[PATCH v5 0/3] arm64: Start allocating upper bits of AT_HWCAP2

[Will Deacon]

On Thu, 7 Jul 2022 11:36:29 +0100, Mark Brown wrote:
> Currently for arm64 we expose hwcaps to userspace using the low 32 bits
> of AT_HWCAP and AT_HWCAP2. Due to the ever expanding capabilties of the
> architecture we have now allocated all the available bits in this scheme
> so we need to expand, either using the higher bits or adding a new
> AT_HWCAP3. Discussions suggest that the favoured approach for now is to
> start allocating the upper bits of AT_HWCAP2.
> 
> [...]

Applied to arm64 (for-next/cpufeature), thanks!

[1/3] arm64/hwcap: Document allocation of upper bits of AT_HWCAP
      https://git.kernel.org/arm64/c/d3e4a9d30804
[2/3] arm64/cpufeature: Store elf_hwcaps as a bitmap rather than unsigned long
      https://git.kernel.org/arm64/c/60c868eff2bc
[3/3] arm64/hwcap: Support FEAT_EBF16
      https://git.kernel.org/arm64/c/a6a468f50d6a

Cheers,
-- 
Will

https://fixes.arm64.dev
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