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

From: Andi Kleen
Date: Thu Dec 27 2018 - 15:53:07 EST



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