KVM: arm64: Use FGT feature maps to drive RES0 bits

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Another benefit of mapping bits to features is that it becomes trivial
to define which bits should be handled as RES0.

Let's apply this principle to the guest's view of the FGT registers.

Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>

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Marc Zyngier 2025-02-09 14:45:29 +00:00

parent 938a79d0aa

commit c6cbe6a4c1

3 changed files with 57 additions and 119 deletions

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arch/arm64/include/asm/kvm_host.h

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arch/arm64/kvm/config.c

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129

arch/arm64/kvm/nested.c

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