Messages in this thread Patch in this message | | | From | Anshuman Khandual <> | Subject | [PATCH] driver: perf: arm_pmuv3: Identify 'event->attr.config1' based attributes | Date | Mon, 9 Oct 2023 10:47:53 +0530 |
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This defines macros to identify long and rdpmc attributes which get carried inside 'event->attr.config1', thus making the code explicit and clear.
Cc: Will Deacon <will@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> --- This applies on v6.6-rc5.
drivers/perf/arm_pmuv3.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/perf/arm_pmuv3.c b/drivers/perf/arm_pmuv3.c index 94723d00548e..797ffd5a8fed 100644 --- a/drivers/perf/arm_pmuv3.c +++ b/drivers/perf/arm_pmuv3.c @@ -298,16 +298,19 @@ PMU_FORMAT_ATTR(event, "config:0-15"); PMU_FORMAT_ATTR(long, "config1:0"); PMU_FORMAT_ATTR(rdpmc, "config1:1"); +#define ARM_PMUV3_ATTR_LONG 0x01 +#define ARM_PMUV3_ATTR_RDPMC 0x02 + static int sysctl_perf_user_access __read_mostly; static inline bool armv8pmu_event_is_64bit(struct perf_event *event) { - return event->attr.config1 & 0x1; + return event->attr.config1 & ARM_PMUV3_ATTR_LONG; } static inline bool armv8pmu_event_want_user_access(struct perf_event *event) { - return event->attr.config1 & 0x2; + return event->attr.config1 & ARM_PMUV3_ATTR_RDPMC; } static struct attribute *armv8_pmuv3_format_attrs[] = { -- 2.25.1
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