edac.h
423 Bytes
#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 long *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