[PATCH] KVM: PPC: Book3S HV: Initialize AMOR in nested entry

Fabiano Rosas farosas at linux.ibm.com
Tue Apr 26 00:21:51 AEST 2022


The hypervisor always sets AMOR to ~0, but let's ensure we're not
passing stale values around.

Signed-off-by: Fabiano Rosas <farosas at linux.ibm.com>
---
 arch/powerpc/kvm/book3s_hv.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 6fa518f6501d..b5f504576765 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -3967,6 +3967,7 @@ static int kvmhv_vcpu_entry_p9_nested(struct kvm_vcpu *vcpu, u64 time_limit, uns
 
 	kvmhv_save_hv_regs(vcpu, &hvregs);
 	hvregs.lpcr = lpcr;
+	hvregs.amor = ~0;
 	vcpu->arch.regs.msr = vcpu->arch.shregs.msr;
 	hvregs.version = HV_GUEST_STATE_VERSION;
 	if (vcpu->arch.nested) {
-- 
2.35.1



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