diff options
| author | Mark Brown <broonie@kernel.org> | 2024-10-23 15:53:33 +0100 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2024-10-31 02:44:21 +0000 |
| commit | a68cddbe47efdac10855e5f154cbd6c87b792ba2 (patch) | |
| tree | c50e8e1edd2351af0e91d4e330fe14c4249112d8 /scripts/gdb/linux/utils.py | |
| parent | 0fcb4eea5345531118ca6f46391e88b12fbc35e4 (diff) | |
KVM: arm64: Hide S1PIE registers from userspace when disabled for guests
When the guest does not support S1PIE we should not allow any access
to the system registers it adds in order to ensure that we do not create
spurious issues with guest migration. Add a visibility operation for these
registers.
Fixes: 86f9de9db178 ("KVM: arm64: Save/restore PIE registers")
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240822-kvm-arm64-hide-pie-regs-v2-3-376624fa829c@kernel.org
[maz: simplify by using __el2_visibility(), kvm_has_s1pie() throughout]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20241023145345.1613824-26-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