From: Paolo Bonzini <pbonzini@xxxxxxxxxx> commit 6c0238c4a62b3a0b1201aeb7e33a4636d552a436 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@xxxxxxxxxxxxxxx Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/x86/kvm/svm/nested.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -150,7 +150,7 @@ static void copy_vmcb_control_area(struc 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;
