RE: [PATCH] KVM: x86: Expose CLDEMOTE CPU feature to guest VM

2018-06-11 Thread Liu, Jingqi
On 5/8/2018 12:30 AM, Paolo Bonzini wrote: > > On 04/05/2018 05:55, Jingqi Liu wrote: > > The CLDEMOTE instruction hints to hardware that the cache line that > > contains the linear address should be moved("demoted") from the > > cache(s) closest to the processor core to a level more distant

RE: [PATCH] KVM: x86: Expose CLDEMOTE CPU feature to guest VM

2018-06-11 Thread Liu, Jingqi
On 5/8/2018 12:30 AM, Paolo Bonzini wrote: > > On 04/05/2018 05:55, Jingqi Liu wrote: > > The CLDEMOTE instruction hints to hardware that the cache line that > > contains the linear address should be moved("demoted") from the > > cache(s) closest to the processor core to a level more distant

RE: [PATCH] KVM: x86: Expose CLDEMOTE CPU feature to guest VM

2018-05-09 Thread Wang, Wei W
On Wednesday, May 9, 2018 7:52 PM, Paolo Bonzini wrote: > On 08/05/2018 04:03, Liu, Jingqi wrote: > > Hi Paolo, > > Thanks. > > Will you help to modify the Signed-off-by chain ? > > Or do I need to submit the second version after modifying the Signed-off- > by chain ? > > Can you explain your

RE: [PATCH] KVM: x86: Expose CLDEMOTE CPU feature to guest VM

2018-05-09 Thread Wang, Wei W
On Wednesday, May 9, 2018 7:52 PM, Paolo Bonzini wrote: > On 08/05/2018 04:03, Liu, Jingqi wrote: > > Hi Paolo, > > Thanks. > > Will you help to modify the Signed-off-by chain ? > > Or do I need to submit the second version after modifying the Signed-off- > by chain ? > > Can you explain your

Re: [PATCH] KVM: x86: Expose CLDEMOTE CPU feature to guest VM

2018-05-09 Thread Paolo Bonzini
On 08/05/2018 04:03, Liu, Jingqi wrote: > Hi Paolo, > Thanks. > Will you help to modify the Signed-off-by chain ? > Or do I need to submit the second version after modifying the Signed-off-by > chain ? Can you explain your role and Wei Wang's in the development of the patch? Thanks, Paolo

Re: [PATCH] KVM: x86: Expose CLDEMOTE CPU feature to guest VM

2018-05-09 Thread Paolo Bonzini
On 08/05/2018 04:03, Liu, Jingqi wrote: > Hi Paolo, > Thanks. > Will you help to modify the Signed-off-by chain ? > Or do I need to submit the second version after modifying the Signed-off-by > chain ? Can you explain your role and Wei Wang's in the development of the patch? Thanks, Paolo

RE: [PATCH] KVM: x86: Expose CLDEMOTE CPU feature to guest VM

2018-05-07 Thread Liu, Jingqi
, Jingqi <jingqi@intel.com>; k...@vger.kernel.org Cc: rkrc...@redhat.com; t...@linutronix.de; mi...@redhat.com; h...@zytor.com; x...@kernel.org; linux-kernel@vger.kernel.org; Wang, Wei W <wei.w.w...@intel.com> Subject: Re: [PATCH] KVM: x86: Expose CLDEMOTE CPU feature to guest VM On 0

RE: [PATCH] KVM: x86: Expose CLDEMOTE CPU feature to guest VM

2018-05-07 Thread Liu, Jingqi
, Jingqi ; k...@vger.kernel.org Cc: rkrc...@redhat.com; t...@linutronix.de; mi...@redhat.com; h...@zytor.com; x...@kernel.org; linux-kernel@vger.kernel.org; Wang, Wei W Subject: Re: [PATCH] KVM: x86: Expose CLDEMOTE CPU feature to guest VM On 04/05/2018 05:55, Jingqi Liu wrote: > The CLDEM

Re: [PATCH] KVM: x86: Expose CLDEMOTE CPU feature to guest VM

2018-05-07 Thread Paolo Bonzini
On 04/05/2018 05:55, Jingqi Liu wrote: > The CLDEMOTE instruction hints to hardware that the cache line that > contains the linear address should be moved("demoted") from > the cache(s) closest to the processor core to a level more distant > from the processor core. This may accelerate subsequent

Re: [PATCH] KVM: x86: Expose CLDEMOTE CPU feature to guest VM

2018-05-07 Thread Paolo Bonzini
On 04/05/2018 05:55, Jingqi Liu wrote: > The CLDEMOTE instruction hints to hardware that the cache line that > contains the linear address should be moved("demoted") from > the cache(s) closest to the processor core to a level more distant > from the processor core. This may accelerate subsequent