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Diffstat (limited to 'include/asm-mips/page.h')
-rw-r--r--include/asm-mips/page.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/include/asm-mips/page.h b/include/asm-mips/page.h
index 219d359861f3..85b258ee7090 100644
--- a/include/asm-mips/page.h
+++ b/include/asm-mips/page.h
@@ -34,6 +34,8 @@
34 34
35#ifndef __ASSEMBLY__ 35#ifndef __ASSEMBLY__
36 36
37#include <asm/cpu-features.h>
38
37extern void clear_page(void * page); 39extern void clear_page(void * page);
38extern void copy_page(void * to, void * from); 40extern void copy_page(void * to, void * from);
39 41
@@ -53,7 +55,7 @@ static inline void clear_user_page(void *addr, unsigned long vaddr,
53 extern void (*flush_data_cache_page)(unsigned long addr); 55 extern void (*flush_data_cache_page)(unsigned long addr);
54 56
55 clear_page(addr); 57 clear_page(addr);
56 if (pages_do_alias((unsigned long) addr, vaddr)) 58 if (pages_do_alias((unsigned long) addr, vaddr & PAGE_MASK))
57 flush_data_cache_page((unsigned long)addr); 59 flush_data_cache_page((unsigned long)addr);
58} 60}
59 61
@@ -63,7 +65,8 @@ static inline void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
63 extern void (*flush_data_cache_page)(unsigned long addr); 65 extern void (*flush_data_cache_page)(unsigned long addr);
64 66
65 copy_page(vto, vfrom); 67 copy_page(vto, vfrom);
66 if (pages_do_alias((unsigned long)vto, vaddr)) 68 if (!cpu_has_ic_fills_f_dc ||
69 pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK))
67 flush_data_cache_page((unsigned long)vto); 70 flush_data_cache_page((unsigned long)vto);
68} 71}
69 72
@@ -74,15 +77,17 @@ static inline void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
74 #ifdef CONFIG_CPU_MIPS32 77 #ifdef CONFIG_CPU_MIPS32
75 typedef struct { unsigned long pte_low, pte_high; } pte_t; 78 typedef struct { unsigned long pte_low, pte_high; } pte_t;
76 #define pte_val(x) ((x).pte_low | ((unsigned long long)(x).pte_high << 32)) 79 #define pte_val(x) ((x).pte_low | ((unsigned long long)(x).pte_high << 32))
80 #define __pte(x) ({ pte_t __pte = {(x), ((unsigned long long)(x)) >> 32}; __pte; })
77 #else 81 #else
78 typedef struct { unsigned long long pte; } pte_t; 82 typedef struct { unsigned long long pte; } pte_t;
79 #define pte_val(x) ((x).pte) 83 #define pte_val(x) ((x).pte)
84 #define __pte(x) ((pte_t) { (x) } )
80 #endif 85 #endif
81#else 86#else
82typedef struct { unsigned long pte; } pte_t; 87typedef struct { unsigned long pte; } pte_t;
83#define pte_val(x) ((x).pte) 88#define pte_val(x) ((x).pte)
84#endif
85#define __pte(x) ((pte_t) { (x) } ) 89#define __pte(x) ((pte_t) { (x) } )
90#endif
86 91
87/* 92/*
88 * For 3-level pagetables we defines these ourselves, for 2-level the 93 * For 3-level pagetables we defines these ourselves, for 2-level the