Re: [PATCH 4/7] x86/msr-index: Define IA32_PASID MSR

Fenghua Yu
2020-04-27T20:51:52Z

On Sun, Apr 26, 2020 at 01:22:00PM +0200, Thomas Gleixner wrote:
> Fenghua Yu <fenghua.yu@intel.com> writes:
>
> > The IA32_PASID MSR (0xd93) contains the Process Address Space Identifier
> > (PASID), a 20-bit value. Bit 31 must be set to indicate the value
> > programmed in the MSR is valid. Hardware uses PASID to identify which
> > process submits the work and direct responses to the right process.
>
> No. It does not identify the process. It identifies the process' address
> space as the name says.
>
> Please provide coherent and precise information.

Ok. Will change to address space identification.

Thanks.

-Fenghua