Alexandre Ghiti 2840dadf0d drivers: perf: Fix smp_processor_id() use in preemptible code ...

As reported in [1], the use of smp_processor_id() in
pmu_sbi_device_probe() must be protected by disabling the preemption, so
simple use get_cpu()/put_cpu() instead.

Reported-by: Nam Cao <namcao@linutronix.de>
Closes: https://lore.kernel.org/linux-riscv/20240820074925.ReMKUPP3@linutronix.de/ [1]
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Tested-by: Nam Cao <namcao@linutronix.de>
Fixes: a8625217a0 ("drivers/perf: riscv: Implement SBI PMU snapshot function")
Reported-by: Andrea Parri <parri.andrea@gmail.com>
Tested-by: Andrea Parri <parri.andrea@gmail.com>
Link: https://lore.kernel.org/r/20240826165210.124696-1-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

2024-09-10 20:28:02 -07:00

..

amlogic

perf/amlogic: Assign parents for event_source devices

2024-04-19 15:59:29 +01:00

arm_cspmu

perf: add missing MODULE_DESCRIPTION() macros

2024-07-10 13:04:38 +01:00

hisilicon

perf: add missing MODULE_DESCRIPTION() macros

2024-07-10 13:04:38 +01:00

alibaba_uncore_drw_pmu.c

Merge tag 'driver-core-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

2024-05-22 12:13:40 -07:00

apple_m1_cpu_pmu.c

arm: pmu: Move error message and -EOPNOTSUPP to individual PMUs

2023-12-12 09:46:22 +00:00

arm_dmc620_pmu.c

perf/arm-dmc620: Fix lockdep assert in ->event_init()

2024-05-17 16:48:05 +01:00

arm_dsu_pmu.c

Merge tag 'driver-core-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

2024-05-22 12:13:40 -07:00

arm_pmu_acpi.c

arm_pmu: acpi: Add a representative platform device for TRBE

2023-08-18 18:07:10 +01:00

arm_pmu_platform.c

perf/arm_pmu: Assign parents for event_source devices

2024-04-19 15:59:30 +01:00

arm_pmu.c

arm: pmu: Move error message and -EOPNOTSUPP to individual PMUs

2023-12-12 09:46:22 +00:00

arm_pmuv3.c

sysctl: treewide: constify the ctl_table argument of proc_handlers

2024-07-24 20:59:29 +02:00

arm_smmuv3_pmu.c

perf/arm-smmuv3: Assign parents for event_source device

2024-04-19 15:59:31 +01:00

arm_spe_pmu.c

perf/arm-spe: Assign parents for event_source device

2024-04-19 15:59:31 +01:00

arm_v6_pmu.c

perf: arm_v6/7_pmu: Drop non-DT probe support

2024-07-03 14:07:14 +01:00

arm_v7_pmu.c

perf: arm_v6/7_pmu: Drop non-DT probe support

2024-07-03 14:07:14 +01:00

arm_xscale_pmu.c

perf/arm: Move 32-bit PMU drivers to drivers/perf/

2024-07-03 14:07:14 +01:00

arm-cci.c

Merge tag 'driver-core-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

2024-05-22 12:13:40 -07:00

arm-ccn.c

perf: add missing MODULE_DESCRIPTION() macros

2024-07-10 13:04:38 +01:00

arm-cmn.c

perf/arm-cmn: Enable support for tertiary match group

2024-07-01 14:55:08 +01:00

cxl_pmu.c

perf: add missing MODULE_DESCRIPTION() macros

2024-07-10 13:04:38 +01:00

dwc_pcie_pmu.c

perf/dwc_pcie: Avoid placing cpumask on the stack

2024-04-09 16:47:15 +01:00

fsl_imx8_ddr_perf.c

perf: add missing MODULE_DESCRIPTION() macros

2024-07-10 13:04:38 +01:00

fsl_imx9_ddr_perf.c

perf: imx_perf: add support for i.MX95 platform

2024-07-01 15:42:59 +01:00

Kconfig

perf/arm: Move 32-bit PMU drivers to drivers/perf/

2024-07-03 14:07:14 +01:00

Makefile

perf/arm: Move 32-bit PMU drivers to drivers/perf/

2024-07-03 14:07:14 +01:00

marvell_cn10k_ddr_pmu.c

perf: add missing MODULE_DESCRIPTION() macros

2024-07-10 13:04:38 +01:00

marvell_cn10k_tad_pmu.c

perf: marvell_cn10k_tad: Convert to platform remove callback returning void

2024-02-09 15:59:30 +00:00

qcom_l2_pmu.c

perf/qcom: Assign parents for event_source devices

2024-04-19 15:59:30 +01:00

qcom_l3_pmu.c

Merge tag 'driver-core-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

2024-05-22 12:13:40 -07:00

riscv_pmu_legacy.c

perf/riscv: Assign parents for event_source devices

2024-04-19 15:59:29 +01:00

riscv_pmu_sbi.c

drivers: perf: Fix smp_processor_id() use in preemptible code

2024-09-10 20:28:02 -07:00

riscv_pmu.c

drivers/perf: riscv: Do not update the event data if uptodate

2024-07-03 12:56:15 -07:00

starfive_starlink_pmu.c

perf: starfive: Add StarLink PMU support

2024-03-04 14:19:48 +00:00

thunderx2_pmu.c

perf/thunderx2: Assign parents for event_source devices

2024-04-19 15:59:29 +01:00

xgene_pmu.c

Merge tag 'driver-core-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

2024-05-22 12:13:40 -07:00