KVM: arm64: nv: Expose BTI and CSV_frac to a guest hypervisor

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Now that we expose PAC to NV guests, we can also expose BTI (as
the two as joined at the hip, due to some of the PAC instructions
being landing pads).

While we're at it, also propagate CSV_frac, which requires no
particular emulation.

Fixes: f4f6a95bac ("KVM: arm64: nv: Advertise support for PAuth")
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20240528100632.1831995-3-maz@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>

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Marc Zyngier 2024-05-28 11:06:32 +01:00

parent 41011e2de3

commit 47eb2d68d1

1 changed files with 4 additions and 2 deletions

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arch/arm64/kvm/nested.c

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