--- /dev/null
+#ifndef _ASM_POWERPC_TLBFLUSH_H
+#define _ASM_POWERPC_TLBFLUSH_H
+/*
+ * TLB flushing:
+ *
+ * - flush_tlb_mm(mm) flushes the specified mm context TLB's
+ * - flush_tlb_page(vma, vmaddr) flushes one page
+ * - flush_tlb_page_nohash(vma, vmaddr) flushes one page if SW loaded TLB
+ * - flush_tlb_range(vma, start, end) flushes a range of pages
+ * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
+ * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables
+ *
+ * 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.
+ */
+#ifdef __KERNEL__
+
+#include <linux/config.h>
+
+struct mm_struct;
+
+#ifdef CONFIG_PPC64
+
+#include <linux/percpu.h>
+#include <asm/page.h>
+
+#define PPC64_TLB_BATCH_NR 192
+
+struct ppc64_tlb_batch {
+ unsigned long index;
+ struct mm_struct *mm;
+ pte_t pte[PPC64_TLB_BATCH_NR];
+ unsigned long vaddr[PPC64_TLB_BATCH_NR];
+ unsigned int large;
+};
+DECLARE_PER_CPU(struct ppc64_tlb_batch, ppc64_tlb_batch);
+
+extern void __flush_tlb_pending(struct ppc64_tlb_batch *batch);
+
+static inline void flush_tlb_pending(void)
+{
+ struct ppc64_tlb_batch *batch = &get_cpu_var(ppc64_tlb_batch);
+
+ if (batch->index)
+ __flush_tlb_pending(batch);
+ put_cpu_var(ppc64_tlb_batch);
+}
+
+extern void flush_hash_page(unsigned long va, pte_t pte, int local);
+void flush_hash_range(unsigned long number, int local);
+
+#else /* CONFIG_PPC64 */
+
+#include <linux/mm.h>
+
+extern void _tlbie(unsigned long address);
+extern void _tlbia(void);
+
+/*
+ * TODO: (CONFIG_FSL_BOOKE) determine if flush_tlb_range &
+ * flush_tlb_kernel_range are best implemented as tlbia vs
+ * specific tlbie's
+ */
+
+#if (defined(CONFIG_4xx) && !defined(CONFIG_44x)) || defined(CONFIG_8xx)
+#define flush_tlb_pending() asm volatile ("tlbia; sync" : : : "memory")
+#elif defined(CONFIG_4xx) || defined(CONFIG_FSL_BOOKE)
+#define flush_tlb_pending() _tlbia()
+#endif
+
+/*
+ * This gets called at the end of handling a page fault, when
+ * the kernel has put a new PTE into the page table for the process.
+ * We use it to ensure coherency between the i-cache and d-cache
+ * for the page which has just been mapped in.
+ * On machines which use an MMU hash table, we use this to put a
+ * corresponding HPTE into the hash table ahead of time, instead of
+ * waiting for the inevitable extra hash-table miss exception.
+ */
+extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t);
+
+#endif /* CONFIG_PPC64 */
+
+#if defined(CONFIG_PPC64) || defined(CONFIG_4xx) || \
+ defined(CONFIG_FSL_BOOKE) || defined(CONFIG_8xx)
+
+static inline void flush_tlb_mm(struct mm_struct *mm)
+{
+ flush_tlb_pending();
+}
+
+static inline void flush_tlb_page(struct vm_area_struct *vma,
+ unsigned long vmaddr)
+{
+#ifdef CONFIG_PPC64
+ flush_tlb_pending();
+#else
+ _tlbie(vmaddr);
+#endif
+}
+
+static inline void flush_tlb_page_nohash(struct vm_area_struct *vma,
+ unsigned long vmaddr)
+{
+#ifndef CONFIG_PPC64
+ _tlbie(vmaddr);
+#endif
+}
+
+static inline void flush_tlb_range(struct vm_area_struct *vma,
+ unsigned long start, unsigned long end)
+{
+ flush_tlb_pending();
+}
+
+static inline void flush_tlb_kernel_range(unsigned long start,
+ unsigned long end)
+{
+ flush_tlb_pending();
+}
+
+#else /* 6xx, 7xx, 7xxx cpus */
+
+extern void flush_tlb_mm(struct mm_struct *mm);
+extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
+extern void flush_tlb_page_nohash(struct vm_area_struct *vma, unsigned long addr);
+extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
+ unsigned long end);
+extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
+
+#endif
+
+/*
+ * This is called in munmap when we have freed up some page-table
+ * pages. We don't need to do anything here, there's nothing special
+ * about our page-table pages. -- paulus
+ */
+static inline void flush_tlb_pgtables(struct mm_struct *mm,
+ unsigned long start, unsigned long end)
+{
+}
+
+#endif /*__KERNEL__ */
+#endif /* _ASM_POWERPC_TLBFLUSH_H */
+++ /dev/null
-/*
- * include/asm-ppc/tlbflush.h
- *
- * 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.
