Re: [PATCH v4 1/2] KVM: arm64: Expose FEAT_LSFE to guests

On Thu, Sep 18, 2025 at 08:42:06PM +0100, Mark Brown wrote:

FEAT_LSFE (Large System Float Extension), providing atomic floating point memory operations, is optional from v9.5. This feature adds no new architectural state, expose the relevant ID register field to guests so they can discover it.

Signed-off-by: Mark Brown broonie@kernel.org

We also need a test in set_id_regs.c selftest for the writability of this new feature field.

Otherwise:

Reviewed-by: Oliver Upton oliver.upton@linux.dev

Thanks, Oliver