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| author | Paul Mackerras <paulus@samba.org> | 2007-09-20 02:09:27 +0200 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-09-20 02:09:27 +0200 |
| commit | 0ce49a3945474fc942ec37c0c0efece60f592f80 (patch) | |
| tree | f42b821b2d9e2d8775bc22f56d444c2cc7b7b7dd /include/asm-xtensa/tlb.h | |
| parent | [POWERPC] FWNMI is only used on pSeries (diff) | |
| parent | Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus (diff) | |
| download | linux-0ce49a3945474fc942ec37c0c0efece60f592f80.tar.xz linux-0ce49a3945474fc942ec37c0c0efece60f592f80.zip | |
Merge branch 'linux-2.6'
Diffstat (limited to 'include/asm-xtensa/tlb.h')
| -rw-r--r-- | include/asm-xtensa/tlb.h | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/include/asm-xtensa/tlb.h b/include/asm-xtensa/tlb.h index 4562b2dcfbc0..4830232017af 100644 --- a/include/asm-xtensa/tlb.h +++ b/include/asm-xtensa/tlb.h @@ -11,14 +11,36 @@ #ifndef _XTENSA_TLB_H #define _XTENSA_TLB_H -#define tlb_start_vma(tlb,vma) do { } while (0) -#define tlb_end_vma(tlb,vma) do { } while (0) -#define __tlb_remove_tlb_entry(tlb,pte,addr) do { } while (0) +#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> -#include <asm/page.h> #define __pte_free_tlb(tlb,pte) pte_free(pte) |