- */
-#ifdef __KERNEL__
-#ifndef _PPC_TLBFLUSH_H
-#define _PPC_TLBFLUSH_H
-
-#include <linux/config.h>
-#include <linux/mm.h>
-
-extern void _tlbie(unsigned long address);
-extern void _tlbia(void);
-
-#if defined(CONFIG_4xx)
-
-#ifndef CONFIG_44x
-#define __tlbia() asm volatile ("sync; tlbia; isync" : : : "memory")
-#else
-#define __tlbia _tlbia
-#endif
-
-static inline void flush_tlb_mm(struct mm_struct *mm)
- { __tlbia(); }
-static inline void flush_tlb_page(struct vm_area_struct *vma,
- unsigned long vmaddr)
- { _tlbie(vmaddr); }
-static inline void flush_tlb_page_nohash(struct vm_area_struct *vma,
- unsigned long vmaddr)
- { _tlbie(vmaddr); }
-static inline void flush_tlb_range(struct vm_area_struct *vma,
- unsigned long start, unsigned long end)
- { __tlbia(); }
-static inline void flush_tlb_kernel_range(unsigned long start,
- unsigned long end)
- { __tlbia(); }
-
-#elif defined(CONFIG_FSL_BOOKE)
-
-/* TODO: determine if flush_tlb_range & flush_tlb_kernel_range
- * are best implemented as tlbia vs specific tlbie's */
-
-#define __tlbia() _tlbia()
-
-static inline void flush_tlb_mm(struct mm_struct *mm)
- { __tlbia(); }
-static inline void flush_tlb_page(struct vm_area_struct *vma,
- unsigned long vmaddr)
- { _tlbie(vmaddr); }
-static inline void flush_tlb_page_nohash(struct vm_area_struct *vma,
- unsigned long vmaddr)
- { _tlbie(vmaddr); }
-static inline void flush_tlb_range(struct vm_area_struct *vma,
- unsigned long start, unsigned long end)
- { __tlbia(); }
-static inline void flush_tlb_kernel_range(unsigned long start,
- unsigned long end)
- { __tlbia(); }
-
-#elif defined(CONFIG_8xx)
-#define __tlbia() asm volatile ("tlbia; sync" : : : "memory")
-
-static inline void flush_tlb_mm(struct mm_struct *mm)
- { __tlbia(); }
-static inline void flush_tlb_page(struct vm_area_struct *vma,
- unsigned long vmaddr)
- { _tlbie(vmaddr); }
-static inline void flush_tlb_page_nohash(struct vm_area_struct *vma,
- unsigned long vmaddr)
- { _tlbie(vmaddr); }
-static inline void flush_tlb_range(struct vm_area_struct *vma,
- unsigned long start, unsigned long end)
- { __tlbia(); }
-static inline void flush_tlb_kernel_range(unsigned long start,
- unsigned long end)
- { __tlbia(); }
-
-#else /* 6xx, 7xx, 7xxx cpus */
-struct mm_struct;
-struct vm_area_struct;
-extern void flush_tlb_mm(struct mm_struct *mm);
-extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
-extern void flush_tlb_page_nohash(struct vm_area_struct *vma, unsigned long addr);
-extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end);
-extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
-#endif
-
-/*
- * This is called in munmap when we have freed up some page-table
- * pages. We don't need to do anything here, there's nothing special
- * about our page-table pages. -- paulus
- */
-static inline void flush_tlb_pgtables(struct mm_struct *mm,
- unsigned long start, unsigned long end)
-{
-}
-
-/*
- * This gets called at the end of handling a page fault, when
- * the kernel has put a new PTE into the page table for the process.
- * We use it to ensure coherency between the i-cache and d-cache
- * for the page which has just been mapped in.
- * On machines which use an MMU hash table, we use this to put a
- * corresponding HPTE into the hash table ahead of time, instead of
- * waiting for the inevitable extra hash-table miss exception.
- */
-extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t);
-
-#endif /* _PPC_TLBFLUSH_H */
-#endif /*__KERNEL__ */
+++ /dev/null
-#ifndef _PPC64_TLBFLUSH_H
-#define _PPC64_TLBFLUSH_H
-
-/*
- * TLB flushing:
- *
- * - flush_tlb_mm(mm) flushes the specified mm context TLB's
- * - flush_tlb_page(vma, vmaddr) flushes one page
- * - flush_tlb_page_nohash(vma, vmaddr) flushes one page if SW loaded TLB
- * - flush_tlb_range(vma, start, end) flushes a range of pages
- * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
- * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables
- */
-
-#include <linux/percpu.h>
-#include <asm/page.h>
-
-#define PPC64_TLB_BATCH_NR 192
-
-struct mm_struct;
-struct ppc64_tlb_batch {
- unsigned long index;
- struct mm_struct *mm;
- pte_t pte[PPC64_TLB_BATCH_NR];
- unsigned long vaddr[PPC64_TLB_BATCH_NR];
- unsigned int large;
-};
-DECLARE_PER_CPU(struct ppc64_tlb_batch, ppc64_tlb_batch);
-
-extern void __flush_tlb_pending(struct ppc64_tlb_batch *batch);
-
-static inline void flush_tlb_pending(void)
-{
- struct ppc64_tlb_batch *batch = &get_cpu_var(ppc64_tlb_batch);
-
- if (batch->index)
- __flush_tlb_pending(batch);
- put_cpu_var(ppc64_tlb_batch);
-}
-
-#define flush_tlb_mm(mm) flush_tlb_pending()
-#define flush_tlb_page(vma, addr) flush_tlb_pending()
-#define flush_tlb_page_nohash(vma, addr) do { } while (0)
-#define flush_tlb_range(vma, start, end) \
- do { (void)(start); flush_tlb_pending(); } while (0)
-#define flush_tlb_kernel_range(start, end) flush_tlb_pending()
-#define flush_tlb_pgtables(mm, start, end) do { } while (0)
-
-extern void flush_hash_page(unsigned long va, pte_t pte, int local);
-void flush_hash_range(unsigned long number, int local);
-
-#endif /* _PPC64_TLBFLUSH_H */
git.samba.org / sfrench / cifs-2.6.git / commitdiff