Messages in this thread Patch in this message | | | From | Alexandre Ghiti <> | Subject | [PATCH v4 03/10] riscv: Make legacy counter enum match the HW numbering | Date | Mon, 3 Jul 2023 14:46:40 +0200 |
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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> --- drivers/perf/riscv_pmu_legacy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/perf/riscv_pmu_legacy.c b/drivers/perf/riscv_pmu_legacy.c index ca9e20bfc7ac..6a000abc28bb 100644 --- a/drivers/perf/riscv_pmu_legacy.c +++ b/drivers/perf/riscv_pmu_legacy.c @@ -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; -- 2.39.2
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