[PATCH 1/8] arm64/hwcap: Generate the KERNEL_HWCAP_ definitions for the hwcaps

Catalin Marinas catalin.marinas at arm.com
Wed Apr 15 01:09:52 PDT 2026


On Wed, Apr 15, 2026 at 08:24:22AM +0200, Alexander Stein wrote:
> Am Montag, 2. März 2026, 23:53:16 CEST schrieb Mark Brown:
> > Currently for each hwcap we define both the HWCAPn_NAME definition which is
> > exposed to userspace and a kernel internal KERNEL_HWCAP_NAME definition
> > which we use internally. This is tedious and repetitive, instead use a
> > script to generate the KERNEL_HWCAP_ definitions from the UAPI definitions.
> > 
> > No functional changes intended.
> 
> Somehow this change causes to delete and generate kernel-hwcap.h on each
> make call. This results in compiling essentially everything each time.

Does this fix it:

https://lore.kernel.org/r/20260413-arm64-hwcap-gen-fix-v1-1-26c56aed6908@kernel.org

It's queued, it will go in before -rc1.

-- 
Catalin



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