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(parent: 7dcd575) | patch
x86/kvm/mmu: check if MMU reconfiguration is needed in init_kvm_nested_mmu()
authorVitaly Kuznetsov <vkuznets@redhat.com>
Mon, 8 Oct 2018 19:28:13 +0000 (21:28 +0200)
committerPaolo Bonzini <pbonzini@redhat.com>
Tue, 16 Oct 2018 22:30:07 +0000 (00:30 +0200)
commitbf627a9288372d065f157ea445d11b900575193e
treef145ab1ad791966a994db9966e9f340ab5418ab1tree | snapshot
parent7dcd575520082f186231777f4ac9f59ce14d6961commit | diff
x86/kvm/mmu: check if MMU reconfiguration is needed in init_kvm_nested_mmu()

We don't use root page role for nested_mmu, however, optimizing out
re-initialization in case nothing changed is still valuable as this
is done for every nested vmentry.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/mmu.c diff | blob | history
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