From: Jinpeng Cui <cui.jinpeng2@xxxxxxxxxx>
Return value directly from expression instead of
getting value from redundant variable tsc_val.
Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: Jinpeng Cui <cui.jinpeng2@xxxxxxxxxx>
---
tools/testing/selftests/kvm/include/x86_64/processor.h | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h
index 0cbc71b7af50..75920678f34d 100644
--- a/tools/testing/selftests/kvm/include/x86_64/processor.h
+++ b/tools/testing/selftests/kvm/include/x86_64/processor.h
@@ -237,7 +237,6 @@ static inline uint64_t get_desc64_base(const struct desc64 *desc)
static inline uint64_t rdtsc(void)
{
uint32_t eax, edx;
- uint64_t tsc_val;
/*
* The lfence is to wait (on Intel CPUs) until all previous
* instructions have been executed. If software requires RDTSC to be
@@ -245,8 +244,8 @@ static inline uint64_t rdtsc(void)
* execute LFENCE immediately after RDTSC
*/
__asm__ __volatile__("lfence; rdtsc; lfence" : "=a"(eax), "=d"(edx));
- tsc_val = ((uint64_t)edx) << 32 | eax;
- return tsc_val;
+
+ return ((uint64_t)edx) << 32 | eax;
}
static inline uint64_t rdtscp(uint32_t *aux)
--
2.25.1
