Re: [Xen-devel] [PATCH V3 29/29] x86/vvtd: save and restore emulated VT-d

2017-10-20 Thread Roger Pau Monné
On Thu, Sep 21, 2017 at 11:02:10PM -0400, Lan Tianyu wrote: > From: Chao Gao > > Provide a save-restore pair to save/restore registers and non-register > status. > > Signed-off-by: Chao Gao > Signed-off-by: Lan Tianyu > --- > v3: > - use one entry to save both vvtd registers and other interme

[Xen-devel] [PATCH V3 29/29] x86/vvtd: save and restore emulated VT-d

2017-09-22 Thread Lan Tianyu
From: Chao Gao Provide a save-restore pair to save/restore registers and non-register status. Signed-off-by: Chao Gao Signed-off-by: Lan Tianyu --- v3: - use one entry to save both vvtd registers and other intermediate state --- xen/drivers/passthrough/vtd/vvtd.c | 66 ++