#ifndef ASM_EDAC_H #define ASM_EDAC_H /* ECC atomic, DMA, SMP and interrupt safe scrub function */ static __inline__ void atomic_scrub(void *va, u32 size) { unsigned int *virt_addr = va; u32 i; for (i = 0; i < size / 4; i++, virt_addr++) /* Very carefully read and write to memory atomically * so we are interrupt, DMA and SMP safe. */ __asm__ __volatile__("lock; addl $0, %0"::"m"(*virt_addr)); } #endif