[PATCH] docs: pmu: Update the pmu doc with removal of mcountinhbit restriction

[Anup Patel]

On Fri, Dec 23, 2022 at 2:08 AM Atish Patra <atishp at rivosinc.com> wrote:
>
> Since commit b28f070, it is possible for platforms to run perf monitoring
> even if mcountinhibit is not supported. Sampling still won't be possible
> though as it requires sscofpmf extension.
>
> Update the docs to remove the restriction.
>
> Signed-off-by: Atish Patra <atishp at rivosinc.com>

Looks good to me.

Reviewed-by: Anup Patel <anup at brainfault.org>

Applied this patch to the riscv/opensbi repo.

Thanks,
Anup

> ---
>  docs/pmu_support.md | 3 ---
>  1 file changed, 3 deletions(-)
>
> diff --git a/docs/pmu_support.md b/docs/pmu_support.md
> index 1db36fc..c74ef5f 100644
> --- a/docs/pmu_support.md
> +++ b/docs/pmu_support.md
> @@ -6,9 +6,6 @@ capability of performance analysis tools such as perf if SBI PMU extension is
>  enabled. The OpenSBI implementation makes the following assumptions about the
>  hardware platform.
>
> - * MCOUNTINHIBIT CSR must be implemented in the hardware. Otherwise, SBI PMU
> -extension will not be enabled.
> -
>   * The platform must provide information about PMU event to counter mapping
>  via device tree or platform specific hooks. Otherwise, SBI PMU extension will
>  not be enabled.
> --
> 2.25.1
>