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ANDROID: arm64: Auto-enroll MMIO guard on protected vms

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Set the MMIO guard flag for protected vms prior to entering the guest
for the first time.

Bug: 216798684
Signed-off-by: Sebastian Ene <sebastianene@google.com>
Change-Id: I1448102ae85176d495ae7f8d6d20de4092049f0d
This commit is contained in:
Sebastian Ene
2022-04-21 10:45:51 +00:00
parent 3e591c63b1
commit 6450df3d7e
1 changed files with 4 additions and 0 deletions
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4
arch/arm64/kvm/hyp/nvhe/pkvm.c
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@@ -833,6 +833,10 @@ void pkvm_reset_vcpu(struct kvm_vcpu *vcpu)
*vcpu_pc(vcpu) = entry;
vm->pvmfw_entry_vcpu = NULL;
/* Auto enroll MMIO guard */
set_bit(KVM_ARCH_FLAG_MMIO_GUARD,
&vcpu->arch.pkvm.shadow_vm->arch.flags);
} else {
*vcpu_pc(vcpu) = reset_state->pc;
vcpu_set_reg(vcpu, 0, reset_state->r0);