Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-26 06:02:05 +00:00
Code Issues Packages Projects Releases Wiki Activity
8dd0498983
linux/drivers/perf
History
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 Driver core changes for 6.10-rc1 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 Driver core changes for 6.10-rc1 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 Driver core changes for 6.10-rc1 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 Driver core changes for 6.10-rc1 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 Driver core changes for 6.10-rc1 2024-05-22 12:13:40 -07:00