| #ifndef _ASM_X86_EDAC_H | |
| #define _ASM_X86_EDAC_H | |
| /* ECC atomic, DMA, SMP and interrupt safe scrub function */ | |
| static inline void atomic_scrub(void *va, u32 size) | |
| { | |
| u32 i, *virt_addr = va; | |
| /* | |
| * Very carefully read and write to memory atomically so we | |
| * are interrupt, DMA and SMP safe. | |
| */ | |
| for (i = 0; i < size / 4; i++, virt_addr++) | |
| asm volatile("lock; addl $0, %0"::"m" (*virt_addr)); | |
| } | |
| #endif /* _ASM_X86_EDAC_H */ |