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KVM: arm64: Expose FEAT_LSFE to guests
authorMark Brown <broonie@kernel.org>
Thu, 18 Sep 2025 19:42:06 +0000 (20:42 +0100)
committerMarc Zyngier <maz@kernel.org>
Fri, 19 Sep 2025 14:34:40 +0000 (15:34 +0100)
commit5d20605c8e7930254f7bee41336e421be247181c
tree6ddcedb69f392d74d5890caa35a8c3b1336bc780tree | snapshot
parent557c82a4480719f64cf6530b5090001e9d908904commit | diff
KVM: arm64: Expose FEAT_LSFE to guests

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>
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Marc Zyngier <maz@kernel.org>
arch/arm64/kvm/sys_regs.c diff | blob | blame | history
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