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(parent: 36d9594) | patch
x86/kvm/nVMX: introduce source data cache for kvm_init_shadow_ept_mmu()
authorVitaly Kuznetsov <vkuznets@redhat.com>
Mon, 8 Oct 2018 19:28:11 +0000 (21:28 +0200)
committerPaolo Bonzini <pbonzini@redhat.com>
Tue, 16 Oct 2018 22:30:06 +0000 (00:30 +0200)
commita336282d7753a92ced7b8e52ff959929f6e550ff
tree8eef48cca30f0e1d0a860eb932c5dc1c74e2762atree | snapshot
parent36d9594dfbf22a59adb986d85e0543886ab898f2commit | diff
x86/kvm/nVMX: introduce source data cache for kvm_init_shadow_ept_mmu()

MMU re-initialization is expensive, in particular,
update_permission_bitmask() and update_pkru_bitmask() are.

Cache the data used to setup shadow EPT MMU and avoid full re-init when
it is unchanged.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/include/asm/kvm_host.h diff | blob | blame | history
arch/x86/kvm/mmu.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git