[PATCH] arm64: Get rid of ARM64_HAS_NO_HW_PREFETCH

[Will Deacon]

On Wed, 22 Nov 2023 13:37:54 +0000, Marc Zyngier wrote:
> Back in 2016, it was argued that implementations lacking a HW
> prefetcher could be helped by sprinkling a number of PRFM
> instructions in strategic locations.
> 
> In 2023, the one platform that presumably needed this hack is no
> longer in active use (let alone maintained), and an quick
> experiment shows dropping this hack only leads to a 0.4% drop
> on a full kernel compilation (tested on a MT30-GS0 48 CPU system).
> 
> [...]

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

[1/1] arm64: Get rid of ARM64_HAS_NO_HW_PREFETCH
      https://git.kernel.org/arm64/c/103423ad7e56

Cheers,
-- 
Will

https://fixes.arm64.dev
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