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Subject[RFC][PATCH 15/15] mm, xtensa: Convert xtensa to generic tlb
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
arch/xtensa/Kconfig | 1 +
arch/xtensa/include/asm/tlb.h | 23 -----------------------
2 files changed, 1 insertion(+), 23 deletions(-)

Index: linux-2.6/arch/xtensa/Kconfig
===================================================================
--- linux-2.6.orig/arch/xtensa/Kconfig
+++ linux-2.6/arch/xtensa/Kconfig
@@ -7,6 +7,7 @@ config ZONE_DMA
config XTENSA
def_bool y
select HAVE_IDE
+ select HAVE_MMU_GATHER_RANGE
help
Xtensa processors are 32-bit RISC machines designed by Tensilica
primarily for embedded systems. These processors are both
Index: linux-2.6/arch/xtensa/include/asm/tlb.h
===================================================================
--- linux-2.6.orig/arch/xtensa/include/asm/tlb.h
+++ linux-2.6/arch/xtensa/include/asm/tlb.h
@@ -14,29 +14,6 @@
#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)

#include <asm-generic/tlb.h>



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