Re: [Qemu-devel] [PATCH v2 1/2] i386: Add Intel Processor Trace feature support

2018-01-29 Thread Eduardo Habkost
On Mon, Jan 29, 2018 at 07:03:13AM +, Kang, Luwei wrote: > > > From: Chao Peng > > > > > > Expose Intel Processor Trace feature to guest. > > > > > > In order to make this feature migration-safe, new feature word > > > information "FEAT_INTEL_PT_EBX" and

Re: [Qemu-devel] [PATCH v2 1/2] i386: Add Intel Processor Trace feature support

2018-01-28 Thread Kang, Luwei
> > From: Chao Peng > > > > Expose Intel Processor Trace feature to guest. > > > > In order to make this feature migration-safe, new feature word > > information "FEAT_INTEL_PT_EBX" and "FEAT_INTEL_PT_ECX" be added. > > Some constant value initialized in

Re: [Qemu-devel] [PATCH v2 1/2] i386: Add Intel Processor Trace feature support

2018-01-26 Thread Eduardo Habkost
On Fri, Jan 26, 2018 at 02:25:50AM +0800, Luwei Kang wrote: > From: Chao Peng > > Expose Intel Processor Trace feature to guest. > > In order to make this feature migration-safe, new feature word > information "FEAT_INTEL_PT_EBX" and "FEAT_INTEL_PT_ECX" be added. >

[Qemu-devel] [PATCH v2 1/2] i386: Add Intel Processor Trace feature support

2018-01-26 Thread Luwei Kang
From: Chao Peng Expose Intel Processor Trace feature to guest. In order to make this feature migration-safe, new feature word information "FEAT_INTEL_PT_EBX" and "FEAT_INTEL_PT_ECX" be added. Some constant value initialized in CPUID[0x14].0x01 to guarantee get same