KVM: arm64: Allow control of dpISA extensions in ID_AA64ISAR3_EL1

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ID_AA64ISAR3_EL1 is currently marked as unallocated in KVM but does have a
number of bitfields defined in it. Expose FPRCVT and FAMINMAX, two simple
instruction only extensions to guests.

Reviewed-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20250107-arm64-2024-dpisa-v5-4-7578da51fc3d@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>

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Mark Brown 2025-01-07 22:59:44 +00:00 • committed by Will Deacon

parent 819935464c

commit fd22af17a4

1 changed files with 5 additions and 1 deletions

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arch/arm64/kvm/sys_regs.c

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