[PATCH] x86: Simplify the return expression

From: zuoqilin1
Date: Fri Mar 26 2021 - 07:29:26 EST


From: zuoqilin <zuoqilin@xxxxxxxxxx>

Simplify the return expression of kvm_compute_tsc_offset().

Signed-off-by: zuoqilin <zuoqilin@xxxxxxxxxx>
---
arch/x86/kvm/x86.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index fe806e8..3906c1b 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2209,11 +2209,7 @@ u64 kvm_scale_tsc(struct kvm_vcpu *vcpu, u64 tsc)

static u64 kvm_compute_tsc_offset(struct kvm_vcpu *vcpu, u64 target_tsc)
{
- u64 tsc;
-
- tsc = kvm_scale_tsc(vcpu, rdtsc());
-
- return target_tsc - tsc;
+ return target_tsc - kvm_scale_tsc(vcpu, rdtsc());
}

u64 kvm_read_l1_tsc(struct kvm_vcpu *vcpu, u64 host_tsc)
--
1.9.1