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

Instead of calling kvm_emulate_wbinvd() directly.

Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2011-04-20 15:53:23 +03:00
parent d6aa10003b
commit bcaf5cc543
3 changed files with 8 additions and 1 deletions
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1
arch/x86/include/asm/kvm_emulate.h
View File

@ -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 */

2
arch/x86/kvm/emulate.c
View File

@ -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) */

6
arch/x86/kvm/x86.c
View File

@ -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,