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cpu: Use QTAILQ for CPU list

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Introduce CPU_FOREACH(), CPU_FOREACH_SAFE() and CPU_NEXT() shorthand
macros.

Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-06-24 23:50:24 +02:00
parent 27013bf20d
commit bdc44640cb
26 changed files with 94 additions and 112 deletions
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10
linux-user/main.c
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@ -117,10 +117,14 @@ void fork_end(int child)
{
mmap_fork_end(child);
if (child) {
CPUState *cpu, *next_cpu;
/* Child processes created by fork() only have a single thread.
Discard information about the parent threads. */
first_cpu = thread_cpu;
first_cpu->next_cpu = NULL;
CPU_FOREACH_SAFE(cpu, next_cpu) {
if (cpu != thread_cpu) {
QTAILQ_REMOVE(&cpus, thread_cpu, node);
}
}
pending_cpus = 0;
pthread_mutex_init(&exclusive_lock, NULL);
pthread_mutex_init(&cpu_list_mutex, NULL);
@ -154,7 +158,7 @@ static inline void start_exclusive(void)
pending_cpus = 1;
/* Make all other cpus stop executing. */
for (other_cpu = first_cpu; other_cpu; other_cpu = other_cpu->next_cpu) {
CPU_FOREACH(other_cpu) {
if (other_cpu->running) {
pending_cpus++;
cpu_exit(other_cpu);