Unverified Commit 9f828bc3 authored by Mayuresh Chitale's avatar Mayuresh Chitale Committed by Palmer Dabbelt
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drivers/perf: RISC-V: Allow programming custom firmware events 



Applications need to be able to program the SBI implementation specific
or custom firmware events in addition to the standard firmware events.
Remove a check in the driver that prohibits the programming of the custom
firmware events.

Signed-off-by: default avatarMayuresh Chitale <mchitale@ventanamicro.com>
Reviewed-by: default avatarAndrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20230208074314.3661406-1-mchitale@ventanamicro.com


Signed-off-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
parent 81a1dd10

drivers/perf/riscv_pmu_sbi.c

+2 −5
Original line number Diff line number Diff line
@@ -385,11 +385,8 @@ static int pmu_sbi_event_map(struct perf_event *event, u64 *econfig) 
		bSoftware = config >> 63;

		raw_config_val = config & RISCV_PMU_RAW_EVENT_MASK;

		if (bSoftware) {

			if (raw_config_val < SBI_PMU_FW_MAX)

			ret = (raw_config_val & 0xFFFF) |

				(SBI_PMU_EVENT_TYPE_FW << 16);

			else

				return -EINVAL;

		} else {

			ret = RISCV_PMU_RAW_EVENT_IDX;

			*econfig = raw_config_val;