Subject: + hexagon-use-generic-fixmaph.patch added to -mm tree
To: msalter@xxxxxxxxxx,rkuo@xxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Mon, 16 Dec 2013 11:55:55 -0800
The patch titled
Subject: hexagon: use generic fixmap.h
has been added to the -mm tree. Its filename is
hexagon-use-generic-fixmaph.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/hexagon-use-generic-fixmaph.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/hexagon-use-generic-fixmaph.patch
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------------------------------------------------------
From: Mark Salter <msalter@xxxxxxxxxx>
Subject: hexagon: use generic fixmap.h
Signed-off-by: Mark Salter <msalter@xxxxxxxxxx>
Acked-by: Richard Kuo <rkuo@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/hexagon/include/asm/fixmap.h | 40 ----------------------------
1 file changed, 1 insertion(+), 39 deletions(-)
diff -puN arch/hexagon/include/asm/fixmap.h~hexagon-use-generic-fixmaph arch/hexagon/include/asm/fixmap.h
--- a/arch/hexagon/include/asm/fixmap.h~hexagon-use-generic-fixmaph
+++ a/arch/hexagon/include/asm/fixmap.h
@@ -26,45 +26,7 @@
*/
#include <asm/mem-layout.h>
-/*
- * Full fixmap support involves set_fixmap() functions, but
- * these may not be needed if all we're after is an area for
- * highmem kernel mappings.
- */
-#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);
-
-/**
- * fix_to_virt -- "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 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>
#define kmap_get_fixmap_pte(vaddr) \
pte_offset_kernel(pmd_offset(pud_offset(pgd_offset_k(vaddr), \
_
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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