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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spinlock.h (601B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (C) 2012 ARM Ltd.
      4 */
      5#ifndef __ASM_SPINLOCK_H
      6#define __ASM_SPINLOCK_H
      7
      8#include <asm/qspinlock.h>
      9#include <asm/qrwlock.h>
     10
     11/* See include/linux/spinlock.h */
     12#define smp_mb__after_spinlock()	smp_mb()
     13
     14/*
     15 * Changing this will break osq_lock() thanks to the call inside
     16 * smp_cond_load_relaxed().
     17 *
     18 * See:
     19 * https://lore.kernel.org/lkml/20200110100612.GC2827@hirez.programming.kicks-ass.net
     20 */
     21#define vcpu_is_preempted vcpu_is_preempted
     22static inline bool vcpu_is_preempted(int cpu)
     23{
     24	return false;
     25}
     26
     27#endif /* __ASM_SPINLOCK_H */