. When the last assigned device is dettached from the domain, all > the PI related hooks are removed then, however, the vCPU can be > blocked,