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[v2,55/60] KVM: PPC: Book3S HV P9: Add unlikely annotation for !mmu_ready

Message ID 20210811160134.904987-56-npiggin@gmail.com
State New
Headers show
Series KVM: PPC: Book3S HV P9: entry/exit optimisations | expand

Commit Message

Nicholas Piggin Aug. 11, 2021, 4:01 p.m. UTC 
The mmu will almost always be ready.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 arch/powerpc/kvm/book3s_hv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 979223018c8e..d3fc486a4817 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -4399,7 +4399,7 @@  int kvmhv_run_single_vcpu(struct kvm_vcpu *vcpu, u64 time_limit,
 	vc->runner = vcpu;
 
 	/* See if the MMU is ready to go */
-	if (!kvm->arch.mmu_ready) {
+	if (unlikely(!kvm->arch.mmu_ready)) {
 		r = kvmhv_setup_mmu(vcpu);
 		if (r) {
 			run->exit_reason = KVM_EXIT_FAIL_ENTRY;