Defined in 2 files as a macro:

• include/asm-generic/barrier.h, line 202 (as a macro)
• tools/virtio/asm/barrier.h, line 5 (as a macro)

Referenced in 3 files:

• drivers/xen/xenbus/xenbus_comms.c, line 133
• include/linux/virtio_ring.h, line 43
• include/xen/interface/io/ring.h
  • line 211
  • line 216
  • line 253
  • line 263