6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Shivaprasad G Bhat <sbhat@xxxxxxxxxxxxx>
[ Upstream commit f9ca6a10be20479d526f27316cc32cfd1785ed39 ]
The kvmppc_set_one_reg_hv() wrongly get() the value
instead of set() for MMCR3. Fix the same.
Fixes: 5752fe0b811b ("KVM: PPC: Book3S HV: Save/restore new PMU registers")
Signed-off-by: Shivaprasad G Bhat <sbhat@xxxxxxxxxxxxx>
Reviewed-by: Nicholas Piggin <npiggin@xxxxxxxxx>
Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Link: https://msgid.link/171759276847.1480.16387950124201117847.stgit@xxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/powerpc/kvm/book3s_hv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 0429488ba170d..1e668e238a288 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -2484,7 +2484,7 @@ static int kvmppc_set_one_reg_hv(struct kvm_vcpu *vcpu, u64 id,
vcpu->arch.mmcrs = set_reg_val(id, *val);
break;
case KVM_REG_PPC_MMCR3:
- *val = get_reg_val(id, vcpu->arch.mmcr[3]);
+ kvmppc_set_mmcr_hv(vcpu, 3, set_reg_val(id, *val));
break;
case KVM_REG_PPC_PMC1 ... KVM_REG_PPC_PMC8:
i = id - KVM_REG_PPC_PMC1;
--
2.43.0
