edac.h (a9de18eb761f7c1c860964b2e5addc1a35c7e861) edac.h (b01aec9b2c7d32f17a37553df63efa9f7c0fdaa0)
1#ifndef _ASM_X86_EDAC_H
2#define _ASM_X86_EDAC_H
3
4/* ECC atomic, DMA, SMP and interrupt safe scrub function */
5
1#ifndef _ASM_X86_EDAC_H
2#define _ASM_X86_EDAC_H
3
4/* ECC atomic, DMA, SMP and interrupt safe scrub function */
5
6static inline void atomic_scrub(void *va, u32 size)
6static inline void edac_atomic_scrub(void *va, u32 size)
7{
8 u32 i, *virt_addr = va;
9
10 /*
11 * Very carefully read and write to memory atomically so we
12 * are interrupt, DMA and SMP safe.
13 */
14 for (i = 0; i < size / 4; i++, virt_addr++)
15 asm volatile("lock; addl $0, %0"::"m" (*virt_addr));
16}
17
18#endif /* _ASM_X86_EDAC_H */
7{
8 u32 i, *virt_addr = va;
9
10 /*
11 * Very carefully read and write to memory atomically so we
12 * are interrupt, DMA and SMP safe.
13 */
14 for (i = 0; i < size / 4; i++, virt_addr++)
15 asm volatile("lock; addl $0, %0"::"m" (*virt_addr));
16}
17
18#endif /* _ASM_X86_EDAC_H */