linux-kernel - Re: [RFC PATCH v2 03/10] acpi: Introduce SSE in HEST notification types

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Message-ID: <15298563-967c-4609-9410-4bc0b6a75be6@rivosinc.com>
Date: Wed, 5 Nov 2025 09:33:30 +0100
From: Clément Léger <cleger@...osinc.com>
To: Himanshu Chauhan <hchauhan@...tanamicro.com>,
 linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
 linux-acpi@...r.kernel.org, linux-efi@...r.kernel.org,
 acpica-devel@...ts.linux.dev
Cc: paul.walmsley@...ive.com, palmer@...belt.com, lenb@...nel.org,
 james.morse@....com, tony.luck@...el.com, ardb@...nel.org, conor@...nel.org,
 robert.moore@...el.com, sunilvl@...tanamicro.com, apatel@...tanamicro.com
Subject: Re: [RFC PATCH v2 03/10] acpi: Introduce SSE in HEST notification
 types



On 10/29/25 12:26, Himanshu Chauhan wrote:
> Introduce a new HEST notification type for RISC-V SSE events.
> The GHES entry's notification structure contains the notification
> to be used for a given error source. For error sources delivering
> events over SSE, it should contain the new SSE notification type.
> 
> Signed-off-by: Himanshu Chauhan <hchauhan@...tanamicro.com>
> ---
>  include/acpi/actbl1.h | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
> index 7f35eb0e8458..20b490227398 100644
> --- a/include/acpi/actbl1.h
> +++ b/include/acpi/actbl1.h
> @@ -1535,7 +1535,8 @@ enum acpi_hest_notify_types {
>  	ACPI_HEST_NOTIFY_SEI = 9,	/* ACPI 6.1 */
>  	ACPI_HEST_NOTIFY_GSIV = 10,	/* ACPI 6.1 */
>  	ACPI_HEST_NOTIFY_SOFTWARE_DELEGATED = 11,	/* ACPI 6.2 */
> -	ACPI_HEST_NOTIFY_RESERVED = 12	/* 12 and greater are reserved */
> +	ACPI_HEST_NOTIFY_SSE = 12, /* RISCV SSE */
> +	ACPI_HEST_NOTIFY_RESERVED = 13	/* 13 and greater are reserved */
>  };

Hi Himanshu,

Looks good to me,

Reviewed-by: Clément Léger <cleger@...osinc.com>

Thanks,

Clément

>  
>  /* Values for config_write_enable bitfield above */