diff options
Diffstat (limited to 'target-ppc/kvm.c')
| -rw-r--r-- | target-ppc/kvm.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c index afb4696b8a..ddf469fe09 100644 --- a/target-ppc/kvm.c +++ b/target-ppc/kvm.c @@ -1242,6 +1242,8 @@ void kvm_arch_pre_run(CPUState *cs, struct kvm_run *run) int r; unsigned irq; + qemu_mutex_lock_iothread(); + /* PowerPC QEMU tracks the various core input pins (interrupt, critical * interrupt, reset, etc) in PPC-specific env->irq_input_state. */ if (!cap_interrupt_level && @@ -1269,6 +1271,8 @@ void kvm_arch_pre_run(CPUState *cs, struct kvm_run *run) /* We don't know if there are more interrupts pending after this. However, * the guest will return to userspace in the course of handling this one * anyways, so we will get a chance to deliver the rest. */ + + qemu_mutex_unlock_iothread(); } MemTxAttrs kvm_arch_post_run(CPUState *cs, struct kvm_run *run) @@ -1570,6 +1574,8 @@ int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run) CPUPPCState *env = &cpu->env; int ret; + qemu_mutex_lock_iothread(); + switch (run->exit_reason) { case KVM_EXIT_DCR: if (run->dcr.is_write) { @@ -1620,6 +1626,7 @@ int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run) break; } + qemu_mutex_unlock_iothread(); return ret; } |