diff options
Diffstat (limited to 'target/ppc/compat.c')
| -rw-r--r-- | target/ppc/compat.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/target/ppc/compat.c b/target/ppc/compat.c index f1b67faa97..f8729fe46d 100644 --- a/target/ppc/compat.c +++ b/target/ppc/compat.c @@ -140,16 +140,17 @@ void ppc_set_compat(PowerPCCPU *cpu, uint32_t compat_pvr, Error **errp) cpu_synchronize_state(CPU(cpu)); - cpu->compat_pvr = compat_pvr; - env->spr[SPR_PCR] = pcr & pcc->pcr_mask; - - if (kvm_enabled()) { + if (kvm_enabled() && cpu->compat_pvr != compat_pvr) { int ret = kvmppc_set_compat(cpu, cpu->compat_pvr); if (ret < 0) { error_setg_errno(errp, -ret, "Unable to set CPU compatibility mode in KVM"); + return; } } + + cpu->compat_pvr = compat_pvr; + env->spr[SPR_PCR] = pcr & pcc->pcr_mask; } typedef struct { |