[PATCH 1/2] kvm: x86: add likely to sched_info_on()

From: Yi Wang
Date: Thu Jul 04 2019 - 07:48:12 EST


The condition to test is likely() to be true when make defconfig.
Add the hint.

Signed-off-by: Yi Wang <wang.yi59@xxxxxxxxxx>
---
arch/x86/kvm/cpuid.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 4992e7c..64fff41 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -642,7 +642,7 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
(1 << KVM_FEATURE_ASYNC_PF_VMEXIT) |
(1 << KVM_FEATURE_PV_SEND_IPI);

- if (sched_info_on())
+ if (likely(sched_info_on()))
entry->eax |= (1 << KVM_FEATURE_STEAL_TIME);

entry->ebx = 0;
--
1.8.3.1