Marc Zyngier c7d11a61c7 KVM: arm64: Do not let a L1 hypervisor access the *32_EL2 sysregs
DBGVCR32_EL2, DACR32_EL2, IFSR32_EL2 and FPEXC32_EL2 are required to
UNDEF when AArch32 isn't implemented, which is definitely the case when
running NV.

Given that this is the only case where these registers can trap,
unconditionally inject an UNDEF exception.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Link: https://lore.kernel.org/r/20231023095444.1587322-5-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
2023-10-25 00:24:57 +00:00
..
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