KVM: SVM: Add clean-bit for LBR state
This patch implements the clean-bit for all LBR related
state. This includes the debugctl, br_from, br_to,
last_excp_from, and last_excp_to msrs.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index d2ddad9..58cabb55 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -197,6 +197,7 @@
VMCB_DT, /* GDT, IDT */
VMCB_SEG, /* CS, DS, SS, ES, CPL */
VMCB_CR2, /* CR2 only */
+ VMCB_LBR, /* DBGCTL, BR_FROM, BR_TO, LAST_EX_FROM, LAST_EX_TO */
VMCB_DIRTY_MAX,
};
@@ -2847,6 +2848,7 @@
return 1;
svm->vmcb->save.dbgctl = data;
+ mark_dirty(svm->vmcb, VMCB_LBR);
if (data & (1ULL<<0))
svm_enable_lbrv(svm);
else