Jean-Philippe Brucker c2ad0dc7b9 pmu/smmuv3: Clear IRQ affinity hint on device removal ... [ Upstream commit 10f6cd2af21bb44faab31a50ec3361d7649e5a39 ] Currently when trying to remove the SMMUv3 PMU module we get a WARN_ON_ONCE from free_irq(), because the affinity hint set during probe hasn't been properly cleared. [ 238.878383] WARNING: CPU: 0 PID: 175 at kernel/irq/manage.c:1744 free_irq+0x324/0x358 ... [ 238.897263] Call trace: [ 238.897998] free_irq+0x324/0x358 [ 238.898792] devm_irq_release+0x18/0x28 [ 238.899189] release_nodes+0x1b0/0x228 [ 238.899984] devres_release_all+0x38/0x60 [ 238.900779] device_release_driver_internal+0x10c/0x1d0 [ 238.901574] driver_detach+0x50/0xe0 [ 238.902368] bus_remove_driver+0x5c/0xd8 [ 238.903448] driver_unregister+0x30/0x60 [ 238.903958] platform_driver_unregister+0x14/0x20 [ 238.905075] arm_smmu_pmu_exit+0x1c/0xecc [arm_smmuv3_pmu] [ 238.905547] __arm64_sys_delete_module+0x14c/0x260 [ 238.906342] el0_svc_common.constprop.0+0x74/0x178 [ 238.907355] do_el0_svc+0x24/0x90 [ 238.907932] el0_sync_handler+0x11c/0x198 [ 238.908979] el0_sync+0x158/0x180 Just like the other perf drivers, clear the affinity hint before releasing the device. Fixes: 7d839b4b9e ("perf/smmuv3: Add arm64 smmuv3 pmu driver") Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org> Link: https://lore.kernel.org/r/20200422084805.237738-1-jean-philippe@linaro.org Signed-off-by: Will Deacon <will@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		2020-06-22 09:30:54 +02:00
..
hisilicon
arm_dsu_pmu.c
arm_pmu_acpi.c	drivers/perf: arm_pmu_acpi: Fix incorrect checking of gicc pointer	2020-03-25 08:25:47 +01:00
arm_pmu_platform.c
arm_pmu.c
arm_smmuv3_pmu.c	pmu/smmuv3: Clear IRQ affinity hint on device removal	2020-06-22 09:30:54 +02:00
arm_spe_pmu.c
arm-cci.c
arm-ccn.c
fsl_imx8_ddr_perf.c	drivers/perf: fsl_imx8_ddr: Correct the CLEAR bit definition	2020-03-25 08:25:47 +01:00
Kconfig
Makefile
qcom_l2_pmu.c
qcom_l3_pmu.c
thunderx2_pmu.c
xgene_pmu.c