cpus: properly kick CPUs out of inner execution loop

Now that cpu_exit() actually kicks all accelerators, use it whenever
the message to another thread is processed in qemu_wait_io_event().

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c
index 51875e32a0..c594d4b916 100644
--- a/hw/ppc/spapr_hcall.c
+++ b/hw/ppc/spapr_hcall.c
@@ -509,8 +509,8 @@ static target_ulong h_cede(PowerPCCPU *cpu, SpaprMachineState *spapr,
     if (!cpu_has_work(cs)) {
         cs->halted = 1;
         cs->exception_index = EXCP_HLT;
-        qatomic_set(&cs->exit_request, true);
         ppc_maybe_interrupt(env);
+        cpu_exit(cs);
     }
 
     return H_SUCCESS;
@@ -531,8 +531,8 @@ static target_ulong h_confer_self(PowerPCCPU *cpu)
     }
     cs->halted = 1;
     cs->exception_index = EXCP_HALTED;
-    qatomic_set(&cs->exit_request, true);
     ppc_maybe_interrupt(&cpu->env);
+    cpu_exit(cs);
 
     return H_SUCCESS;
 }
@@ -624,8 +624,7 @@ static target_ulong h_confer(PowerPCCPU *cpu, SpaprMachineState *spapr,
     }
 
     cs->exception_index = EXCP_YIELD;
-    qatomic_set(&cs->exit_request, true);
-    cpu_loop_exit(cs);
+    cpu_exit(cs);
 
     return H_SUCCESS;
 }