Hi, the following minimal testcase fails to compile on 2.6.29-rc6-rt3 with CONFIG_PREEMPT_RT=n. /dev/shm/m.c:8: error: expected expression before ‘{’ token ---8<--- #include <linux/module.h> #include <linux/semaphore.h> static int __init m_init(void) { rwlock_t f; f = RW_LOCK_UNLOCKED; return -EIO; } static void __exit m_exit(void) {} module_init(m_init); module_exit(m_exit); -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html