diff options
-rw-r--r-- | include/asm-x86/pgtable.h | 49 |
1 files changed, 22 insertions, 27 deletions
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h index 97c271b2910b..fab3ecb54b68 100644 --- a/include/asm-x86/pgtable.h +++ b/include/asm-x86/pgtable.h | |||
@@ -20,30 +20,25 @@ | |||
20 | #define _PAGE_BIT_PAT_LARGE 12 /* On 2MB or 1GB pages */ | 20 | #define _PAGE_BIT_PAT_LARGE 12 /* On 2MB or 1GB pages */ |
21 | #define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */ | 21 | #define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */ |
22 | 22 | ||
23 | /* | 23 | #define _PAGE_PRESENT (_AT(pteval_t, 1) << _PAGE_BIT_PRESENT) |
24 | * Note: we use _AC(1, L) instead of _AC(1, UL) so that we get a | 24 | #define _PAGE_RW (_AT(pteval_t, 1) << _PAGE_BIT_RW) |
25 | * sign-extended value on 32-bit with all 1's in the upper word, | 25 | #define _PAGE_USER (_AT(pteval_t, 1) << _PAGE_BIT_USER) |
26 | * which preserves the upper pte values on 64-bit ptes: | 26 | #define _PAGE_PWT (_AT(pteval_t, 1) << _PAGE_BIT_PWT) |
27 | */ | 27 | #define _PAGE_PCD (_AT(pteval_t, 1) << _PAGE_BIT_PCD) |
28 | #define _PAGE_PRESENT (_AC(1, L)<<_PAGE_BIT_PRESENT) | 28 | #define _PAGE_ACCESSED (_AT(pteval_t, 1) << _PAGE_BIT_ACCESSED) |
29 | #define _PAGE_RW (_AC(1, L)<<_PAGE_BIT_RW) | 29 | #define _PAGE_DIRTY (_AT(pteval_t, 1) << _PAGE_BIT_DIRTY) |
30 | #define _PAGE_USER (_AC(1, L)<<_PAGE_BIT_USER) | 30 | #define _PAGE_PSE (_AT(pteval_t, 1) << _PAGE_BIT_PSE) |
31 | #define _PAGE_PWT (_AC(1, L)<<_PAGE_BIT_PWT) | 31 | #define _PAGE_GLOBAL (_AT(pteval_t, 1) << _PAGE_BIT_GLOBAL) |
32 | #define _PAGE_PCD (_AC(1, L)<<_PAGE_BIT_PCD) | 32 | #define _PAGE_UNUSED1 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED1) |
33 | #define _PAGE_ACCESSED (_AC(1, L)<<_PAGE_BIT_ACCESSED) | 33 | #define _PAGE_UNUSED2 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED2) |
34 | #define _PAGE_DIRTY (_AC(1, L)<<_PAGE_BIT_DIRTY) | 34 | #define _PAGE_UNUSED3 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED3) |
35 | #define _PAGE_PSE (_AC(1, L)<<_PAGE_BIT_PSE) /* 2MB page */ | 35 | #define _PAGE_PAT (_AT(pteval_t, 1) << _PAGE_BIT_PAT) |
36 | #define _PAGE_GLOBAL (_AC(1, L)<<_PAGE_BIT_GLOBAL) /* Global TLB entry */ | 36 | #define _PAGE_PAT_LARGE (_AT(pteval_t, 1) << _PAGE_BIT_PAT_LARGE) |
37 | #define _PAGE_UNUSED1 (_AC(1, L)<<_PAGE_BIT_UNUSED1) | ||
38 | #define _PAGE_UNUSED2 (_AC(1, L)<<_PAGE_BIT_UNUSED2) | ||
39 | #define _PAGE_UNUSED3 (_AC(1, L)<<_PAGE_BIT_UNUSED3) | ||
40 | #define _PAGE_PAT (_AC(1, L)<<_PAGE_BIT_PAT) | ||
41 | #define _PAGE_PAT_LARGE (_AC(1, L)<<_PAGE_BIT_PAT_LARGE) | ||
42 | 37 | ||
