The function __perf_reg_mask has an unsigned return type, but returns a negative constant to indicate an error condition. So we change unsigned to int.
Signed-off-by: Haowen Bai baihaowen@meizu.com --- tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c b/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c index fca054bbc094..c01a31d5f4ee 100644 --- a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c +++ b/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c @@ -274,7 +274,7 @@ u64 *get_intr_regs(struct event *event, void *sample_buff) return intr_regs; }
-static const unsigned int __perf_reg_mask(const char *register_name) +static const int __perf_reg_mask(const char *register_name) { if (!strcmp(register_name, "R0")) return 0;
On 4/24/22 13:56, Haowen Bai wrote:
The function __perf_reg_mask has an unsigned return type, but returns a negative constant to indicate an error condition. So we change unsigned to int.
Signed-off-by: Haowen Bai baihaowen@meizu.com
tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c b/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c index fca054bbc094..c01a31d5f4ee 100644 --- a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c +++ b/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c @@ -274,7 +274,7 @@ u64 *get_intr_regs(struct event *event, void *sample_buff) return intr_regs; } -static const unsigned int __perf_reg_mask(const char *register_name) +static const int __perf_reg_mask(const char *register_name) {
Hi Haowen, Thanks for correcting it. Can you also add fix tag with corresponding commit id details.
Other than that patch looks good to me.
Reviewed-by: Kajol Jainkjain@linux.ibm.com
Thanks, Kajol Jain
if (!strcmp(register_name, "R0")) return 0;
The function __perf_reg_mask has an unsigned return type, but returns a negative constant to indicate an error condition. So we change unsigned to int.
Fixes: 5f6c3061af7c ("selftests/powerpc/pmu: Add utility functions to post process the mmap buffer")
Signed-off-by: Haowen Bai baihaowen@meizu.com --- V1->V2: add fix tag.
tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c b/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c index fca054bbc094..c01a31d5f4ee 100644 --- a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c +++ b/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c @@ -274,7 +274,7 @@ u64 *get_intr_regs(struct event *event, void *sample_buff) return intr_regs; }
-static const unsigned int __perf_reg_mask(const char *register_name) +static const int __perf_reg_mask(const char *register_name) { if (!strcmp(register_name, "R0")) return 0;
On Sun, 24 Apr 2022 16:26:41 +0800, Haowen Bai wrote:
The function __perf_reg_mask has an unsigned return type, but returns a negative constant to indicate an error condition. So we change unsigned to int.
Applied to powerpc/next.
[1/1] selftests/powerpc/pmu: Fix unsigned function returning negative constant https://git.kernel.org/powerpc/c/a84ca704d8306a949578d36c028c8e1bab3dcf0b
cheers
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