KVM: arm64: Correctly honor the presence of FEAT_TCRX

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We currently blindly enable TCR2_EL1 use in a guest, irrespective
of the feature set. This is obviously wrong, and we should actually
honor the guest configuration and handle the possible trap resulting
from the guest being buggy.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Link: https://lore.kernel.org/r/20240625130042.259175-2-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>

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Marc Zyngier 2024-06-25 14:00:37 +01:00 • committed by Oliver Upton

parent 83a7eefedc

commit 9b58e665d6

2 changed files with 10 additions and 1 deletions

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arch/arm64/include/asm/kvm_arm.h

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9

arch/arm64/kvm/sys_regs.c

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