Re: [RFC PATCH v2 04/10] riscv: Add fixmap indices for GHES IRQ and SSE contexts

Clément Léger
2025-11-05T08:41:58Z

On 10/29/25 12:26, Himanshu Chauhan wrote:
> GHES error handling requires fixmap entries for IRQ notifications.
> Add fixmap indices for IRQ, SSE Low and High priority notifications.
>
> Signed-off-by: Himanshu Chauhan <hchauhan@ventanamicro.com>
> ---
> arch/riscv/include/asm/fixmap.h | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/arch/riscv/include/asm/fixmap.h b/arch/riscv/include/asm/fixmap.h
> index 0a55099bb734..e874fd952286 100644
> --- a/arch/riscv/include/asm/fixmap.h
> +++ b/arch/riscv/include/asm/fixmap.h
> @@ -38,6 +38,14 @@ enum fixed_addresses {
> FIX_TEXT_POKE0,
> FIX_EARLYCON_MEM_BASE,
>
> +#ifdef CONFIG_ACPI_APEI_GHES
> + /* Used for GHES mapping from assorted contexts */
> + FIX_APEI_GHES_IRQ,
> +#ifdef CONFIG_RISCV_SBI_SSE
> + FIX_APEI_GHES_SSE_LOW_PRIORITY,
> + FIX_APEI_GHES_SSE_HIGH_PRIORITY,
> +#endif /* CONFIG_RISCV_SBI_SSE */
> +#endif /* CONFIG_ACPI_APEI_GHES */
> __end_of_permanent_fixed_addresses,
> /*
> * Temporary boot-time mappings, used by early_ioremap(),

Hi Himanshu,

Reviewed-By: Clément Léger <cleger@rivosinc.com>

Thanks,

Clément