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-rw-r--r--arch/alpha/include/asm/cacheflush.h77
1 files changed, 0 insertions, 77 deletions
diff --git a/arch/alpha/include/asm/cacheflush.h b/arch/alpha/include/asm/cacheflush.h
deleted file mode 100644
index a9cb6aa..0000000
--- a/arch/alpha/include/asm/cacheflush.h
+++ /dev/null
@@ -1,77 +0,0 @@
-#ifndef _ALPHA_CACHEFLUSH_H
-#define _ALPHA_CACHEFLUSH_H
-
-#include <linux/mm.h>
-
-/* Caches aren't brain-dead on the Alpha. */
-#define flush_cache_all() do { } while (0)
-#define flush_cache_mm(mm) do { } while (0)
-#define flush_cache_dup_mm(mm) do { } while (0)
-#define flush_cache_range(vma, start, end) do { } while (0)
-#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
-#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
-#define flush_dcache_page(page) do { } while (0)
-#define flush_dcache_mmap_lock(mapping) do { } while (0)
-#define flush_dcache_mmap_unlock(mapping) do { } while (0)
-#define flush_cache_vmap(start, end) do { } while (0)
-#define flush_cache_vunmap(start, end) do { } while (0)
-
-/* Note that the following two definitions are _highly_ dependent
- on the contexts in which they are used in the kernel. I personally
- think it is criminal how loosely defined these macros are. */
-
-/* We need to flush the kernel's icache after loading modules. The
- only other use of this macro is in load_aout_interp which is not
- used on Alpha.
-
- Note that this definition should *not* be used for userspace
- icache flushing. While functional, it is _way_ overkill. The
- icache is tagged with ASNs and it suffices to allocate a new ASN
- for the process. */
-#ifndef CONFIG_SMP
-#define flush_icache_range(start, end) imb()
-#else
-#define flush_icache_range(start, end) smp_imb()
-extern void smp_imb(void);
-#endif
-
-/* We need to flush the userspace icache after setting breakpoints in
- ptrace.
-
- Instead of indiscriminately using imb, take advantage of the fact
- that icache entries are tagged with the ASN and load a new mm context. */
-/* ??? Ought to use this in arch/alpha/kernel/signal.c too. */
-
-#ifndef CONFIG_SMP
-#include <linux/sched.h>
-
-extern void __load_new_mm_context(struct mm_struct *);
-static inline void
-flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
- unsigned long addr, int len)
-{
- if (vma->vm_flags & VM_EXEC) {
- struct mm_struct *mm = vma->vm_mm;
- if (current->active_mm == mm)
- __load_new_mm_context(mm);
- else
- mm->context[smp_processor_id()] = 0;
- }
-}
-#else
-extern void flush_icache_user_range(struct vm_area_struct *vma,
- struct page *page, unsigned long addr, int len);
-#endif
-
-/* This is used only in __do_fault and do_swap_page. */
-#define flush_icache_page(vma, page) \
- flush_icache_user_range((vma), (page), 0, 0)
-
-#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
-do { memcpy(dst, src, len); \
- flush_icache_user_range(vma, page, vaddr, len); \
-} while (0)
-#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
- memcpy(dst, src, len)
-
-#endif /* _ALPHA_CACHEFLUSH_H */