diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-07 11:56:29 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-07 11:56:29 -0800 |
commit | 52fefcec97c25b15887e6a9a885ca54e7f7c0928 (patch) | |
tree | 4898112a7fb30c20a9da3aefe9fdc7fdebda57a6 /arch/xtensa/include/asm/tlb.h | |
parent | a0e280e0f33f6c859a235fb69a875ed8f3420388 (diff) | |
parent | 5fee325e7d2bcbebf1cb38b4ff3a7aa3744c43e3 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6:
xtensa: Update platform files to reflect new location of the header files.
xtensa: switch to packed struct unaligned access implementation
xtensa: Add xt2000 support files.
xtensa: move headers files to arch/xtensa/include
xtensa: use the new byteorder headers
Diffstat (limited to 'arch/xtensa/include/asm/tlb.h')
-rw-r--r-- | arch/xtensa/include/asm/tlb.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/xtensa/include/asm/tlb.h b/arch/xtensa/include/asm/tlb.h new file mode 100644 index 00000000000..31c220faca0 --- /dev/null +++ b/arch/xtensa/include/asm/tlb.h @@ -0,0 +1,47 @@ +/* + * include/asm-xtensa/tlb.h + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2001 - 2005 Tensilica Inc. + */ + +#ifndef _XTENSA_TLB_H +#define _XTENSA_TLB_H + +#include <asm/cache.h> +#include <asm/page.h> + +#if (DCACHE_WAY_SIZE <= PAGE_SIZE) + +/* Note, read http://lkml.org/lkml/2004/1/15/6 */ + +# define tlb_start_vma(tlb,vma) do { } while (0) +# define tlb_end_vma(tlb,vma) do { } while (0) + +#else + +# define tlb_start_vma(tlb, vma) \ + do { \ + if (!tlb->fullmm) \ + flush_cache_range(vma, vma->vm_start, vma->vm_end); \ + } while(0) + +# define tlb_end_vma(tlb, vma) \ + do { \ + if (!tlb->fullmm) \ + flush_tlb_range(vma, vma->vm_start, vma->vm_end); \ + } while(0) + +#endif + +#define __tlb_remove_tlb_entry(tlb,pte,addr) do { } while (0) +#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm) + +#include <asm-generic/tlb.h> + +#define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, pte) + +#endif /* _XTENSA_TLB_H */ |