Re: [PATCH] arm64/kernel/setup: Update comment on interrupt masking

From: Mark Rutland
Date: Tue Feb 27 2024 - 05:10:24 EST


On Sun, Feb 25, 2024 at 11:18:12AM +0900, takakura@xxxxxxxxxxxxx wrote:
> From: Ryo Takakura <takakura@xxxxxxxxxxxxx>
>
> DAIF_PROCCTX_NOIRQ contains FIQ bit.
> Update the comment as only asynchronous aborts are unmasked
> and FIQ is still masked.
>
> Signed-off-by: Ryo Takakura <takakura@xxxxxxxxxxxxx>
> ---
> arch/arm64/kernel/setup.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
> index 0ea45b6d0177..9b9fdb64c684 100644
> --- a/arch/arm64/kernel/setup.c
> +++ b/arch/arm64/kernel/setup.c
> @@ -298,7 +298,7 @@ void __init __no_sanitize_address setup_arch(char **cmdline_p)
> dynamic_scs_init();
>
> /*
> - * Unmask asynchronous aborts and fiq after bringing up possible
> + * Unmask asynchronous aborts after bringing up possible
> * earlycon. (Report possible System Errors once we can report this
> * occurred).
> */

I think we can further simplify/clarify that as:

/*
* Unmask SError as soon as possible after initializing earlycon so
* that we can report any SErrors immediately.
*/

With that wording:

Acked-by: Mark Rutland <mark.rutland@xxxxxxx>

Mark.