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riscv: Make legacy counter enum match the HW numbering

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RISCV_PMU_LEGACY_INSTRET used to be set to 1 whereas the offset of this
hardware counter from CSR_CYCLE is actually 2: make this offset match the
real hw offset so that we can directly expose those values to userspace.

Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
This commit is contained in:
Alexandre Ghiti 2023-08-02 10:03:21 +02:00 committed by Palmer Dabbelt
parent f117ae55b0
commit e8b785e98a
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2
drivers/perf/riscv_pmu_legacy.c
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@ -13,7 +13,7 @@
#include <linux/platform_device.h>
#define RISCV_PMU_LEGACY_CYCLE 0
#define RISCV_PMU_LEGACY_INSTRET 1
#define RISCV_PMU_LEGACY_INSTRET 2
static bool pmu_init_done;