Messages in this thread Patch in this message | | | From | cgel.zte@gmail ... | Subject | [PATCH linux-next] KVM: selftests: remove redundant variable tsc_val | Date | Wed, 31 Aug 2022 14:31:50 +0000 |
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From: Jinpeng Cui <cui.jinpeng2@zte.com.cn>
Return value directly from expression instead of getting value from redundant variable tsc_val.
Reported-by: Zeal Robot <zealci@zte.com.cn> Signed-off-by: Jinpeng Cui <cui.jinpeng2@zte.com.cn> --- 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
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