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-rw-r--r--target-ppc/translate_init.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index 2d78529273..4f767c9751 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -28,6 +28,7 @@
#include <sysemu/kvm.h>
#include "kvm_ppc.h"
#include "sysemu/arch_init.h"
+#include "sysemu/cpus.h"
//#define PPC_DUMP_CPU
//#define PPC_DEBUG_SPR
@@ -10036,6 +10037,17 @@ static void ppc_cpu_realize(Object *obj, Error **errp)
PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
ppc_def_t *def = pcc->info;
Error *local_err = NULL;
+#if !defined(CONFIG_USER_ONLY)
+ int max_smt = kvm_enabled() ? kvmppc_smt_threads() : 1;
+#endif
+
+#if !defined(CONFIG_USER_ONLY)
+ if (smp_threads > max_smt) {
+ fprintf(stderr, "Cannot support more than %d threads on PPC with %s\n",
+ max_smt, kvm_enabled() ? "KVM" : "TCG");
+ exit(1);
+ }
+#endif
if (kvm_enabled()) {
if (kvmppc_fixup_cpu(cpu) != 0) {