Message ID | 20171103114518.5311-1-suzuki.poulose@arm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Fri, Nov 03, 2017 at 11:45:17AM +0000, Suzuki K Poulose wrote: > 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> > Cc: Mark Rutland <mark.rutland@arm.com> > Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Acked-by: Mark Rutland <mark.rutland@arm.com> Mark. > --- > drivers/perf/arm_spe_pmu.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c > index 50511b13fd35..8ce262fc2561 100644 > --- a/drivers/perf/arm_spe_pmu.c > +++ b/drivers/perf/arm_spe_pmu.c > @@ -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, > /* > -- > 2.13.6 >
diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c index 50511b13fd35..8ce262fc2561 100644 --- a/drivers/perf/arm_spe_pmu.c +++ b/drivers/perf/arm_spe_pmu.c @@ -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, /*
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> Cc: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> --- drivers/perf/arm_spe_pmu.c | 1 + 1 file changed, 1 insertion(+)