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| author | Mark Brown <broonie@kernel.org> | 2024-10-23 15:53:32 +0100 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2024-10-31 02:44:21 +0000 |
| commit | 0fcb4eea5345531118ca6f46391e88b12fbc35e4 (patch) | |
| tree | 015d72dc0725c8fc95f3b1d9fa41562ca7abd291 /scripts/gdb/linux/utils.py | |
| parent | 997eeecafebaef668b76264800c185544a432839 (diff) | |
KVM: arm64: Hide TCR2_EL1 from userspace when disabled for guests
When the guest does not support FEAT_TCR2 we should not allow any access
to it in order to ensure that we do not create spurious issues with guest
migration. Add a visibility operation for it.
Fixes: fbff56068232 ("KVM: arm64: Save/restore TCR2_EL1")
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240822-kvm-arm64-hide-pie-regs-v2-2-376624fa829c@kernel.org
[maz: simplify by using __el2_visibility(), kvm_has_tcr2() throughout]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20241023145345.1613824-25-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'scripts/gdb/linux/utils.py')
0 files changed, 0 insertions, 0 deletions