Re: [PATCH v2] uapi/auxvec: Define AT_HWCAP3 and AT_HWCAP4 aux vector, entries

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On Wed, 14 Feb 2024 16:34:06 -0600, Peter Bergner wrote:
> Changes from v1:
> - Add Acked-by lines.
> 
> The powerpc toolchain keeps a copy of the HWCAP bit masks in our TCB for fast
> access by the __builtin_cpu_supports built-in function.  The TCB space for
> the HWCAP entries - which are created in pairs - is an ABI extension, so
> waiting to create the space for HWCAP3 and HWCAP4 until we need them is
> problematical.  Define AT_HWCAP3 and AT_HWCAP4 in the generic uapi header
> so they can be used in glibc to reserve space in the powerpc TCB for their
> future use.
> 
> [...]

Applied to powerpc/next.

[1/1] uapi/auxvec: Define AT_HWCAP3 and AT_HWCAP4 aux vector, entries
      https://git.kernel.org/powerpc/c/3281366a8e79a512956382885091565db1036b64

cheers




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