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
> -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:
> 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,
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, switched to another pCPU, etc, all without the aware of
PI. After the