root/arch/x86/include/asm/edac.h

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INCLUDED FROM

DEFINITIONS

This source file includes following definitions.
  1. atomic_scrub
#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 */
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