Re: [PATCH v4 0/2] arm64: Support FEAT_LSFE (Large System Float Extension)

Will Deacon
2025-09-19T18:38:28Z

On Thu, 18 Sep 2025 20:42:05 +0100, Mark Brown wrote:
> FEAT_LSFE is optional from v9.5, it adds new instructions for atomic
> memory operations with floating point values. We have no immediate use
> for it in kernel, provide a hwcap so userspace can discover it and allow
> the ID register field to be exposed to KVM guests.
>
>

Applied selftest update to arm64 (for-next/selftests), thanks!

[2/2] kselftest/arm64: Add lsfe to the hwcaps test
https://git.kernel.org/arm64/c/777fb19ed8d6

Cheers,
--
Will