Messages in this thread Patch in this message | | | From | kan.liang@linux ... | Subject | [PATCH 1/9] perf: Add PMU_FORMAT_ATTR_SHOW | Date | Thu, 1 Dec 2022 11:56:56 -0800 |
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From: Kan Liang <kan.liang@linux.intel.com>
The macro PMU_FORMAT_ATTR facilitates the definition of both the "show" function and "format_attr". But it only works for a non-hybrid platform. For a hybrid platform, the name "format_attr_hybrid_" is used.
The definition of the "show" function can be shared between a non-hybrid platform and a hybrid platform. Add a new macro PMU_FORMAT_ATTR_SHOW.
No functional change. The PMU_FORMAT_ATTR_SHOW will be used in the following patch.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com> --- include/linux/perf_event.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 0031f7b4d9ab..ab251c737f97 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -1661,7 +1661,7 @@ static struct perf_pmu_events_attr _var = { \ .id = _id, } \ })[0].attr.attr) -#define PMU_FORMAT_ATTR(_name, _format) \ +#define PMU_FORMAT_ATTR_SHOW(_name, _format) \ static ssize_t \ _name##_show(struct device *dev, \ struct device_attribute *attr, \ @@ -1670,6 +1670,9 @@ _name##_show(struct device *dev, \ BUILD_BUG_ON(sizeof(_format) >= PAGE_SIZE); \ return sprintf(page, _format "\n"); \ } \ + +#define PMU_FORMAT_ATTR(_name, _format) \ + PMU_FORMAT_ATTR_SHOW(_name, _format) \ \ static struct device_attribute format_attr_##_name = __ATTR_RO(_name) -- 2.35.1
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