On 11/06/15 21:40, Paolo Bonzini wrote:
>
>
> On 06/11/2015 13:42, Haozhong Zhang wrote:
> > On 11/06/15 11:49, Paolo Bonzini wrote:
> >>
> >>
> >> On 20/10/2015 09:39, Haozhong Zhang wrote:
> >>> This patchset adds support for VMX TSC scaling feature which is
> >>> available on Intel Skylake
On 11/06/15 21:40, Paolo Bonzini wrote:
>
>
> On 06/11/2015 13:42, Haozhong Zhang wrote:
> > On 11/06/15 11:49, Paolo Bonzini wrote:
> >>
> >>
> >> On 20/10/2015 09:39, Haozhong Zhang wrote:
> >>> This patchset adds support for VMX TSC scaling feature which is
> >>> available on Intel Skylake
On 06/11/2015 13:42, Haozhong Zhang wrote:
> On 11/06/15 11:49, Paolo Bonzini wrote:
>>
>>
>> On 20/10/2015 09:39, Haozhong Zhang wrote:
>>> This patchset adds support for VMX TSC scaling feature which is
>>> available on Intel Skylake CPU. The specification of VMX TSC scaling
>>> can be found
On 11/06/15 11:49, Paolo Bonzini wrote:
>
>
> On 20/10/2015 09:39, Haozhong Zhang wrote:
> > This patchset adds support for VMX TSC scaling feature which is
> > available on Intel Skylake CPU. The specification of VMX TSC scaling
> > can be found at
> >
On 20/10/2015 09:39, Haozhong Zhang wrote:
> This patchset adds support for VMX TSC scaling feature which is
> available on Intel Skylake CPU. The specification of VMX TSC scaling
> can be found at
>
On 20/10/2015 09:39, Haozhong Zhang wrote:
> This patchset adds support for VMX TSC scaling feature which is
> available on Intel Skylake CPU. The specification of VMX TSC scaling
> can be found at
>
On 11/06/15 11:49, Paolo Bonzini wrote:
>
>
> On 20/10/2015 09:39, Haozhong Zhang wrote:
> > This patchset adds support for VMX TSC scaling feature which is
> > available on Intel Skylake CPU. The specification of VMX TSC scaling
> > can be found at
> >
On 06/11/2015 13:42, Haozhong Zhang wrote:
> On 11/06/15 11:49, Paolo Bonzini wrote:
>>
>>
>> On 20/10/2015 09:39, Haozhong Zhang wrote:
>>> This patchset adds support for VMX TSC scaling feature which is
>>> available on Intel Skylake CPU. The specification of VMX TSC scaling
>>> can be found
On Fri, Oct 23, 2015 at 02:51:06PM +0200, Paolo Bonzini wrote:
>
>
> On 23/10/2015 14:46, Joerg Roedel wrote:
> >> > No, since I don't have AMD machines at hand. The modifications to SVM
> >> > code are mostly lifting common code with VMX TSC scaling code, so it
> >> > should still work on AMD
Following is how I test this patchset. It should also apply to AMD
machines by replacing Intel with AMD and VMX TSC scaling with SVM TSC
ratio.
* Hardware Requirements
1) Two machines with Intel CPUs, called M_A and M_B below.
2) TSC frequency of CPUs on M_A is different from CPUs on M_B.
On Fri, Oct 23, 2015 at 02:46:19PM +0200, Joerg Roedel wrote:
> On Fri, Oct 23, 2015 at 08:32:28PM +0800, Haozhong Zhang wrote:
> > No, since I don't have AMD machines at hand. The modifications to SVM
> > code are mostly lifting common code with VMX TSC scaling code, so it
> > should still work
On 23/10/2015 14:46, Joerg Roedel wrote:
>> > No, since I don't have AMD machines at hand. The modifications to SVM
>> > code are mostly lifting common code with VMX TSC scaling code, so it
>> > should still work on AMD machines.
