/* 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 */ |