RE: [PATCH v4 10/10] KVM/x86/lbr: lazy save the guest lbr stack II

[Wang, Wei W]

On Friday, December 28, 2018 4:53 AM, Andi Kleen wrote:
> Actually forgot one case.
> 
> In Arch Perfmon v4 the LBR freezing is also controlled through a
> GLOBAL_CTRL bit.
> I didn't see any code handling that bit?

That GLOBAL_STATUS.LBR_FRZ bit hasn't been supported yet. I'll add that, thanks.

Best,
Wei

Re: [PATCH v4 10/10] KVM/x86/lbr: lazy save the guest lbr stack II

[Andi Kleen]

Actually forgot one case.

In Arch Perfmon v4 the LBR freezing is also controlled through a GLOBAL_CTRL 
bit.
I didn't see any code handling that bit?


-Andi