1 files changed, 0 insertions, 164 deletions
diff --git a/arch/um/kernel/skas/tlb.c b/arch/um/kernel/skas/tlb.c
deleted file mode 100644
index c0f0693..0000000
--- a/arch/um/kernel/skas/tlb.c
+++ /dev/null
@@ -1,164 +0,0 @@
-/* 
- * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
- * Copyright 2003 PathScale, Inc.
- * Licensed under the GPL
- */
-
-#include "linux/stddef.h"
-#include "linux/sched.h"
-#include "linux/mm.h"
-#include "asm/page.h"
-#include "asm/pgtable.h"
-#include "asm/mmu.h"
-#include "mem_user.h"
-#include "mem.h"
-#include "skas.h"
-#include "os.h"
-#include "tlb.h"
-
-static int do_ops(union mm_context *mmu, struct host_vm_op *ops, int last,
-		  int finished, void **flush)
-{
-	struct host_vm_op *op;
-        int i, ret = 0;
-
-        for(i = 0; i <= last && !ret; i++){
-		op = &ops[i];
-		switch(op->type){
-		case MMAP:
-			ret = map(&mmu->skas.id, op->u.mmap.addr,
-				  op->u.mmap.len, op->u.mmap.prot,
-				  op->u.mmap.fd, op->u.mmap.offset, finished,
-				  flush);
-			break;
-		case MUNMAP:
-			ret = unmap(&mmu->skas.id, op->u.munmap.addr,
-				    op->u.munmap.len, finished, flush);
-			break;
-		case MPROTECT:
-			ret = protect(&mmu->skas.id, op->u.mprotect.addr,
-				      op->u.mprotect.len, op->u.mprotect.prot,
-				      finished, flush);
-			break;
-		default:
-			printk("Unknown op type %d in do_ops\n", op->type);
-			break;
-		}
-	}
-
-	return ret;
-}
-
-extern int proc_mm;
-
-static void fix_range(struct mm_struct *mm, unsigned long start_addr,
-		      unsigned long end_addr, int force)
-{
-        if(!proc_mm && (end_addr > CONFIG_STUB_START))
-                end_addr = CONFIG_STUB_START;
-
-        fix_range_common(mm, start_addr, end_addr, force, do_ops);
-}
-
-void __flush_tlb_one_skas(unsigned long addr)
-{
-        flush_tlb_kernel_range_common(addr, addr + PAGE_SIZE);
-}
-
-void flush_tlb_range_skas(struct vm_area_struct *vma, unsigned long start, 
-		     unsigned long end)
-{
-        if(vma->vm_mm == NULL)
-                flush_tlb_kernel_range_common(start, end);
-        else fix_range(vma->vm_mm, start, end, 0);
-}
-
-void flush_tlb_mm_skas(struct mm_struct *mm)
-{
-	unsigned long end;
-
-	/* Don't bother flushing if this address space is about to be
-         * destroyed.
-         */
-        if(atomic_read(&mm->mm_users) == 0)
-                return;
-
-	end = proc_mm ? task_size : CONFIG_STUB_START;
-        fix_range(mm, 0, end, 0);
-}
-
-void force_flush_all_skas(void)
-{
-	struct mm_struct *mm = current->mm;
-	struct vm_area_struct *vma = mm->mmap;
-
-	while(vma != NULL) {
-		fix_range(mm, vma->vm_start, vma->vm_end, 1);
-		vma = vma->vm_next;
-	}
-}
-
-void flush_tlb_page_skas(struct vm_area_struct *vma, unsigned long address)
-{
-	pgd_t *pgd;
-	pud_t *pud;
-	pmd_t *pmd;
-	pte_t *pte;
-	struct mm_struct *mm = vma->vm_mm;
-	void *flush = NULL;
-	int r, w, x, prot, err = 0;
-	struct mm_id *mm_id;
-
-	pgd = pgd_offset(mm, address);
-	if(!pgd_present(*pgd))
-		goto kill;
-
-	pud = pud_offset(pgd, address);
-	if(!pud_present(*pud))
-		goto kill;
-
-	pmd = pmd_offset(pud, address);
-	if(!pmd_present(*pmd))
-		goto kill;
-
-	pte = pte_offset_kernel(pmd, address);
-
-	r = pte_read(*pte);
-	w = pte_write(*pte);
-	x = pte_exec(*pte);
-	if (!pte_young(*pte)) {
-		r = 0;
-		w = 0;
-	} else if (!pte_dirty(*pte)) {
-		w = 0;
-	}
-
-	mm_id = &mm->context.skas.id;
-	prot = ((r ? UM_PROT_READ : 0) | (w ? UM_PROT_WRITE : 0) |
-		(x ? UM_PROT_EXEC : 0));
-	if(pte_newpage(*pte)){
-		if(pte_present(*pte)){
-			unsigned long long offset;
-			int fd;
-
-			fd = phys_mapping(pte_val(*pte) & PAGE_MASK, &offset);
-			err = map(mm_id, address, PAGE_SIZE, prot, fd, offset,
-				  1, &flush);
-		}
-		else err = unmap(mm_id, address, PAGE_SIZE, 1, &flush);
-	}
-	else if(pte_newprot(*pte))
-		err = protect(mm_id, address, PAGE_SIZE, prot, 1, &flush);
-
-	if(err)
-		goto kill;
-
-	*pte = pte_mkuptodate(*pte);
-
-	return;
-
-kill:
-	printk("Failed to flush page for address 0x%lx\n", address);
-	force_sig(SIGKILL, current);
-}
-