1 files changed, 0 insertions, 186 deletions
diff --git a/include/asm-parisc/cacheflush.h b/include/asm-parisc/cacheflush.h
deleted file mode 100644
index 1bc3c83ee74..00000000000
--- a/include/asm-parisc/cacheflush.h
+++ /dev/null
@@ -1,186 +0,0 @@
-#ifndef _PARISC_CACHEFLUSH_H
-#define _PARISC_CACHEFLUSH_H
-
-#include <linux/config.h>
-#include <linux/mm.h>
-#include <asm/cache.h>	/* for flush_user_dcache_range_asm() proto */
-
-/* The usual comment is "Caches aren't brain-dead on the <architecture>".
- * Unfortunately, that doesn't apply to PA-RISC. */
-
-/* Cache flush operations */
-
-#ifdef CONFIG_SMP
-#define flush_cache_mm(mm) flush_cache_all()
-#else
-#define flush_cache_mm(mm) flush_cache_all_local()
-#endif
-
-#define flush_kernel_dcache_range(start,size) \
-	flush_kernel_dcache_range_asm((start), (start)+(size));
-
-extern void flush_cache_all_local(void);
-
-static inline void cacheflush_h_tmp_function(void *dummy)
-{
-	flush_cache_all_local();
-}
-
-static inline void flush_cache_all(void)
-{
-	on_each_cpu(cacheflush_h_tmp_function, NULL, 1, 1);
-}
-
-#define flush_cache_vmap(start, end)		flush_cache_all()
-#define flush_cache_vunmap(start, end)		flush_cache_all()
-
-extern int parisc_cache_flush_threshold;
-void parisc_setup_cache_timing(void);
-
-static inline void
-flush_user_dcache_range(unsigned long start, unsigned long end)
-{
-	if ((end - start) < parisc_cache_flush_threshold)
-		flush_user_dcache_range_asm(start,end);
-	else
-		flush_data_cache();
-}
-
-static inline void
-flush_user_icache_range(unsigned long start, unsigned long end)
-{
-	if ((end - start) < parisc_cache_flush_threshold)
-		flush_user_icache_range_asm(start,end);
-	else
-		flush_instruction_cache();
-}
-
-extern void flush_dcache_page(struct page *page);
-
-#define flush_dcache_mmap_lock(mapping) \
-	write_lock_irq(&(mapping)->tree_lock)
-#define flush_dcache_mmap_unlock(mapping) \
-	write_unlock_irq(&(mapping)->tree_lock)
-
-#define flush_icache_page(vma,page)	do { flush_kernel_dcache_page(page_address(page)); flush_kernel_icache_page(page_address(page)); } while (0)
-
-#define flush_icache_range(s,e)		do { flush_kernel_dcache_range_asm(s,e); flush_kernel_icache_range_asm(s,e); } while (0)
-
-#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
-do { \
-	flush_cache_page(vma, vaddr, page_to_pfn(page)); \
-	memcpy(dst, src, len); \
-	flush_kernel_dcache_range_asm((unsigned long)dst, (unsigned long)dst + len); \
-} while (0)
-
-#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
-do { \
-	flush_cache_page(vma, vaddr, page_to_pfn(page)); \
-	memcpy(dst, src, len); \
-} while (0)
-
-static inline void flush_cache_range(struct vm_area_struct *vma,
-		unsigned long start, unsigned long end)
-{
-	int sr3;
-
-	if (!vma->vm_mm->context) {
-		BUG();
-		return;
-	}
-
-	sr3 = mfsp(3);
-	if (vma->vm_mm->context == sr3) {
-		flush_user_dcache_range(start,end);
-		flush_user_icache_range(start,end);
-	} else {
-		flush_cache_all();
-	}
-}
-
-/* Simple function to work out if we have an existing address translation
- * for a user space vma. */
-static inline int translation_exists(struct vm_area_struct *vma,
-				unsigned long addr, unsigned long pfn)
-{
-	pgd_t *pgd = pgd_offset(vma->vm_mm, addr);
-	pmd_t *pmd;
-	pte_t pte;
-
-	if(pgd_none(*pgd))
-		return 0;
-
-	pmd = pmd_offset(pgd, addr);
-	if(pmd_none(*pmd) || pmd_bad(*pmd))
-		return 0;
-
-	/* We cannot take the pte lock here: flush_cache_page is usually
-	 * called with pte lock already held.  Whereas flush_dcache_page
-	 * takes flush_dcache_mmap_lock, which is lower in the hierarchy:
-	 * the vma itself is secure, but the pte might come or go racily.
-	 */
-	pte = *pte_offset_map(pmd, addr);
-	/* But pte_unmap() does nothing on this architecture */
-
-	/* Filter out coincidental file entries and swap entries */
-	if (!(pte_val(pte) & (_PAGE_FLUSH|_PAGE_PRESENT)))
-		return 0;
-
-	return pte_pfn(pte) == pfn;
-}
-
-/* Private function to flush a page from the cache of a non-current
- * process.  cr25 contains the Page Directory of the current user
- * process; we're going to hijack both it and the user space %sr3 to
- * temporarily make the non-current process current.  We have to do
- * this because cache flushing may cause a non-access tlb miss which
- * the handlers have to fill in from the pgd of the non-current
- * process. */
-static inline void
-flush_user_cache_page_non_current(struct vm_area_struct *vma,
-				  unsigned long vmaddr)
-{
-	/* save the current process space and pgd */
-	unsigned long space = mfsp(3), pgd = mfctl(25);
-
-	/* we don't mind taking interrups since they may not
-	 * do anything with user space, but we can't
-	 * be preempted here */
-	preempt_disable();
-
-	/* make us current */
-	mtctl(__pa(vma->vm_mm->pgd), 25);
-	mtsp(vma->vm_mm->context, 3);
-
-	flush_user_dcache_page(vmaddr);
-	if(vma->vm_flags & VM_EXEC)
-		flush_user_icache_page(vmaddr);
-
-	/* put the old current process back */
-	mtsp(space, 3);
-	mtctl(pgd, 25);
-	preempt_enable();
-}
-
-static inline void
-__flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr)
-{
-	if (likely(vma->vm_mm->context == mfsp(3))) {
-		flush_user_dcache_page(vmaddr);
-		if (vma->vm_flags & VM_EXEC)
-			flush_user_icache_page(vmaddr);
-	} else {
-		flush_user_cache_page_non_current(vma, vmaddr);
-	}
-}
-
-static inline void
-flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long pfn)
-{
-	BUG_ON(!vma->vm_mm->context);
-
-	if (likely(translation_exists(vma, vmaddr, pfn)))
-		__flush_cache_page(vma, vmaddr);
-
-}
-#endif