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| author | Paolo Bonzini <pbonzini@redhat.com> | 2020-05-19 11:04:49 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-05-27 19:08:29 +0200 |
| commit | e7581caca4c105d81a490a3e15cf46d6407e3fa7 (patch) | |
| tree | 8b8bcd58bfb769ea864dc6631b018674a76addf6 /arch/x86/kvm/svm | |
| parent | KVM: x86: don't expose MSR_IA32_UMWAIT_CONTROL unconditionally (diff) | |
| download | linux-e7581caca4c105d81a490a3e15cf46d6407e3fa7.tar.xz linux-e7581caca4c105d81a490a3e15cf46d6407e3fa7.zip | |
KVM: x86: simplify is_mmio_spte
We can simply look at bits 52-53 to identify MMIO entries in KVM's page
tables. Therefore, there is no need to pass a mask to kvm_mmu_set_mmio_spte_mask.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm')
| -rw-r--r-- | arch/x86/kvm/svm/svm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index a862c768fd54..3c9b321a420a 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -780,7 +780,7 @@ static __init void svm_adjust_mmio_mask(void) */ mask = (mask_bit < 52) ? rsvd_bits(mask_bit, 51) | PT_PRESENT_MASK : 0; - kvm_mmu_set_mmio_spte_mask(mask, mask, PT_WRITABLE_MASK | PT_USER_MASK); + kvm_mmu_set_mmio_spte_mask(mask, PT_WRITABLE_MASK | PT_USER_MASK); } static void svm_hardware_teardown(void) |