43 | #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) | 38 | #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) |
44 | #define _PAGE_NX (_AC(1, ULL) << _PAGE_BIT_NX) | 39 | #define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_NX) |
45 | #else | 40 | #else |
46 | #define _PAGE_NX 0 | 41 | #define _PAGE_NX (_AT(pteval_t, 0)) |
47 | #endif | 42 | #endif |
48 | 43 | ||
49 | /* If _PAGE_PRESENT is clear, we use these: */ | 44 | /* If _PAGE_PRESENT is clear, we use these: */ |
@@ -210,22 +205,22 @@ static inline int pmd_large(pmd_t pte) | |||
210 | 205 | ||
211 | static inline pte_t pte_mkclean(pte_t pte) | 206 | static inline pte_t pte_mkclean(pte_t pte) |
212 | { | 207 | { |
213 | return __pte(pte_val(pte) & ~(pteval_t)_PAGE_DIRTY); | 208 | return __pte(pte_val(pte) & ~_PAGE_DIRTY); |
214 | } | 209 | } |
215 | 210 | ||
216 | static inline pte_t pte_mkold(pte_t pte) | 211 | static inline pte_t pte_mkold(pte_t pte) |
217 | { | 212 | { |
218 | return __pte(pte_val(pte) & ~(pteval_t)_PAGE_ACCESSED); | 213 | return __pte(pte_val(pte) & ~_PAGE_ACCESSED); |
219 | } | 214 | } |
220 | 215 | ||
221 | static inline pte_t pte_wrprotect(pte_t pte) | 216 | static inline pte_t pte_wrprotect(pte_t pte) |
222 | { | 217 | { |
223 | return __pte(pte_val(pte) & ~(pteval_t)_PAGE_RW); | 218 | return __pte(pte_val(pte) & ~_PAGE_RW); |
224 | } | 219 | } |
225 | 220 | ||
226 | static inline pte_t pte_mkexec(pte_t pte) | 221 | static inline pte_t pte_mkexec(pte_t pte) |
227 | { | 222 | { |
228 | return __pte(pte_val(pte) & ~(pteval_t)_PAGE_NX); | 223 | return __pte(pte_val(pte) & ~_PAGE_NX); |
229 | } | 224 | } |
230 | 225 | ||
231 | static inline pte_t pte_mkdirty(pte_t pte) | 226 | static inline pte_t pte_mkdirty(pte_t pte) |
@@ -250,7 +245,7 @@ static inline pte_t pte_mkhuge(pte_t pte) | |||
250 | 245 | ||
251 | static inline pte_t pte_clrhuge(pte_t pte) | 246 | static inline pte_t pte_clrhuge(pte_t pte) |
252 | { | 247 | { |
253 | return __pte(pte_val(pte) & ~(pteval_t)_PAGE_PSE); | 248 | return __pte(pte_val(pte) & ~_PAGE_PSE); |
254 | } | 249 | } |
255 | 250 | ||
256 | static inline pte_t pte_mkglobal(pte_t pte) | 251 | static inline pte_t pte_mkglobal(pte_t pte) |
@@ -260,7 +255,7 @@ static inline pte_t pte_mkglobal(pte_t pte) | |||
260 | 255 | ||
261 | static inline pte_t pte_clrglobal(pte_t pte) | 256 | static inline pte_t pte_clrglobal(pte_t pte) |
262 | { | 257 | { |
263 | return __pte(pte_val(pte) & ~(pteval_t)_PAGE_GLOBAL); | 258 | return __pte(pte_val(pte) & ~_PAGE_GLOBAL); |
264 | } | 259 | } |
265 | 260 | ||
266 | static inline pte_t pte_mkspecial(pte_t pte) | 261 | static inline pte_t pte_mkspecial(pte_t pte) |