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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vmacache.h (722B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef __LINUX_VMACACHE_H
      3#define __LINUX_VMACACHE_H
      4
      5#include <linux/sched.h>
      6#include <linux/mm.h>
      7
      8static inline void vmacache_flush(struct task_struct *tsk)
      9{
     10	memset(tsk->vmacache.vmas, 0, sizeof(tsk->vmacache.vmas));
     11}
     12
     13extern void vmacache_update(unsigned long addr, struct vm_area_struct *newvma);
     14extern struct vm_area_struct *vmacache_find(struct mm_struct *mm,
     15						    unsigned long addr);
     16
     17#ifndef CONFIG_MMU
     18extern struct vm_area_struct *vmacache_find_exact(struct mm_struct *mm,
     19						  unsigned long start,
     20						  unsigned long end);
     21#endif
     22
     23static inline void vmacache_invalidate(struct mm_struct *mm)
     24{
     25	mm->vmacache_seqnum++;
     26}
     27
     28#endif /* __LINUX_VMACACHE_H */