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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hugetlb.h (1348B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _ASM_PARISC64_HUGETLB_H
      3#define _ASM_PARISC64_HUGETLB_H
      4
      5#include <asm/page.h>
      6
      7#define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT
      8void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
      9		     pte_t *ptep, pte_t pte);
     10
     11#define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
     12pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
     13			      pte_t *ptep);
     14
     15/*
     16 * If the arch doesn't supply something else, assume that hugepage
     17 * size aligned regions are ok without further preparation.
     18 */
     19#define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE
     20static inline int prepare_hugepage_range(struct file *file,
     21			unsigned long addr, unsigned long len)
     22{
     23	if (len & ~HPAGE_MASK)
     24		return -EINVAL;
     25	if (addr & ~HPAGE_MASK)
     26		return -EINVAL;
     27	return 0;
     28}
     29
     30#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
     31static inline pte_t huge_ptep_clear_flush(struct vm_area_struct *vma,
     32					  unsigned long addr, pte_t *ptep)
     33{
     34	return *ptep;
     35}
     36
     37#define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
     38void huge_ptep_set_wrprotect(struct mm_struct *mm,
     39					   unsigned long addr, pte_t *ptep);
     40
     41#define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
     42int huge_ptep_set_access_flags(struct vm_area_struct *vma,
     43					     unsigned long addr, pte_t *ptep,
     44					     pte_t pte, int dirty);
     45
     46#include <asm-generic/hugetlb.h>
     47
     48#endif /* _ASM_PARISC64_HUGETLB_H */