Re: [PATCH RFC v2 0/2] arm64: Add infrastructure for use of AT_HWCAP3

Catalin Marinas
2024-10-17T18:00:01Z

On Fri, 04 Oct 2024 21:26:28 +0100, Mark Brown wrote:
> Since arm64 has now used all of AT_HWCAP2 it needs to either start using
> AT_HWCAP3 (which was recently added for PowerPC) or start allocating
> bits 32..61 of AT_HWCAP first. Those are documented in elf_hwcaps.rst
> as unused and in uapi/asm/hwcap.h as unallocated for potential use by
> libc, glibc does currently use bits 62 and 63. This series has the code
> for enabling AT_HWCAP3 as a reference.
>
> [...]

Applied to arm64 (for-next/hwcap3), thanks! I decided to queue this now
as we seem to burn through about 15 hwcaps at a time with features like
dpISA. It gives libcs out there a bit of time to wire it up.

[1/2] binfmt_elf: Wire up AT_HWCAP3 at AT_HWCAP4
https://git.kernel.org/arm64/c/4e6e8c2b757f
[2/2] arm64: Support AT_HWCAP3
https://git.kernel.org/arm64/c/ddadbcdaaed5

--
Catalin