Re: [PATCH v4 03/10] riscv: Make legacy counter enum match the HW numbering

[Atish Patra]

On Mon, Jul 3, 2023 at 5:49 AM Alexandre Ghiti <alexghiti@xxxxxxxxxxxx> wrote:
>
> 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@xxxxxxxxxxxx>
> Reviewed-by: Andrew Jones <ajones@xxxxxxxxxxxxxxxx>
> ---
>  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
>

Reviewed-by: Atish Patra <atishp@xxxxxxxxxxxx>

-- 
Regards,
Atish