cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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edac.h (474B)

      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
      7static 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 */