We were unlocking this lock after fork, which is wrong since
only the thread that holds a mutex is allowed to unlock it.
Signed-off-by: Emilio G. Cota <cota@braap.org>
Message-Id: <
1440375847-17603-9-git-send-email-cota@braap.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
qemu_mutex_unlock(&rcu_registry_lock);
qemu_mutex_unlock(&rcu_sync_lock);
}
+
+static void rcu_init_child(void)
+{
+ qemu_mutex_init(&rcu_registry_lock);
+}
#endif
void rcu_after_fork(void)
static void __attribute__((__constructor__)) rcu_init(void)
{
#ifdef CONFIG_POSIX
- pthread_atfork(rcu_init_lock, rcu_init_unlock, rcu_init_unlock);
+ pthread_atfork(rcu_init_lock, rcu_init_unlock, rcu_init_child);
#endif
rcu_init_complete();
}