> Well, I think it would be good if you can provide a Tested-by on
On Fri, Oct 23, 2015 at 08:32:28PM +0800, Haozhong Zhang wrote:
> No, since I don't have AMD machines at hand. The modifications to SVM
> code are mostly lifting common code with VMX TSC scaling code, so it
> should still work on AMD machines.
Well, I think it would be good if you can provide a
On Fri, Oct 23, 2015 at 12:06:50PM +0200, Joerg Roedel wrote:
> On Tue, Oct 20, 2015 at 03:39:00PM +0800, Haozhong Zhang wrote:
> > VMX TSC scaling shares some common logics with SVM TSC ratio which
> > is already supported by KVM. Patch 1 ~ 8 move those common logics from
> > SVM code to the
On Tue, Oct 20, 2015 at 03:39:00PM +0800, Haozhong Zhang wrote:
> VMX TSC scaling shares some common logics with SVM TSC ratio which
> is already supported by KVM. Patch 1 ~ 8 move those common logics from
> SVM code to the common code. Upon them, patch 9 ~ 12 add VMX-specific
> support for VMX
On Tue, Oct 20, 2015 at 03:39:00PM +0800, Haozhong Zhang wrote:
> VMX TSC scaling shares some common logics with SVM TSC ratio which
> is already supported by KVM. Patch 1 ~ 8 move those common logics from
> SVM code to the common code. Upon them, patch 9 ~ 12 add VMX-specific
> support for VMX
On Fri, Oct 23, 2015 at 08:32:28PM +0800, Haozhong Zhang wrote:
> No, since I don't have AMD machines at hand. The modifications to SVM
> code are mostly lifting common code with VMX TSC scaling code, so it
> should still work on AMD machines.
Well, I think it would be good if you can provide a
On 23/10/2015 14:46, Joerg Roedel wrote:
>> > No, since I don't have AMD machines at hand. The modifications to SVM
>> > code are mostly lifting common code with VMX TSC scaling code, so it
>> > should still work on AMD machines.
> Well, I think it would be good if you can provide a Tested-by on
On Fri, Oct 23, 2015 at 02:46:19PM +0200, Joerg Roedel wrote:
> On Fri, Oct 23, 2015 at 08:32:28PM +0800, Haozhong Zhang wrote:
> > No, since I don't have AMD machines at hand. The modifications to SVM
> > code are mostly lifting common code with VMX TSC scaling code, so it
> > should still work
On Fri, Oct 23, 2015 at 12:06:50PM +0200, Joerg Roedel wrote:
> On Tue, Oct 20, 2015 at 03:39:00PM +0800, Haozhong Zhang wrote:
> > VMX TSC scaling shares some common logics with SVM TSC ratio which
> > is already supported by KVM. Patch 1 ~ 8 move those common logics from
> > SVM code to the
On Fri, Oct 23, 2015 at 02:51:06PM +0200, Paolo Bonzini wrote:
>
>
> On 23/10/2015 14:46, Joerg Roedel wrote:
> >> > No, since I don't have AMD machines at hand. The modifications to SVM
> >> > code are mostly lifting common code with VMX TSC scaling code, so it
> >> > should still work on AMD
Following is how I test this patchset. It should also apply to AMD
machines by replacing Intel with AMD and VMX TSC scaling with SVM TSC
ratio.
* Hardware Requirements
1) Two machines with Intel CPUs, called M_A and M_B below.
2) TSC frequency of CPUs on M_A is different from CPUs on M_B.
This patchset adds support for VMX TSC scaling feature which is
available on Intel Skylake CPU. The specification of VMX TSC scaling
can be found at
http://www.intel.com/content/www/us/en/processors/timestamp-counter-scaling-virtualization-white-paper.html
VMX TSC scaling allows guest TSC which
This patchset adds support for VMX TSC scaling feature which is
available on Intel Skylake CPU. The specification of VMX TSC scaling
can be found at
http://www.intel.com/content/www/us/en/processors/timestamp-counter-scaling-virtualization-white-paper.html
VMX TSC scaling allows guest TSC which
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