Symbol: __io_br
arch/arm64/include/asm/io.h
117
#define __io_br(v)
arch/riscv/include/asm/mmio.h
134
#define __io_br() do {} while (0)
include/asm-generic/io.h
24
#define __io_br() barrier()
tools/include/asm-generic/io.h
17
#define __io_br() barrier()