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[Qemu-devel] [PATCH 41/41] cpus: create qemu_cpu_is_vcpu()
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PATCH 41/41] cpus: create qemu_cpu_is_vcpu() |
Date: |
Fri, 21 Sep 2012 10:47:35 +0200 |
Old code used !io_thread to know if a thread was an vcpu or not. That
fails when we introduce the iothread.
Signed-off-by: Juan Quintela <address@hidden>
---
cpus.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/cpus.c b/cpus.c
index e476a3c..1b7061a 100644
--- a/cpus.c
+++ b/cpus.c
@@ -902,6 +902,11 @@ int qemu_cpu_is_self(void *_env)
return qemu_thread_is_self(cpu->thread);
}
+static bool qemu_cpu_is_vcpu(void)
+{
+ return cpu_single_env && qemu_cpu_is_self(&cpu_single_env);
+}
+
void qemu_mutex_lock_iothread(void)
{
if (!tcg_enabled()) {
@@ -947,7 +952,7 @@ void pause_all_vcpus(void)
penv = penv->next_cpu;
}
- if (!qemu_thread_is_self(&io_thread)) {
+ if (qemu_cpu_is_vcpu()) {
cpu_stop_current();
if (!kvm_enabled()) {
while (penv) {
@@ -1064,7 +1069,7 @@ void cpu_stop_current(void)
void vm_stop(RunState state)
{
- if (!qemu_thread_is_self(&io_thread)) {
+ if (qemu_cpu_is_vcpu()) {
qemu_system_vmstop_request(state);
/*
* FIXME: should not return to device code in case
--
1.7.11.4