KVM: x86 emulator: add new ->wbinvd() callback

Instead of calling kvm_emulate_wbinvd() directly.

Signed-off-by: Avi Kivity <avi@redhat.com>

3 files changed, 8 insertions, 1 deletions

diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index d30840ddd2f3..51341d6b2f31 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -187,6 +187,7 @@ struct x86_emulate_ops {
         int (*set_msr)(struct x86_emulate_ctxt *ctxt, u32 msr_index, u64 data);
         int (*get_msr)(struct x86_emulate_ctxt *ctxt, u32 msr_index, u64 *pdata);
         void (*halt)(struct x86_emulate_ctxt *ctxt);
+        void (*wbinvd)(struct x86_emulate_ctxt *ctxt);
         int (*fix_hypercall)(struct x86_emulate_ctxt *ctxt);
         void (*get_fpu)(struct x86_emulate_ctxt *ctxt); /* disables preempt */
         void (*put_fpu)(struct x86_emulate_ctxt *ctxt); /* reenables preempt */
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 64e7373d3b2b..522bc35d290c 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -4092,7 +4092,7 @@ twobyte_insn:
                 rc = em_clts(ctxt);
                 break;
         case 0x09:              /* wbinvd */
-                kvm_emulate_wbinvd(ctxt->vcpu);
+                ctxt->ops->wbinvd(ctxt);
                 break;
         case 0x08:              /* invd */
         case 0x0d:              /* GrpP (prefetch) */
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 4a2b40e25021..5d853d540f95 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4154,6 +4154,11 @@ int kvm_emulate_wbinvd(struct kvm_vcpu *vcpu)
 }
 EXPORT_SYMBOL_GPL(kvm_emulate_wbinvd);
 
+static void emulator_wbinvd(struct x86_emulate_ctxt *ctxt)
+{
+        kvm_emulate_wbinvd(emul_to_vcpu(ctxt));
+}
+
 int emulator_get_dr(struct x86_emulate_ctxt *ctxt, int dr, unsigned long *dest)
 {
         return _kvm_get_dr(emul_to_vcpu(ctxt), dr, dest);
@@ -4408,6 +4413,7 @@ static struct x86_emulate_ops emulate_ops = {
         .set_msr             = emulator_set_msr,
         .get_msr             = emulator_get_msr,
         .halt                = emulator_halt,
+        .wbinvd              = emulator_wbinvd,
         .fix_hypercall       = emulator_fix_hypercall,
         .get_fpu             = emulator_get_fpu,
         .put_fpu             = emulator_put_fpu,