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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 */