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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barrier.h (502B)

      1/*
      2 * Copied from the kernel sources to tools/:
      3 *
      4 * This file is subject to the terms and conditions of the GNU General Public
      5 * License.  See the file "COPYING" in the main directory of this archive
      6 * for more details.
      7 *
      8 * Copyright (C) 2001 - 2012 Tensilica Inc.
      9 */
     10
     11#ifndef _TOOLS_LINUX_XTENSA_SYSTEM_H
     12#define _TOOLS_LINUX_XTENSA_SYSTEM_H
     13
     14#define mb()  ({ __asm__ __volatile__("memw" : : : "memory"); })
     15#define rmb() barrier()
     16#define wmb() mb()
     17
     18#endif /* _TOOLS_LINUX_XTENSA_SYSTEM_H */