[PATCH v4 5/5] lib: sbi: pmu: add the PMU SSE event only if overflow IRQ is supported

Atish Kumar Patra atishp at rivosinc.com
Mon Dec 16 18:20:41 PST 2024


On Mon, Dec 16, 2024 at 1:22 PM Clément Léger <cleger at rivosinc.com> wrote:
>
> Add the PMU SSE event only if an overflow irq bit is present.
>
> Signed-off-by: Clément Léger <cleger at rivosinc.com>
> ---
>  lib/sbi/sbi_pmu.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/lib/sbi/sbi_pmu.c b/lib/sbi/sbi_pmu.c
> index eb31f3e9..83a95b6d 100644
> --- a/lib/sbi/sbi_pmu.c
> +++ b/lib/sbi/sbi_pmu.c
> @@ -1166,7 +1166,8 @@ int sbi_pmu_init(struct sbi_scratch *scratch, bool cold_boot)
>                 total_ctrs = num_hw_ctrs + SBI_PMU_FW_CTR_MAX;
>         }
>
> -       sbi_sse_add_event(SBI_SSE_EVENT_LOCAL_PMU, &pmu_sse_cb_ops);
> +       if (sbi_pmu_irq_bit() >= 0)
> +               sbi_sse_add_event(SBI_SSE_EVENT_LOCAL_PMU, &pmu_sse_cb_ops);
>


Reviewed-by: Atish Patra <atishp at rivosinc.com>

>         phs = pmu_get_hart_state_ptr(scratch);
>         if (!phs) {
> --
> 2.45.2
>



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