[PATCH] lib: sbi_hsm: Put the resume_pending hart in the interruptible hart mask

[Xiang W]

在 2023-12-01星期五的 17:51 +0800，Nick Hu写道：
> Current interruptible hart mask doesn't include the hart which HSM state
> is SBI_HSM_STATE_RESUME_PENDING. So when there is a request to send an
> IPI to the hart which is in the resume process, this hart would miss the
> IPI forever. Put the SBI_HSM_STATE_RESUME_PENDING hart in the
> interruptible hart mask to fix the issue.
> 
> Signed-off-by: Nick Hu <nick.hu at sifive.com>
LGTM

Reviewed-by: Xiang W <wxjstz at 126.com>
> ---
>  lib/sbi/sbi_hsm.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/sbi/sbi_hsm.c b/lib/sbi/sbi_hsm.c
> index 147f954..3d60ceb 100644
> --- a/lib/sbi/sbi_hsm.c
> +++ b/lib/sbi/sbi_hsm.c
> @@ -128,7 +128,8 @@ int sbi_hsm_hart_interruptible_mask(const struct sbi_domain *dom,
>  
>  		hstate = __sbi_hsm_hart_get_state(hbase + i);
>  		if (hstate == SBI_HSM_STATE_STARTED ||
> -		    hstate == SBI_HSM_STATE_SUSPENDED)
> +		    hstate == SBI_HSM_STATE_SUSPENDED ||
> +		    hstate == SBI_HSM_STATE_RESUME_PENDING)
>  			*out_hmask |= hmask;
>  	}
>  
> -- 
> 2.34.1
> 
>