Commit 118eb89b authored by Anshuman Khandual's avatar Anshuman Khandual Committed by Will Deacon
Browse files

drivers: perf: arm_pmu: Drop 'pmu_lock' element from 'struct pmu_hw_events' 



As 'pmu_lock' element is not being used in any ARM PMU implementation, just
drop this from 'struct pmu_hw_events'.

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: default avatarAnshuman Khandual <anshuman.khandual@arm.com>
Acked-by: default avatarMark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20231115092805.737822-3-anshuman.khandual@arm.com


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent 5cd7da19

drivers/perf/arm_pmu.c

+0 −1
Original line number Diff line number Diff line
@@ -893,7 +893,6 @@ struct arm_pmu *armpmu_alloc(void) 
		struct pmu_hw_events *events;



		events = per_cpu_ptr(pmu->hw_events, cpu);

		raw_spin_lock_init(&events->pmu_lock);

		events->percpu_pmu = pmu;

	}

include/linux/perf/arm_pmu.h

+0 −6
Original line number Diff line number Diff line
@@ -59,12 +59,6 @@ struct pmu_hw_events { 
	 */

	DECLARE_BITMAP(used_mask, ARMPMU_MAX_HWEVENTS);



	/*

	 * Hardware lock to serialize accesses to PMU registers. Needed for the

	 * read/modify/write sequences.

	 */

	raw_spinlock_t		pmu_lock;



	/*

	 * When using percpu IRQs, we need a percpu dev_id. Place it here as we

	 * already have to allocate this struct per cpu.