mb                 15 include/asm-cris/system.h #define mb() barrier()
mb                179 include/asm-frv/system.h #define mb()			asm volatile ("membar" : : :"memory")
mb                356 include/asm-m32r/system.h #define mb()   barrier()
mb                 54 include/asm-m68k/system.h #define mb()		barrier()
mb                 62 include/asm-mn10300/system.h #define mb()	asm volatile ("": : :"memory")
mb                125 include/asm-parisc/system.h #define mb()		__asm__ __volatile__("":::"memory")	/* barrier() */
mb                327 include/asm-x86/system.h #define mb() alternative("lock; addl $0,0(%%esp)", "mfence", X86_FEATURE_XMM2)
mb                331 include/asm-x86/system.h #define mb() 	asm volatile("mfence":::"memory")
mb                 53 include/asm-xtensa/system.h #define mb()  barrier()