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1 | /* SPDX-License-Identifier: GPL-2.0 */ |
---|---|
2 | #ifndef _ASM_X86_EDAC_H |
3 | #define _ASM_X86_EDAC_H |
4 | |
5 | /* ECC atomic, DMA, SMP and interrupt safe scrub function */ |
6 | |
7 | static inline void edac_atomic_scrub(void *va, u32 size) |
8 | { |
9 | u32 i, *virt_addr = va; |
10 | |
11 | /* |
12 | * Very carefully read and write to memory atomically so we |
13 | * are interrupt, DMA and SMP safe. |
14 | */ |
15 | for (i = 0; i < size / 4; i++, virt_addr++) |
16 | asm volatile("lock; addl $0, %0"::"m" (*virt_addr)); |
17 | } |
18 | |
19 | #endif /* _ASM_X86_EDAC_H */ |
20 |
Warning: This file is not a C or C++ file. It does not have highlighting.