+ x86-use-generic-fixmaph.patch added to -mm tree

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Subject: + x86-use-generic-fixmaph.patch added to -mm tree
To: msalter@xxxxxxxxxx,hpa@xxxxxxxxx,mingo@xxxxxxxxxx,tglx@xxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Mon, 16 Dec 2013 11:55:54 -0800


The patch titled
     Subject: x86: use generic fixmap.h
has been added to the -mm tree.  Its filename is
     x86-use-generic-fixmaph.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/x86-use-generic-fixmaph.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/x86-use-generic-fixmaph.patch

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------------------------------------------------------
From: Mark Salter <msalter@xxxxxxxxxx>
Subject: x86: use generic fixmap.h

Signed-off-by: Mark Salter <msalter@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 arch/x86/include/asm/fixmap.h |   59 --------------------------------
 1 file changed, 1 insertion(+), 58 deletions(-)

diff -puN arch/x86/include/asm/fixmap.h~x86-use-generic-fixmaph arch/x86/include/asm/fixmap.h
--- a/arch/x86/include/asm/fixmap.h~x86-use-generic-fixmaph
+++ a/arch/x86/include/asm/fixmap.h
@@ -175,64 +175,7 @@ static inline void __set_fixmap(enum fix
 }
 #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 */
_

Patches currently in -mm which might be from msalter@xxxxxxxxxx are

add-generic-fixmaph.patch
x86-use-generic-fixmaph.patch
arm-use-generic-fixmaph.patch
hexagon-use-generic-fixmaph.patch
metag-use-generic-fixmaph.patch
microblaze-use-generic-fixmaph.patch
mips-use-generic-fixmaph.patch
powerpc-use-generic-fixmaph.patch
sh-use-generic-fixmaph.patch
tile-use-generic-fixmaph.patch
um-use-generic-fixmaph.patch
linux-next.patch

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