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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mmiowb.h (398B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2
      3#ifndef _ASM_RISCV_MMIOWB_H
      4#define _ASM_RISCV_MMIOWB_H
      5
      6/*
      7 * "o,w" is sufficient to ensure that all writes to the device have completed
      8 * before the write to the spinlock is allowed to commit.
      9 */
     10#define mmiowb()	__asm__ __volatile__ ("fence o,w" : : : "memory");
     11
     12#include <linux/smp.h>
     13#include <asm-generic/mmiowb.h>
     14
     15#endif	/* _ASM_RISCV_MMIOWB_H */