__smp_load_acquire 128 include/asm-generic/barrier.h #ifndef __smp_load_acquire __smp_load_acquire 157 include/asm-generic/barrier.h #define smp_load_acquire(p) __smp_load_acquire(p) __smp_load_acquire 204 include/asm-generic/barrier.h #define virt_load_acquire(p) __smp_load_acquire(p)