Commit ff436cee authored by Robin Murphy's avatar Robin Murphy Committed by Will Deacon
Browse files

perf/arm-cmn: Improve build-time assertion 



These days we can use static_assert() in the logical place rather than
jamming a BUILD_BUG_ON() into the nearest function scope.

Signed-off-by: default avatarRobin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/224ee8286f299100f1c768edb254edc898539f50.1725296395.git.robin.murphy@arm.com


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent 359414b3

drivers/perf/arm-cmn.c

+1 −1
Original line number Diff line number Diff line
@@ -581,6 +581,7 @@ struct arm_cmn_hw_event { 
	bool wide_sel;

	enum cmn_filter_select filter_sel;

};

static_assert(sizeof(struct arm_cmn_hw_event) <= offsetof(struct hw_perf_event, target));



#define for_each_hw_dn(hw, dn, i) \

	for (i = 0, dn = hw->dn; i < hw->num_dns; i++, dn++)
@@ -591,7 +592,6 @@ struct arm_cmn_hw_event { 


static struct arm_cmn_hw_event *to_cmn_hw(struct perf_event *event)

{

	BUILD_BUG_ON(sizeof(struct arm_cmn_hw_event) > offsetof(struct hw_perf_event, target));

	return (struct arm_cmn_hw_event *)&event->hw;

}