[lkml]   [2017]   [Aug]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 2/3] KVM: x86: simplify handling of PKRU
On 24.08.2017 12:12, Paolo Bonzini wrote:
> Move it to struct kvm_arch_vcpu, replacing guest_pkru_valid with a
> simple comparison against the host value of the register. The write of
> PKRU in addition can be skipped if the guest has not enabled the feature.
> Once we do this, we need not test OSPKE in the host anymore, because
> guest_CR4.PKE=1 implies host_CR4.PKE=1.
> The static PKU test is kept to elide the code on older CPUs.

From what I can tell, this looks good to me!




 \ /
  Last update: 2017-08-24 20:01    [W:0.108 / U:1.904 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site