4 /* ECC atomic, DMA, SMP and interrupt safe scrub function */
6 static __inline__ void atomic_scrub(void *va, u32 size)
8 unsigned long *virt_addr = va;
11 for (i = 0; i < size / 4; i++, virt_addr++)
12 /* Very carefully read and write to memory atomically
13 * so we are interrupt, DMA and SMP safe.
15 __asm__ __volatile__("lock; addl $0, %0"::"m"(*virt_addr));