[PATCH 6.6 257/568] KVM: PPC: Book3S HV: Fix the set_one_reg for MMCR3

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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







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