Patchwork [qom-next,12/59] cpu: Move stop field to CPUState

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Submitter Andreas Färber
Date May 23, 2012, 3:07 a.m.
Message ID <1337742502-28565-13-git-send-email-afaerber@suse.de>
Download mbox | patch
Permalink /patch/160805/
State New
Headers show

Comments

Andreas Färber - May 23, 2012, 3:07 a.m.
Change its type to bool.

Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 cpu-defs.h         |    1 -
 cpus.c             |   27 ++++++++++++++++++---------
 include/qemu/cpu.h |    2 ++
 3 files changed, 20 insertions(+), 10 deletions(-)

Patch

diff --git a/cpu-defs.h b/cpu-defs.h
index ae95158..c93371e 100644
--- a/cpu-defs.h
+++ b/cpu-defs.h
@@ -205,7 +205,6 @@  typedef struct CPUWatchpoint {
     /* user data */                                                     \
     void *opaque;                                                       \
                                                                         \
-    uint32_t stop;   /* Stop request */                                 \
     uint32_t stopped; /* Artificially stopped */                        \
     struct QemuCond *halt_cond;                                         \
     struct qemu_work_item *queued_work_first, *queued_work_last;        \
diff --git a/cpus.c b/cpus.c
index 8ad4949..e26ef39 100644
--- a/cpus.c
+++ b/cpus.c
@@ -424,7 +424,9 @@  static void do_vm_stop(RunState state)
 
 static int cpu_can_run(CPUArchState *env)
 {
-    if (env->stop) {
+    CPUState *cpu = ENV_GET_CPU(env);
+
+    if (cpu->stop) {
         return 0;
     }
     if (env->stopped || !runstate_is_running()) {
@@ -435,7 +437,9 @@  static int cpu_can_run(CPUArchState *env)
 
 static bool cpu_thread_is_idle(CPUArchState *env)
 {
-    if (env->stop || env->queued_work_first) {
+    CPUState *cpu = ENV_GET_CPU(env);
+
+    if (cpu->stop || env->queued_work_first) {
         return false;
     }
     if (env->stopped || !runstate_is_running()) {
@@ -689,8 +693,8 @@  static void qemu_wait_io_event_common(CPUArchState *env)
 {
     CPUState *cpu = ENV_GET_CPU(env);
 
-    if (env->stop) {
-        env->stop = 0;
+    if (cpu->stop) {
+        cpu->stop = false;
         env->stopped = 1;
         qemu_cond_signal(&qemu_pause_cond);
     }
@@ -938,7 +942,8 @@  void pause_all_vcpus(void)
 
     qemu_clock_enable(vm_clock, false);
     while (penv) {
-        penv->stop = 1;
+        CPUState *pcpu = ENV_GET_CPU(penv);
+        pcpu->stop = true;
         qemu_cpu_kick(penv);
         penv = penv->next_cpu;
     }
@@ -947,7 +952,8 @@  void pause_all_vcpus(void)
         cpu_stop_current();
         if (!kvm_enabled()) {
             while (penv) {
-                penv->stop = 0;
+                CPUState *pcpu = ENV_GET_CPU(penv);
+                pcpu->stop = 0;
                 penv->stopped = 1;
                 penv = penv->next_cpu;
             }
@@ -971,7 +977,8 @@  void resume_all_vcpus(void)
 
     qemu_clock_enable(vm_clock, true);
     while (penv) {
-        penv->stop = 0;
+        CPUState *pcpu = ENV_GET_CPU(penv);
+        pcpu->stop = false;
         penv->stopped = 0;
         qemu_cpu_kick(penv);
         penv = penv->next_cpu;
@@ -1051,7 +1058,8 @@  void qemu_init_vcpu(void *_env)
 void cpu_stop_current(void)
 {
     if (cpu_single_env) {
-        cpu_single_env->stop = 0;
+        CPUState *cpu_single_cpu = ENV_GET_CPU(cpu_single_env);
+        cpu_single_cpu->stop = false;
         cpu_single_env->stopped = 1;
         cpu_exit(cpu_single_env);
         qemu_cond_signal(&qemu_pause_cond);
@@ -1133,6 +1141,7 @@  static void tcg_exec_all(void)
     }
     for (; next_cpu != NULL && !exit_request; next_cpu = next_cpu->next_cpu) {
         CPUArchState *env = next_cpu;
+        CPUState *cpu = ENV_GET_CPU(env);
 
         qemu_clock_enable(vm_clock,
                           (env->singlestep_enabled & SSTEP_NOTIMER) == 0);
@@ -1143,7 +1152,7 @@  static void tcg_exec_all(void)
                 cpu_handle_guest_debug(env);
                 break;
             }
-        } else if (env->stop || env->stopped) {
+        } else if (cpu->stop || env->stopped) {
             break;
         }
     }
diff --git a/include/qemu/cpu.h b/include/qemu/cpu.h
index 3ab2e25..04c7848 100644
--- a/include/qemu/cpu.h
+++ b/include/qemu/cpu.h
@@ -55,6 +55,7 @@  typedef struct CPUClass {
 /**
  * CPUState:
  * @created: Indicates whether the CPU thread has been successfully created.
+ * @stop: Indicates a pending stop request.
  *
  * State of one CPU core or thread.
  */
@@ -69,6 +70,7 @@  struct CPUState {
 #endif
     bool thread_kicked;
     bool created;
+    bool stop;
 
     /* TODO Move common fields from CPUArchState here. */
 };