diff options
Diffstat (limited to 'include/asm-x86/pgtable-2level.h')
-rw-r--r-- | include/asm-x86/pgtable-2level.h | 45 |
1 files changed, 18 insertions, 27 deletions
diff --git a/include/asm-x86/pgtable-2level.h b/include/asm-x86/pgtable-2level.h index 84b03cf56a79..701404fab308 100644 --- a/include/asm-x86/pgtable-2level.h +++ b/include/asm-x86/pgtable-2level.h | |||
@@ -15,30 +15,31 @@ static inline void native_set_pte(pte_t *ptep , pte_t pte) | |||
15 | { | 15 | { |
16 | *ptep = pte; | 16 | *ptep = pte; |
17 | } | 17 | } |
18 | static inline void native_set_pte_at(struct mm_struct *mm, unsigned long addr, | 18 | |
19 | pte_t *ptep , pte_t pte) | ||
20 | { | ||
21 | native_set_pte(ptep, pte); | ||
22 | } | ||
23 | static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd) | 19 | static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd) |
24 | { | 20 | { |
25 | *pmdp = pmd; | 21 | *pmdp = pmd; |
26 | } | 22 | } |
27 | #ifndef CONFIG_PARAVIRT | ||
28 | #define set_pte(pteptr, pteval) native_set_pte(pteptr, pteval) | ||
29 | #define set_pte_at(mm,addr,ptep,pteval) native_set_pte_at(mm, addr, ptep, pteval) | ||
30 | #define set_pmd(pmdptr, pmdval) native_set_pmd(pmdptr, pmdval) | ||
31 | #endif | ||
32 | 23 | ||
33 | #define set_pte_atomic(pteptr, pteval) set_pte(pteptr,pteval) | 24 | static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte) |
34 | #define set_pte_present(mm,addr,ptep,pteval) set_pte_at(mm,addr,ptep,pteval) | 25 | { |
26 | native_set_pte(ptep, pte); | ||
27 | } | ||
35 | 28 | ||
36 | #define pte_clear(mm,addr,xp) do { set_pte_at(mm, addr, xp, __pte(0)); } while (0) | 29 | static inline void native_set_pte_present(struct mm_struct *mm, unsigned long addr, |
37 | #define pmd_clear(xp) do { set_pmd(xp, __pmd(0)); } while (0) | 30 | pte_t *ptep, pte_t pte) |
31 | { | ||
32 | native_set_pte(ptep, pte); | ||
33 | } | ||
34 | |||
35 | static inline void native_pmd_clear(pmd_t *pmdp) | ||
36 | { | ||
37 | native_set_pmd(pmdp, __pmd(0)); | ||
38 | } | ||
38 | 39 | ||
39 | static inline void native_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *xp) | 40 | static inline void native_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *xp) |
40 | { | 41 | { |
41 | *xp = __pte(0); | 42 | *xp = native_make_pte(0); |
42 | } | 43 | } |
43 | 44 | ||
44 | #ifdef CONFIG_SMP | 45 | #ifdef CONFIG_SMP |
@@ -53,16 +54,6 @@ static inline pte_t native_ptep_get_and_clear(pte_t *xp) | |||
53 | #define pte_page(x) pfn_to_page(pte_pfn(x)) | 54 | #define pte_page(x) pfn_to_page(pte_pfn(x)) |
54 | #define pte_none(x) (!(x).pte_low) | 55 | #define pte_none(x) (!(x).pte_low) |
55 | #define pte_pfn(x) (pte_val(x) >> PAGE_SHIFT) | 56 | #define pte_pfn(x) (pte_val(x) >> PAGE_SHIFT) |
56 | #define pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot)) | ||
57 | #define pfn_pmd(pfn, prot) __pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot)) | ||
58 | |||
59 | /* | ||
60 | * All present pages are kernel-executable: | ||
61 | */ | ||
62 | static inline int pte_exec_kernel(pte_t pte) | ||
63 | { | ||
64 | return 1; | ||
65 | } | ||
66 | 57 | ||
67 | /* | 58 | /* |
68 | * Bits 0, 6 and 7 are taken, split up the 29 bits of offset | 59 | * Bits 0, 6 and 7 are taken, split up the 29 bits of offset |
@@ -74,13 +65,13 @@ static inline int pte_exec_kernel(pte_t pte) | |||
74 | ((((pte).pte_low >> 1) & 0x1f ) + (((pte).pte_low >> 8) << 5 )) | 65 | ((((pte).pte_low >> 1) & 0x1f ) + (((pte).pte_low >> 8) << 5 )) |
75 | 66 | ||
76 | #define pgoff_to_pte(off) \ | 67 | #define pgoff_to_pte(off) \ |
77 | ((pte_t) { (((off) & 0x1f) << 1) + (((off) >> 5) << 8) + _PAGE_FILE }) | 68 | ((pte_t) { .pte_low = (((off) & 0x1f) << 1) + (((off) >> 5) << 8) + _PAGE_FILE }) |
78 | 69 | ||
79 | /* Encode and de-code a swap entry */ | 70 | /* Encode and de-code a swap entry */ |
80 | #define __swp_type(x) (((x).val >> 1) & 0x1f) | 71 | #define __swp_type(x) (((x).val >> 1) & 0x1f) |
81 | #define __swp_offset(x) ((x).val >> 8) | 72 | #define __swp_offset(x) ((x).val >> 8) |
82 | #define __swp_entry(type, offset) ((swp_entry_t) { ((type) << 1) | ((offset) << 8) }) | 73 | #define __swp_entry(type, offset) ((swp_entry_t) { ((type) << 1) | ((offset) << 8) }) |
83 | #define __pte_to_swp_entry(pte) ((swp_entry_t) { (pte).pte_low }) | 74 | #define __pte_to_swp_entry(pte) ((swp_entry_t) { (pte).pte_low }) |
84 | #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) | 75 | #define __swp_entry_to_pte(x) ((pte_t) { .pte = (x).val }) |
85 | 76 | ||
86 | #endif /* _I386_PGTABLE_2LEVEL_H */ | 77 | #endif /* _I386_PGTABLE_2LEVEL_H */ |