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KVM: arm64: Allow control of dpISA extensions in ID_AA64ISAR3_EL1
authorMark Brown <broonie@kernel.org>
Tue, 7 Jan 2025 22:59:44 +0000 (22:59 +0000)
committerWill Deacon <will@kernel.org>
Wed, 8 Jan 2025 13:41:07 +0000 (13:41 +0000)
commitfd22af17a458d98c14cebd00091cebf69b954b40
tree855efadae72da1fa50004bfea07b32b3ce8c3c2btree
parent819935464cb2f72fff8dfbbf95cf2726d4a66388commit | diff
KVM: arm64: Allow control of dpISA extensions in ID_AA64ISAR3_EL1

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>
arch/arm64/kvm/sys_regs.c diff | blob | history
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