[PATCH 12/18] arm64: fpsimd: Move fpsimd save/restore inline

[Mark Brown]

On Thu, May 21, 2026 at 02:25:50PM +0100, Mark Rutland wrote:

> Note that I've used the SVE sequence for restoring FPCR, which uses an
> unconditional write to FPCR. The plain FPSIMD assembly sequence used a
> conditional write to FPCR since 2014 in commit:

>   5959e25729a5 ("arm64: fpsimd: avoid restoring fpcr if the contents haven't change")

> ... but this was not followed for the SVE assembly implemented in 2017
> in commit:

>   1fc5dce78ad1 ("arm64/sve: Low-level SVE architectural state manipulation functions")

> ... so I've assumed that this doesn't actually matter in practice, and
> I've erred in favour of the simpler sequence.

As I said on the earlier patch I'm a bit nervous about assuming this
doesn't matter for anyone without verifying (though I wouldn't be
surprised if that turned out to be the case) but that's internal to that
patch and this is obviously a great improvement so:

Reviewed-by: Mark Brown <broonie at kernel.org>
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