powerpc: merge tlb.h

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>

diff --git a/include/asm-ppc/tlb.h b/include/asm-powerpc/tlb.h
similarity index 68%
rename from include/asm-ppc/tlb.h
rename to include/asm-powerpc/tlb.h
index 2c142c5d85847d15010a1ab8727ae0267c8cdb92..56659f12177981a7b71392e61039fb07a10bc0fc 100644 (file)
--- a/include/asm-ppc/tlb.h
+++ b/include/asm-powerpc/tlb.h
@@ -1,6 +1,7 @@
 /*
 /*

- *     TLB shootdown specifics for PPC
+ *     TLB shootdown specifics for powerpc

  *
  *

+ * Copyright (C) 2002 Anton Blanchard, IBM Corp.

  * Copyright (C) 2002 Paul Mackerras, IBM Corp.
  *
  * This program is free software; you can redistribute it and/or
  * Copyright (C) 2002 Paul Mackerras, IBM Corp.
  *
  * This program is free software; you can redistribute it and/or


@@ -8,29 +9,53 @@
  * as published by the Free Software Foundation; either version
  * 2 of the License, or (at your option) any later version.
  */
  * as published by the Free Software Foundation; either version
  * 2 of the License, or (at your option) any later version.
  */

-#ifndef _PPC_TLB_H
-#define _PPC_TLB_H
+#ifndef _ASM_POWERPC_TLB_H
+#define _ASM_POWERPC_TLB_H

 
 #include <linux/config.h>
 
 #include <linux/config.h>

+#ifndef __powerpc64__

 #include <asm/pgtable.h>
 #include <asm/pgtable.h>

+#endif

 #include <asm/pgalloc.h>
 #include <asm/tlbflush.h>
 #include <asm/pgalloc.h>
 #include <asm/tlbflush.h>

+#ifndef __powerpc64__

 #include <asm/page.h>
 #include <asm/mmu.h>
 #include <asm/page.h>
 #include <asm/mmu.h>

-
-#ifdef CONFIG_PPC_STD_MMU
-/* Classic PPC with hash-table based MMU... */
+#endif

 
 struct mmu_gather;
 
 struct mmu_gather;

+
+#define tlb_start_vma(tlb, vma)        do { } while (0)
+#define tlb_end_vma(tlb, vma)  do { } while (0)
+
+#if !defined(CONFIG_PPC_STD_MMU)
+
+#define tlb_flush(tlb)                 flush_tlb_mm((tlb)->mm)
+
+#elif defined(__powerpc64__)
+
+extern void pte_free_finish(void);
+
+static inline void tlb_flush(struct mmu_gather *tlb)
+{
+       flush_tlb_pending();
+       pte_free_finish();
+}
+
+#else
+

 extern void tlb_flush(struct mmu_gather *tlb);
 
 extern void tlb_flush(struct mmu_gather *tlb);
 

+#endif
+

 /* Get the generic bits... */
 #include <asm-generic/tlb.h>
 
 /* Get the generic bits... */
 #include <asm-generic/tlb.h>
 

-/* Nothing needed here in fact... */
-#define tlb_start_vma(tlb, vma)        do { } while (0)
-#define tlb_end_vma(tlb, vma)  do { } while (0)
+#if !defined(CONFIG_PPC_STD_MMU) || defined(__powerpc64__)
+
+#define __tlb_remove_tlb_entry(tlb, pte, address) do { } while (0)

 
 

+#else

 extern void flush_hash_entry(struct mm_struct *mm, pte_t *ptep,
                             unsigned long address);
 
 extern void flush_hash_entry(struct mm_struct *mm, pte_t *ptep,
                             unsigned long address);
 


@@ -41,17 +66,5 @@ static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep,
                flush_hash_entry(tlb->mm, ptep, address);
 }
 
                flush_hash_entry(tlb->mm, ptep, address);
 }
 

-#else
-/* Embedded PPC with software-loaded TLB, very simple... */
-
-#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, address) do { } while (0)
-#define tlb_flush(tlb)                 flush_tlb_mm((tlb)->mm)
-
-/* Get the generic bits... */
-#include <asm-generic/tlb.h>
-
-#endif /* CONFIG_PPC_STD_MMU */
-
-#endif /* __PPC_TLB_H */
+#endif
+#endif /* __ASM_POWERPC_TLB_H */

diff --git a/include/asm-ppc64/tlb.h b/include/asm-ppc64/tlb.h
deleted file mode 100644 (file)
index 97cb696..0000000
--- a/include/asm-ppc64/tlb.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- *     TLB shootdown specifics for PPC64
- *
- * Copyright (C) 2002 Anton Blanchard, IBM Corp.
- * Copyright (C) 2002 Paul Mackerras, IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-#ifndef _PPC64_TLB_H
-#define _PPC64_TLB_H
-
-#include <asm/tlbflush.h>
-
-struct mmu_gather;
-
-extern void pte_free_finish(void);
-
-static inline void tlb_flush(struct mmu_gather *tlb)
-{
-       flush_tlb_pending();
-       pte_free_finish();
-}
-
-/* Avoid pulling in another include just for this */
-#define check_pgt_cache()      do { } while (0)
-
-/* Get the generic bits... */
-#include <asm-generic/tlb.h>
-
-/* Nothing needed here in fact... */
-#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, address) do { } while (0)
-
-#endif /* _PPC64_TLB_H */