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KVM: nSVM: leave ASID aside in copy_vmcb_control_area
commit 6c0238c4a6
upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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parent
3c0bee0c07
commit
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1 changed files with 1 additions and 1 deletions
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@ -3327,7 +3327,7 @@ static inline void copy_vmcb_control_area(struct vmcb *dst_vmcb, struct vmcb *fr
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dst->iopm_base_pa = from->iopm_base_pa;
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dst->msrpm_base_pa = from->msrpm_base_pa;
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dst->tsc_offset = from->tsc_offset;
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dst->asid = from->asid;
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/* asid not copied, it is handled manually for svm->vmcb. */
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dst->tlb_ctl = from->tlb_ctl;
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dst->int_ctl = from->int_ctl;
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dst->int_vector = from->int_vector;
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