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author | Ingo Molnar <mingo@elte.hu> | 2008-07-08 12:24:29 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 12:24:29 +0200 |
commit | 6236af82d8a989e150a02800c210eb61cb1e17be (patch) | |
tree | d5e83e66b09fc405ac70925f9b83152abaf48a03 /include/asm-x86/fixmap_32.h | |
parent | Merge branch 'x86/uv' into x86/devel (diff) | |
parent | Merge branch 'linus' into x86/fixmap (diff) | |
download | linux-6236af82d8a989e150a02800c210eb61cb1e17be.tar.xz linux-6236af82d8a989e150a02800c210eb61cb1e17be.zip |
Merge branch 'x86/fixmap' into x86/devel
Conflicts:
arch/x86/mm/init_64.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/fixmap_32.h')
-rw-r--r-- | include/asm-x86/fixmap_32.h | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/include/asm-x86/fixmap_32.h b/include/asm-x86/fixmap_32.h index f0df7ee96816..aae2f0501a40 100644 --- a/include/asm-x86/fixmap_32.h +++ b/include/asm-x86/fixmap_32.h @@ -109,17 +109,8 @@ enum fixed_addresses { __end_of_fixed_addresses }; -extern void __set_fixmap(enum fixed_addresses idx, - unsigned long phys, pgprot_t flags); extern void reserve_top_address(unsigned long reserve); -#define set_fixmap(idx, phys) \ - __set_fixmap(idx, phys, PAGE_KERNEL) -/* - * Some hardware wants to get fixmapped without caching. - */ -#define set_fixmap_nocache(idx, phys) \ - __set_fixmap(idx, phys, PAGE_KERNEL_NOCACHE) #define FIXADDR_TOP ((unsigned long)__FIXADDR_TOP) @@ -128,38 +119,5 @@ extern void reserve_top_address(unsigned long reserve); #define FIXADDR_START (FIXADDR_TOP - __FIXADDR_SIZE) #define FIXADDR_BOOT_START (FIXADDR_TOP - __FIXADDR_BOOT_SIZE) -#define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT)) -#define __virt_to_fix(x) ((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT) - -extern void __this_fixmap_does_not_exist(void); - -/* - * 'index to address' translation. If anyone tries to use the idx - * directly without tranlation, we catch the bug with a NULL-deference - * kernel oops. Illegal ranges of incoming indices are caught too. - */ -static __always_inline unsigned long fix_to_virt(const unsigned int idx) -{ - /* - * this branch gets completely eliminated after inlining, - * except when someone tries to use fixaddr indices in an - * illegal way. (such as mixing up address types or using - * out-of-range indices). - * - * If it doesn't get removed, the linker will complain - * loudly with a reasonably clear error message.. - */ - if (idx >= __end_of_fixed_addresses) - __this_fixmap_does_not_exist(); - - return __fix_to_virt(idx); -} - -static inline unsigned long virt_to_fix(const unsigned long vaddr) -{ - BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START); - return __virt_to_fix(vaddr); -} - #endif /* !__ASSEMBLY__ */ #endif |