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-rw-r--r--target-ppc/cpu.h1
-rw-r--r--target-ppc/kvm.c7
-rw-r--r--target-ppc/translate_init.c1
3 files changed, 9 insertions, 0 deletions
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index 69d8cf6bd2..b34aed6a19 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -1073,6 +1073,7 @@ struct CPUPPCState {
uint64_t insns_flags2;
#if defined(TARGET_PPC64)
struct ppc_segment_page_sizes sps;
+ bool ci_large_pages;
#endif
#if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index b4af75df68..ac70f0897b 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -414,6 +414,13 @@ static void kvm_fixup_page_sizes(PowerPCCPU *cpu)
/* Convert to QEMU form */
memset(&env->sps, 0, sizeof(env->sps));
+ /* If we have HV KVM, we need to forbid CI large pages if our
+ * host page size is smaller than 64K.
+ */
+ if (smmu_info.flags & KVM_PPC_PAGE_SIZES_REAL) {
+ env->ci_large_pages = getpagesize() >= 0x10000;
+ }
+
/*
* XXX This loop should be an entry wide AND of the capabilities that
* the selected CPU has with the capabilities that KVM supports.
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index 2adbb6338d..4934c80b8f 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -7864,6 +7864,7 @@ static void init_proc_book3s_64(CPUPPCState *env, int version)
gen_spr_book3s_ids(env);
gen_spr_amr(env);
gen_spr_book3s_purr(env);
+ env->ci_large_pages = true;
break;
default:
g_assert_not_reached();