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| /* SPDX-License-Identifier: GPL-2.0 */
| #ifndef _ASM_X86_EDAC_H
| #define _ASM_X86_EDAC_H
|
| /* ECC atomic, DMA, SMP and interrupt safe scrub function */
|
| static inline void edac_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 */
|
|
