blob: e9b57ecc70c5c99f587ed4a3a44518481109bdbe (
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 /* _ASM_X86_EDAC_H */
|
