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authorPaolo Bonzini <pbonzini@redhat.com>2020-05-20 08:02:17 -0400
committerPaolo Bonzini <pbonzini@redhat.com>2020-05-27 13:11:11 -0400
commit6c0238c4a62b3a0b1201aeb7e33a4636d552a436 (patch)
tree692fe4eb2b0ff25dd9c67d102e6e099d4228400f /arch/x86/kvm/svm
parenta3535be731c2a343912578465021f50937f7b099 (diff)
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.c2
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;