arch_read_lock    206 arch/x86/include/asm/spinlock.h #define arch_read_lock_flags(lock, flags) arch_read_lock(lock)
arch_read_lock     41 include/linux/rwlock.h # define do_raw_read_lock(rwlock)	do {__acquire(lock); arch_read_lock(&(rwlock)->raw_lock); } while (0)