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authorRalf Baechle <ralf@linux-mips.org>2006-08-31 20:39:09 +0200
committerRalf Baechle <ralf@linux-mips.org>2006-09-27 14:37:39 +0200
commitd34555fb20e7abf33f86d7aa3ec0826343f38256 (patch)
tree975a282d62f8e23648cfd23f5fa8ac7f8893b5d1 /include/asm-mips
parent[MIPS] Replace generic__raw_read_trylock usage (diff)
downloadlinux-d34555fb20e7abf33f86d7aa3ec0826343f38256.tar.xz
linux-d34555fb20e7abf33f86d7aa3ec0826343f38256.zip
[MIPS] Do not lose upper 32-bit on MIPS32 with 64-bit addresses in __pte().
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/asm-mips')
-rw-r--r--include/asm-mips/page.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/asm-mips/page.h b/include/asm-mips/page.h
index c3b872b047d7..85b258ee7090 100644
--- a/include/asm-mips/page.h
+++ b/include/asm-mips/page.h
@@ -77,15 +77,17 @@ static inline void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
#ifdef CONFIG_CPU_MIPS32
typedef struct { unsigned long pte_low, pte_high; } pte_t;
#define pte_val(x) ((x).pte_low | ((unsigned long long)(x).pte_high << 32))
+ #define __pte(x) ({ pte_t __pte = {(x), ((unsigned long long)(x)) >> 32}; __pte; })
#else
typedef struct { unsigned long long pte; } pte_t;
#define pte_val(x) ((x).pte)
+ #define __pte(x) ((pte_t) { (x) } )
#endif
#else
typedef struct { unsigned long pte; } pte_t;
#define pte_val(x) ((x).pte)
-#endif
#define __pte(x) ((pte_t) { (x) } )
+#endif
/*
* For 3-level pagetables we defines these ourselves, for 2-level the