On Fri, May 24, 2024 at 03:19:55PM +0100, Marc Zyngier wrote:
It appears that we don't allowed a vcpu to be restored in AArch32
s/allowed/allow/
System mode, as we *never* included it in the list of valid modes.
Just add it to the list of allowed modes.
Fixes: 0d854a60b1d7 ("arm64: KVM: enable initialization of a 32bit vcpu") Signed-off-by: Marc Zyngier maz@kernel.org Cc: stable@vger.kernel.org
arch/arm64/kvm/guest.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index d9617b11f7a8..11098eb7eb44 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -251,6 +251,7 @@ static int set_core_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) case PSR_AA32_MODE_SVC: case PSR_AA32_MODE_ABT: case PSR_AA32_MODE_UND:
case PSR_AA32_MODE_SYS: if (!vcpu_el1_is_32bit(vcpu)) return -EINVAL; break;-- 2.39.2