This bit only applies to hash partitions.
Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx>
---
arch/powerpc/kvm/book3s_hv.c | 6 ++++--
arch/powerpc/kvm/book3s_hv_nested.c | 2 +-
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index c40eeb20be39..2e29b96ef775 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -1666,10 +1666,12 @@ static void kvmppc_set_lpcr(struct kvm_vcpu *vcpu, u64 new_lpcr,
/*
* Userspace can only modify DPFD (default prefetch depth),
- * ILE (interrupt little-endian) and TC (translation control).
+ * ILE (interrupt little-endian) and TC (translation control) if HPT.
* On POWER8 and POWER9 userspace can also modify AIL (alt. interrupt loc.).
*/
- mask = LPCR_DPFD | LPCR_ILE | LPCR_TC;
+ mask = LPCR_DPFD | LPCR_ILE;
+ if (!kvm_is_radix(kvm))
+ mask |= LPCR_TC;
if (cpu_has_feature(CPU_FTR_ARCH_207S)) {
mask |= LPCR_AIL;
/* LPCR[AIL]=1/2 is disallowed */
diff --git a/arch/powerpc/kvm/book3s_hv_nested.c b/arch/powerpc/kvm/book3s_hv_nested.c
index b496079e02f7..0e6cf650cbfe 100644
--- a/arch/powerpc/kvm/book3s_hv_nested.c
+++ b/arch/powerpc/kvm/book3s_hv_nested.c
@@ -141,7 +141,7 @@ static void sanitise_hv_regs(struct kvm_vcpu *vcpu, struct hv_guest_state *hr)
* Don't let L1 change LPCR bits for the L2 except these:
* Keep this in sync with kvmppc_set_lpcr.
*/
- mask = LPCR_DPFD | LPCR_ILE | LPCR_TC | LPCR_LD | LPCR_LPES | LPCR_MER;
+ mask = LPCR_DPFD | LPCR_ILE | LPCR_LD | LPCR_LPES | LPCR_MER;
/* LPCR[AIL]=1/2 is disallowed */
if ((hr->lpcr & LPCR_AIL) && (hr->lpcr & LPCR_AIL) != LPCR_AIL_3)
hr->lpcr &= ~LPCR_AIL;
--
2.23.0
