1#ifndef _ASM_X86_EDAC_H
2#define _ASM_X86_EDAC_H
3
4/* ECC atomic, DMA, SMP and interrupt safe scrub function */
5
6static inline void atomic_scrub(void *va, u32 size)
7{
8	u32 i, *virt_addr = va;
9
10	/*
11	 * Very carefully read and write to memory atomically so we
12	 * are interrupt, DMA and SMP safe.
13	 */
14	for (i = 0; i < size / 4; i++, virt_addr++)
15		asm volatile("lock; addl $0, %0"::"m" (*virt_addr));
16}
17
18#endif /* _ASM_X86_EDAC_H */
19