diff options
author | H. Peter Anvin <hpa@linux.intel.com> | 2014-02-07 11:27:30 -0800 |
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committer | H. Peter Anvin <hpa@linux.intel.com> | 2014-02-07 11:27:30 -0800 |
commit | a3b072cd180c12e8fe0ece9487b9065808327640 (patch) | |
tree | 62b982041be84748852d77cdf6ca5639ef40858f /arch/hexagon/include/asm/fixmap.h | |
parent | 75a1ba5b2c529db60ca49626bcaf0bddf4548438 (diff) | |
parent | 081cd62a010f97b5bc1d2b0cd123c5abc692b68a (diff) |
Merge tag 'efi-urgent' into x86/urgent
* Avoid WARN_ON() when mapping BGRT on Baytrail (EFI 32-bit).
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/hexagon/include/asm/fixmap.h')
-rw-r--r-- | arch/hexagon/include/asm/fixmap.h | 40 |
1 files changed, 1 insertions, 39 deletions
diff --git a/arch/hexagon/include/asm/fixmap.h b/arch/hexagon/include/asm/fixmap.h index b75b6bf4269c..1387f84b42b6 100644 --- a/arch/hexagon/include/asm/fixmap.h +++ b/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), \ |