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022ce8862d
linux/drivers/perf
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Andrew Jones 41cad8284d
RISC-V: Align SBI probe implementation with spec 
sbi_probe_extension() is specified with "Returns 0 if the given SBI
extension ID (EID) is not available, or 1 if it is available unless
defined as any other non-zero value by the implementation."
Additionally, sbiret.value is a long. Fix the implementation to
ensure any nonzero long value is considered a success, rather
than only positive int values.

Fixes: b9dcd9e415 ("RISC-V: Add basic support for SBI v0.2")
Signed-off-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230427163626.101042-1-ajones@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-04-29 13:04:50 -07:00
..
amlogic arm64 updates for 6.4 2023-04-25 12:39:01 -07:00
arm_cspmu perf: arm_cspmu: Fix variable dereference warning 2023-03-27 15:12:58 +01:00
hisilicon drivers/perf: hisi: add NULL check for name 2023-04-17 13:14:10 +01:00
alibaba_uncore_drw_pmu.c drivers/perf: Use devm_platform_get_and_ioremap_resource() 2023-03-27 15:09:09 +01:00
apple_m1_cpu_pmu.c drivers/perf: apple_m1: Add Apple M2 support 2023-03-27 15:15:14 +01:00
arm_dmc620_pmu.c perf: arm: Use devm_platform_get_and_ioremap_resource() 2023-03-27 15:02:32 +01:00
arm_dsu_pmu.c
arm_pmu_acpi.c
arm_pmu_platform.c
arm_pmu.c Scheduler updates in this cycle are: 2023-02-20 17:41:08 -08:00
arm_pmuv3.c arm64: pmuv3: dynamically map PERF_COUNT_HW_BRANCH_INSTRUCTIONS 2023-04-11 12:35:20 +01:00
arm_smmuv3_pmu.c perf/smmuv3: Fix hotplug callback leak in arm_smmu_pmu_init() 2022-11-15 13:47:04 +00:00
arm_spe_pmu.c perf: arm_spe: Print the version of SPE detected 2023-02-07 11:52:21 +00:00
arm-cci.c
arm-ccn.c
arm-cmn.c perf/arm-cmn: Fix port detection for CMN-700 2023-04-14 13:45:00 +01:00
fsl_imx8_ddr_perf.c drivers/perf: fsl_imx8_ddr_perf: Remove set-but-not-used variable 2023-02-03 13:04:22 +00:00
Kconfig ARM: perf: Allow the use of the PMUv3 driver on 32bit ARM 2023-03-27 14:01:18 +01:00
Makefile arm64: perf: Move PMUv3 driver to drivers/perf 2023-03-27 14:01:18 +01:00
marvell_cn10k_ddr_pmu.c perf/marvell: Add ACPI support to DDR uncore driver 2023-01-19 18:30:21 +00:00
marvell_cn10k_tad_pmu.c perf/marvell: Add ACPI support to TAD uncore driver 2023-01-19 18:30:22 +00:00
qcom_l2_pmu.c
qcom_l3_pmu.c perf: qcom: Use devm_platform_get_and_ioremap_resource() 2023-03-27 15:03:01 +01:00
riscv_pmu_legacy.c
riscv_pmu_sbi.c RISC-V: Align SBI probe implementation with spec 2023-04-29 13:04:50 -07:00
riscv_pmu.c
thunderx2_pmu.c
xgene_pmu.c