Re: [Xen-devel] [PATCH V3 28/29] x86/vvtd: Add queued invalidation (QI) support

2017-10-23 Thread Tian, Kevin
> From: Gao, Chao > Sent: Monday, October 23, 2017 4:52 PM > > On Mon, Oct 23, 2017 at 09:57:16AM +0100, Roger Pau Monné wrote: > >On Mon, Oct 23, 2017 at 03:50:24PM +0800, Chao Gao wrote: > >> On Fri, Oct 20, 2017 at 12:20:06PM +0100, Roger Pau Monné wrote: > >> >On Thu, Sep 21, 2017 at 11:02:09P

Re: [Xen-devel] [PATCH V3 28/29] x86/vvtd: Add queued invalidation (QI) support

2017-10-23 Thread Chao Gao
On Mon, Oct 23, 2017 at 09:57:16AM +0100, Roger Pau Monné wrote: >On Mon, Oct 23, 2017 at 03:50:24PM +0800, Chao Gao wrote: >> On Fri, Oct 20, 2017 at 12:20:06PM +0100, Roger Pau Monné wrote: >> >On Thu, Sep 21, 2017 at 11:02:09PM -0400, Lan Tianyu wrote: >> >> From: Chao Gao >> >> +} >> >> +

Re: [Xen-devel] [PATCH V3 28/29] x86/vvtd: Add queued invalidation (QI) support

2017-10-23 Thread Roger Pau Monné
On Mon, Oct 23, 2017 at 03:50:24PM +0800, Chao Gao wrote: > On Fri, Oct 20, 2017 at 12:20:06PM +0100, Roger Pau Monné wrote: > >On Thu, Sep 21, 2017 at 11:02:09PM -0400, Lan Tianyu wrote: > >> From: Chao Gao > >> +} > >> + > >> +unmap_guest_page((void*)qinval_page); > >> +return ret; >

Re: [Xen-devel] [PATCH V3 28/29] x86/vvtd: Add queued invalidation (QI) support

2017-10-23 Thread Chao Gao
On Fri, Oct 20, 2017 at 12:20:06PM +0100, Roger Pau Monné wrote: >On Thu, Sep 21, 2017 at 11:02:09PM -0400, Lan Tianyu wrote: >> From: Chao Gao >> >> Queued Invalidation Interface is an expanded invalidation interface with >> extended capabilities. Hardware implementations report support for queu

Re: [Xen-devel] [PATCH V3 28/29] x86/vvtd: Add queued invalidation (QI) support

2017-10-20 Thread Roger Pau Monné
On Thu, Sep 21, 2017 at 11:02:09PM -0400, Lan Tianyu wrote: > From: Chao Gao > > Queued Invalidation Interface is an expanded invalidation interface with > extended capabilities. Hardware implementations report support for queued > invalidation interface through the Extended Capability Register.

[Xen-devel] [PATCH V3 28/29] x86/vvtd: Add queued invalidation (QI) support

2017-09-22 Thread Lan Tianyu
From: Chao Gao Queued Invalidation Interface is an expanded invalidation interface with extended capabilities. Hardware implementations report support for queued invalidation interface through the Extended Capability Register. The queued invalidation interface uses an Invalidation Queue (IQ), whi