Re: [PATCH v2] arm64/sve: Document that __SVE_VQ_MAX is much larger than needed

From: Catalin Marinas
Date: Thu Feb 22 2024 - 17:05:36 EST


On Fri, 09 Feb 2024 16:53:36 +0000, Mark Brown wrote:
> __SVE_VQ_MAX is defined without comment as 512 but the actual
> architectural maximum is 16, a substantial difference which might not
> be obvious to readers especially given the several different units used
> for specifying vector sizes in various contexts and the fact that it's
> often used via macros. In an effort to minimise surprises for users who
> might assume the value is the architectural maximum and use it to do
> things like size allocations add a comment noting the difference, and
> add a note for SVE_VQ_MAX to aid discoverability.
>
> [...]

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

[1/1] arm64/sve: Document that __SVE_VQ_MAX is much larger than needed
https://git.kernel.org/arm64/c/21eb468e9fc1

--
Catalin