blob: cf3200a745ad7b41e6925fb8ab5c7704cfb71fb3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
|
#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
|