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

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Subject: + tile-use-generic-fixmaph.patch added to -mm tree
To: msalter@xxxxxxxxxx,cmetcalf@xxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Mon, 16 Dec 2013 11:55:55 -0800


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

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

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

Signed-off-by: Mark Salter <msalter@xxxxxxxxxx>
Acked-by: Chris Metcalf <cmetcalf@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 arch/tile/include/asm/fixmap.h |   33 -------------------------------
 1 file changed, 1 insertion(+), 32 deletions(-)

diff -puN arch/tile/include/asm/fixmap.h~tile-use-generic-fixmaph arch/tile/include/asm/fixmap.h
--- a/arch/tile/include/asm/fixmap.h~tile-use-generic-fixmaph
+++ a/arch/tile/include/asm/fixmap.h
@@ -25,9 +25,6 @@
 #include <asm/kmap_types.h>
 #endif
 
-#define __fix_to_virt(x)	(FIXADDR_TOP - ((x) << PAGE_SHIFT))
-#define __virt_to_fix(x)	((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT)
-
 /*
  * Here we define all the compile-time 'special' virtual
  * addresses. The point is to have a constant address at
@@ -83,35 +80,7 @@ enum fixed_addresses {
 #define FIXADDR_START		(FIXADDR_TOP + PAGE_SIZE - __FIXADDR_SIZE)
 #define FIXADDR_BOOT_START	(FIXADDR_TOP + PAGE_SIZE - __FIXADDR_BOOT_SIZE)
 
-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);
-}
+#include <asm-generic/fixmap.h>
 
 #endif /* !__ASSEMBLY__ */
 
_

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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