Re: [Xen-devel] [PATCH 1/4] x86/hvm: allow guest to use clflushopt and clwb

2015-12-30 Thread Andrew Cooper
On 30/12/2015 02:16, Haozhong Zhang wrote: On 12/30/15 09:35, Haozhong Zhang wrote: On 12/29/15 15:46, Andrew Cooper wrote: On 29/12/2015 11:31, Haozhong Zhang wrote: Pass CPU features CLFLUSHOPT and CLWB into HVM domain so that those two instructions can be used by guest. The specification o

Re: [Xen-devel] [PATCH 1/4] x86/hvm: allow guest to use clflushopt and clwb

2015-12-29 Thread Haozhong Zhang
On 12/30/15 09:35, Haozhong Zhang wrote: > On 12/29/15 15:46, Andrew Cooper wrote: > > On 29/12/2015 11:31, Haozhong Zhang wrote: > > >Pass CPU features CLFLUSHOPT and CLWB into HVM domain so that those two > > >instructions can be used by guest. > > > > > >The specification of above two instructio

Re: [Xen-devel] [PATCH 1/4] x86/hvm: allow guest to use clflushopt and clwb

2015-12-29 Thread Haozhong Zhang
On 12/29/15 15:46, Andrew Cooper wrote: > On 29/12/2015 11:31, Haozhong Zhang wrote: > >Pass CPU features CLFLUSHOPT and CLWB into HVM domain so that those two > >instructions can be used by guest. > > > >The specification of above two instructions can be found in > >https://software.intel.com/site

Re: [Xen-devel] [PATCH 1/4] x86/hvm: allow guest to use clflushopt and clwb

2015-12-29 Thread Andrew Cooper
On 29/12/2015 11:31, Haozhong Zhang wrote: Pass CPU features CLFLUSHOPT and CLWB into HVM domain so that those two instructions can be used by guest. The specification of above two instructions can be found in https://software.intel.com/sites/default/files/managed/0d/53/319433-022.pdf Signed-of