This is a note to let you know that I've just added the patch titled
KVM: PPC: Book3S HV: Fix the set_one_reg for MMCR3
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
kvm-ppc-book3s-hv-fix-the-set_one_reg-for-mmcr3.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 79a7cd06aac800711aaaaca41ea13cc458360d67
Author: Shivaprasad G Bhat <sbhat@xxxxxxxxxxxxx>
Date: Wed Jun 5 13:06:16 2024 +0000
KVM: PPC: Book3S HV: Fix the set_one_reg for MMCR3
[ 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>
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;
