The build was showing the warning:
aperf.c:60:27: warning: iteration 2147483647 invokes undefined behavior
[-Waggressive-loop-optimizations]
for (i=0; i<0x8fffffff; i++) {
This change sets i, cpu and fd to unsigned int as they should not need
to be signed.
Cc: Prarit Bhargava <prarit@xxxxxxxxxx>
Signed-off-by: Stafford Horne <shorne@xxxxxxxxx>
---
tools/testing/selftests/intel_pstate/aperf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/intel_pstate/aperf.c b/tools/testing/selftests/intel_pstate/aperf.c
index 6046e18..cd72f3d 100644
--- a/tools/testing/selftests/intel_pstate/aperf.c
+++ b/tools/testing/selftests/intel_pstate/aperf.c
@@ -14,7 +14,7 @@ void usage(char *name) {
}
int main(int argc, char **argv) {
- int i, cpu, fd;
+ unsigned int i, cpu, fd;
char msr_file_name[64];
long long tsc, old_tsc, new_tsc;
long long aperf, old_aperf, new_aperf;
--
2.9.3
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