Re: [PATCH] mseal sysmap: add arch-support txt

From: Lorenzo Stoakes
Date: Thu Mar 13 2025 - 01:22:18 EST


On Thu, Mar 13, 2025 at 12:06:23AM +0000, jeffxu@xxxxxxxxxxxx wrote:
> From: Jeff Xu <jeffxu@xxxxxxxxxxxx>
>
> Add Documentation/features/core/mseal_sys_mappings/arch-support.txt
>
> Signed-off-by: Jeff Xu <jeffxu@xxxxxxxxxxxx>
> ---
> .../core/mseal_sys_mappings/arch-support.txt | 30 +++++++++++++++++++
> 1 file changed, 30 insertions(+)
> create mode 100644 Documentation/features/core/mseal_sys_mappings/arch-support.txt
>
> diff --git a/Documentation/features/core/mseal_sys_mappings/arch-support.txt b/Documentation/features/core/mseal_sys_mappings/arch-support.txt
> new file mode 100644
> index 000000000000..8db637254de9
> --- /dev/null
> +++ b/Documentation/features/core/mseal_sys_mappings/arch-support.txt
> @@ -0,0 +1,30 @@
> +#
> +# Feature name: mseal-system-mappings
> +# Kconfig: ARCH_SUPPORTS_MSEAL_SYSTEM_MAPPINGS
> +# description: arch supports mseal system mappings
> +#
> + -----------------------
> + | arch |status|
> + -----------------------
> + | alpha: | TODO |
> + | arc: | TODO |
> + | arm: | N/A |
> + | arm64: | ok |
> + | csky: | TODO |
> + | hexagon: | TODO |
> + | loongarch: | TODO |
> + | m68k: | TODO |
> + | microblaze: | TODO |
> + | mips: | TODO |
> + | nios2: | TODO |
> + | openrisc: | TODO |
> + | parisc: | TODO |
> + | powerpc: | TODO |
> + | riscv: | TODO |
> + | s390: | ok |
> + | sh: | TODO |
> + | sparc: | TODO |
> + | um: | TODO |
> + | x86: | ok |
> + | xtensa: | TODO |
> + -----------------------
> --
> 2.49.0.rc0.332.g42c0ae87b1-goog
>

I mean fine, but why not in the existing mseal documentation file where you
already document system mappings?

Plus I feel this need expansion a bit 'N/A' is because of being non-64 bit
right?

Actually this will change soon btw, based on Matthew's idea I plan to drop the
32-bit vma flags limit.

Anyway yeah, let's move that over there please.