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| author | Paolo Bonzini <pbonzini@redhat.com> | 2020-05-20 14:02:17 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-05-27 19:11:11 +0200 |
| commit | 6c0238c4a62b3a0b1201aeb7e33a4636d552a436 (patch) | |
| tree | 692fe4eb2b0ff25dd9c67d102e6e099d4228400f /arch/x86/kvm/svm | |
| parent | KVM: nSVM: fix condition for filtering async PF (diff) | |
| download | linux-6c0238c4a62b3a0b1201aeb7e33a4636d552a436.tar.xz linux-6c0238c4a62b3a0b1201aeb7e33a4636d552a436.zip | |
KVM: nSVM: leave ASID aside in copy_vmcb_control_area
Restoring the ASID from the hsave area on VMEXIT is wrong, because its
value depends on the handling of TLB flushes. Just skipping the field in
copy_vmcb_control_area will do.
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm')
| -rw-r--r-- | arch/x86/kvm/svm/nested.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index f4cd2d0cc360..d544cce4f964 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -150,7 +150,7 @@ static void copy_vmcb_control_area(struct vmcb *dst_vmcb, struct vmcb *from_vmcb dst->iopm_base_pa = from->iopm_base_pa; dst->msrpm_base_pa = from->msrpm_base_pa; dst->tsc_offset = from->tsc_offset; - dst->asid = from->asid; + /* asid not copied, it is handled manually for svm->vmcb. */ dst->tlb_ctl = from->tlb_ctl; dst->int_ctl = from->int_ctl; dst->int_vector = from->int_vector; |