Patchwork [qom-next,17/59] cpu: Move halt_cond to CPUState

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Submitter Andreas Färber
Date May 23, 2012, 3:07 a.m.
Message ID <1337742502-28565-18-git-send-email-afaerber@suse.de>
Download mbox | patch
Permalink /patch/160799/
State New
Headers show

Comments

Andreas Färber - May 23, 2012, 3:07 a.m.
Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 cpu-defs.h         |    1 -
 cpus.c             |   22 ++++++++++++----------
 include/qemu/cpu.h |    1 +
 3 files changed, 13 insertions(+), 11 deletions(-)

Patch

diff --git a/cpu-defs.h b/cpu-defs.h
index 43af2ba..7c68c39 100644
--- a/cpu-defs.h
+++ b/cpu-defs.h
@@ -205,7 +205,6 @@  typedef struct CPUWatchpoint {
     /* user data */                                                     \
     void *opaque;                                                       \
                                                                         \
-    struct QemuCond *halt_cond;                                         \
     struct qemu_work_item *queued_work_first, *queued_work_last;        \
     const char *cpu_model_str;                                          \
     struct KVMState *kvm_state;                                         \
diff --git a/cpus.c b/cpus.c
index c0f253e..fcc0483 100644
--- a/cpus.c
+++ b/cpus.c
@@ -724,8 +724,10 @@  static void qemu_tcg_wait_io_event(void)
 
 static void qemu_kvm_wait_io_event(CPUArchState *env)
 {
+    CPUState *cpu = ENV_GET_CPU(env);
+
     while (cpu_thread_is_idle(env)) {
-        qemu_cond_wait(env->halt_cond, &qemu_global_mutex);
+        qemu_cond_wait(cpu->halt_cond, &qemu_global_mutex);
     }
 
     qemu_kvm_eat_signals(env);
@@ -875,7 +877,7 @@  void qemu_cpu_kick(void *_env)
     CPUArchState *env = _env;
     CPUState *cpu = ENV_GET_CPU(env);
 
-    qemu_cond_broadcast(env->halt_cond);
+    qemu_cond_broadcast(cpu->halt_cond);
     if (!tcg_enabled() && !cpu->thread_kicked) {
         qemu_cpu_kick_thread(cpu);
         cpu->thread_kicked = true;
@@ -994,9 +996,9 @@  static void qemu_tcg_init_vcpu(void *_env)
     /* share a single thread for all cpus with TCG */
     if (!tcg_cpu_thread) {
         cpu->thread = g_malloc0(sizeof(QemuThread));
-        env->halt_cond = g_malloc0(sizeof(QemuCond));
-        qemu_cond_init(env->halt_cond);
-        tcg_halt_cond = env->halt_cond;
+        cpu->halt_cond = g_malloc0(sizeof(QemuCond));
+        qemu_cond_init(cpu->halt_cond);
+        tcg_halt_cond = cpu->halt_cond;
         qemu_thread_create(cpu->thread, qemu_tcg_cpu_thread_fn, env,
                            QEMU_THREAD_JOINABLE);
 #ifdef _WIN32
@@ -1008,7 +1010,7 @@  static void qemu_tcg_init_vcpu(void *_env)
         tcg_cpu_thread = cpu->thread;
     } else {
         cpu->thread = tcg_cpu_thread;
-        env->halt_cond = tcg_halt_cond;
+        cpu->halt_cond = tcg_halt_cond;
     }
 }
 
@@ -1017,8 +1019,8 @@  static void qemu_kvm_start_vcpu(CPUArchState *env)
     CPUState *cpu = ENV_GET_CPU(env);
 
     cpu->thread = g_malloc0(sizeof(QemuThread));
-    env->halt_cond = g_malloc0(sizeof(QemuCond));
-    qemu_cond_init(env->halt_cond);
+    cpu->halt_cond = g_malloc0(sizeof(QemuCond));
+    qemu_cond_init(cpu->halt_cond);
     qemu_thread_create(cpu->thread, qemu_kvm_cpu_thread_fn, env,
                        QEMU_THREAD_JOINABLE);
     while (!cpu->created) {
@@ -1031,8 +1033,8 @@  static void qemu_dummy_start_vcpu(CPUArchState *env)
     CPUState *cpu = ENV_GET_CPU(env);
 
     cpu->thread = g_malloc0(sizeof(QemuThread));
-    env->halt_cond = g_malloc0(sizeof(QemuCond));
-    qemu_cond_init(env->halt_cond);
+    cpu->halt_cond = g_malloc0(sizeof(QemuCond));
+    qemu_cond_init(cpu->halt_cond);
     qemu_thread_create(cpu->thread, qemu_dummy_cpu_thread_fn, env,
                        QEMU_THREAD_JOINABLE);
     while (!cpu->created) {
diff --git a/include/qemu/cpu.h b/include/qemu/cpu.h
index 4e62032..75e0f8d 100644
--- a/include/qemu/cpu.h
+++ b/include/qemu/cpu.h
@@ -69,6 +69,7 @@  struct CPUState {
 #ifdef _WIN32
     HANDLE hThread;
 #endif
+    struct QemuCond *halt_cond;
     bool thread_kicked;
     bool created;
     bool stop;