Re: Live migration regarding Intel PT

2021-08-26 Thread Eduardo Habkost
On Thu, Aug 26, 2021 at 10:16:26AM +0800, Xiaoyao Li wrote: > On 8/26/2021 4:48 AM, Eduardo Habkost wrote: > > On Wed, Aug 25, 2021 at 02:59:37PM +0800, Xiaoyao Li wrote: > > > Hi Eduardo, > > > > > > I have some question regrading Intel PT live migration. > > > > > > Commit "e37a5c7fa459 (i386:

Re: Live migration regarding Intel PT

2021-08-25 Thread Xiaoyao Li
On 8/26/2021 4:48 AM, Eduardo Habkost wrote: On Wed, Aug 25, 2021 at 02:59:37PM +0800, Xiaoyao Li wrote: Hi Eduardo, I have some question regrading Intel PT live migration. Commit "e37a5c7fa459 (i386: Add Intel Processor Trace feature support)" expose Intel PT with a fixed capabilities of CPUI

Re: Live migration regarding Intel PT

2021-08-25 Thread Eduardo Habkost
On Wed, Aug 25, 2021 at 02:59:37PM +0800, Xiaoyao Li wrote: > Hi Eduardo, > > I have some question regrading Intel PT live migration. > > Commit "e37a5c7fa459 (i386: Add Intel Processor Trace feature support)" > expose Intel PT with a fixed capabilities of CPUID 0x14 for live migration. > And the

Live migration regarding Intel PT

2021-08-25 Thread Xiaoyao Li
Hi Eduardo, I have some question regrading Intel PT live migration. Commit "e37a5c7fa459 (i386: Add Intel Processor Trace feature support)" expose Intel PT with a fixed capabilities of CPUID 0x14 for live migration. And the fixed capabilities are the value reported on ICX(IceLake). However, t