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authorStephen Rothwell <sfr@canb.auug.org.au>2005-11-04 10:20:27 +1100
committerStephen Rothwell <sfr@canb.auug.org.au>2005-11-04 10:20:27 +1100
commit9a0f78f63bc05d195aab781486ed57d1418d5f59 (patch)
tree3d1c3bbd9ec43290ed0b458d4e3bf07833caf93c
parentd3ab57ebdc6457543b346255fa47b0ecd7671136 (diff)
powerpc: merge tlb.h
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
-rw-r--r--include/asm-powerpc/tlb.h (renamed from include/asm-ppc/tlb.h)59
-rw-r--r--include/asm-ppc64/tlb.h39
2 files changed, 36 insertions, 62 deletions
diff --git a/include/asm-ppc/tlb.h b/include/asm-powerpc/tlb.h
index 2c142c5d858..56659f12177 100644
--- 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
@@ -8,29 +9,53 @@
* 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>
+#ifndef __powerpc64__
#include <asm/pgtable.h>
+#endif
#include <asm/pgalloc.h>
#include <asm/tlbflush.h>
+#ifndef __powerpc64__
#include <asm/page.h>
#include <asm/mmu.h>
-
-#ifdef CONFIG_PPC_STD_MMU
-/* Classic PPC with hash-table based MMU... */
+#endif
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);
+#endif
+
/* 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);
@@ -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);
}
-#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
index 97cb696ce68..00000000000
--- 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 */