Merge remote-tracking branch 'afaerber/qom-cpu' into staging

# By Andreas Färber
# Via Andreas Färber
* afaerber/qom-cpu: (47 commits)
  target-i386: Split command line parsing out of cpu_x86_register()
  target-i386: Move cpu_x86_init()
  target-lm32: Drop unused cpu_lm32_close() prototype
  target-s390x: Drop unused cpu_s390x_close() prototype
  spapr_hcall: Replace open-coded CPU loop with qemu_get_cpu()
  ppce500_spin: Replace open-coded CPU loop with qemu_get_cpu()
  e500: Replace open-coded loop with qemu_get_cpu()
  cpu: Add CPUArchState pointer to CPUState
  cputlb: Pass CPUState to cpu_unlink_tb()
  cpu: Move current_tb field to CPUState
  cpu: Move exit_request field to CPUState
  cpu: Move running field to CPUState
  cpu: Move host_tid field to CPUState
  target-cris: Introduce CRISCPU subclasses
  target-m68k: Pass M68kCPU to m68k_set_irq_level()
  mcf_intc: Pass M68kCPU to mcf_intc_init()
  mcf5206: Pass M68kCPU to mcf5206_init()
  target-m68k: Return M68kCPU from cpu_m68k_init()
  ppc405_uc: Pass PowerPCCPU to ppc40x_{core,chip,system}_reset()
  target-xtensa: Move TCG initialization to XtensaCPU initfn
  ...

1 files changed, 3 insertions, 1 deletions

diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index f685c28573..e856191e40 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -404,11 +404,13 @@ extern volatile sig_atomic_t exit_request;
    instruction of a TB so that interrupts take effect immediately.  */
 static inline int can_do_io(CPUArchState *env)
 {
+    CPUState *cpu = ENV_GET_CPU(env);
+
     if (!use_icount) {
         return 1;
     }
     /* If not executing code then assume we are ok.  */
-    if (!env->current_tb) {
+    if (cpu->current_tb == NULL) {
         return 1;
     }
     return env->can_do_io != 0;