xref: /openbmc/linux/tools/arch/arm/include/asm/barrier.h (revision 4f3db074)
1 #ifndef _TOOLS_LINUX_ASM_ARM_BARRIER_H
2 #define _TOOLS_LINUX_ASM_ARM_BARRIER_H
3 
4 /*
5  * Use the __kuser_memory_barrier helper in the CPU helper page. See
6  * arch/arm/kernel/entry-armv.S in the kernel source for details.
7  */
8 #define mb()		((void(*)(void))0xffff0fa0)()
9 #define wmb()		((void(*)(void))0xffff0fa0)()
10 #define rmb()		((void(*)(void))0xffff0fa0)()
11 
12 #endif /* _TOOLS_LINUX_ASM_ARM_BARRIER_H */
13