Re: [Xen-devel] [PATCH v3 2/2] vmx/hap: optimize CR4 trapping

2018-02-26 Thread Roger Pau Monné
On Sat, Feb 24, 2018 at 01:47:37AM +, Tian, Kevin wrote: > > From: Roger Pau Monné [mailto:roger@citrix.com] > > Sent: Friday, February 23, 2018 6:18 PM > > > > On Fri, Feb 23, 2018 at 04:56:38AM +, Tian, Kevin wrote: > > > > From: Roger Pau Monne [mailto:roger@citrix.com] > > > >

Re: [Xen-devel] [PATCH v3 2/2] vmx/hap: optimize CR4 trapping

2018-02-23 Thread Tian, Kevin
> From: Roger Pau Monné [mailto:roger@citrix.com] > Sent: Friday, February 23, 2018 6:18 PM > > On Fri, Feb 23, 2018 at 04:56:38AM +, Tian, Kevin wrote: > > > From: Roger Pau Monne [mailto:roger@citrix.com] > > > Sent: Tuesday, February 20, 2018 4:57 PM > > > > > > There a bunch of

Re: [Xen-devel] [PATCH v3 2/2] vmx/hap: optimize CR4 trapping

2018-02-23 Thread Roger Pau Monné
On Fri, Feb 23, 2018 at 04:56:38AM +, Tian, Kevin wrote: > > From: Roger Pau Monne [mailto:roger@citrix.com] > > Sent: Tuesday, February 20, 2018 4:57 PM > > > > There a bunch of bits in CR4 that should be allowed to be set directly > > by the guest without requiring Xen intervention,

Re: [Xen-devel] [PATCH v3 2/2] vmx/hap: optimize CR4 trapping

2018-02-22 Thread Tian, Kevin
> From: Roger Pau Monne [mailto:roger@citrix.com] > Sent: Tuesday, February 20, 2018 4:57 PM > > There a bunch of bits in CR4 that should be allowed to be set directly > by the guest without requiring Xen intervention, currently this is > already done by passing through guest writes into the