summaryrefslogtreecommitdiff
path: root/arch/x86
diff options
context:
space:
mode:
authorMark Salter <msalter@redhat.com>2014-01-23 15:53:50 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-01-23 16:36:54 -0800
commit114cefc87ec445207f6968f584ea5edcb474f541 (patch)
tree975681568fe943a36b9e1afb9d54b161b2efa4e1 /arch/x86
parentd57c33c5daa4efa9e4d303bd0faf868080b532be (diff)
x86: use generic fixmap.h
Signed-off-by: Mark Salter <msalter@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/include/asm/fixmap.h59
1 files changed, 1 insertions, 58 deletions
diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h
index e846225265ed..7252cd339175 100644
--- a/arch/x86/include/asm/fixmap.h
+++ b/arch/x86/include/asm/fixmap.h
@@ -175,64 +175,7 @@ static inline void __set_fixmap(enum fixed_addresses idx,
}
#endif
-#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 clear_fixmap(idx) \
- __set_fixmap(idx, 0, __pgprot(0))
-
-#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 translation, 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);
-}
-
-/* Return an pointer with offset calculated */
-static __always_inline unsigned long
-__set_fixmap_offset(enum fixed_addresses idx, phys_addr_t phys, pgprot_t flags)
-{
- __set_fixmap(idx, phys, flags);
- return fix_to_virt(idx) + (phys & (PAGE_SIZE - 1));
-}
-
-#define set_fixmap_offset(idx, phys) \
- __set_fixmap_offset(idx, phys, PAGE_KERNEL)
-
-#define set_fixmap_offset_nocache(idx, phys) \
- __set_fixmap_offset(idx, phys, PAGE_KERNEL_NOCACHE)
+#include <asm-generic/fixmap.h>
#endif /* !__ASSEMBLY__ */
#endif /* _ASM_X86_FIXMAP_H */