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Commit 19b4aff2 authored by Suzuki K Poulose's avatar Suzuki K Poulose Committed by Will Deacon
Browse files

perf: arm_spe: Prevent module unload while the PMU is in use 



When the PMU driver is built as a module, the perf expects the
pmu->module to be valid, so that the driver is prevented from
being unloaded while it is in use. Fix the SPE pmu driver to
fill in this field.

Cc: Will Deacon <will.deacon@arm.com>
Acked-by: default avatarMark Rutland <mark.rutland@arm.com>
Signed-off-by: default avatarSuzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent d125bffc

drivers/perf/arm_spe_pmu.c

+1 −0
Original line number Diff line number Diff line
@@ -889,6 +889,7 @@ static int arm_spe_pmu_perf_init(struct arm_spe_pmu *spe_pmu) 
	struct device *dev = &spe_pmu->pdev->dev;



	spe_pmu->pmu = (struct pmu) {

		.module = THIS_MODULE,

		.capabilities	= PERF_PMU_CAP_EXCLUSIVE | PERF_PMU_CAP_ITRACE,

		.attr_groups	= arm_spe_pmu_attr_groups,

		/*