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Diffstat (limited to 'arch/um/kernel/skas/tlb.c')
-rw-r--r--arch/um/kernel/skas/tlb.c98
1 files changed, 0 insertions, 98 deletions
diff --git a/arch/um/kernel/skas/tlb.c b/arch/um/kernel/skas/tlb.c
deleted file mode 100644
index 6e84963dfc2..00000000000
--- a/arch/um/kernel/skas/tlb.c
+++ /dev/null
@@ -1,98 +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/config.h"
-#include "linux/mm.h"
-#include "asm/page.h"
-#include "asm/pgtable.h"
-#include "asm/mmu.h"
-#include "user_util.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.r, op->u.mmap.w,
- op->u.mmap.x, op->u.mmap.fd,
- op->u.mmap.offset, finished, flush);
- break;
- case MUNMAP:
- ret = unmap(&mmu->skas.id,
- (void *) 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.r,
- op->u.mprotect.w, op->u.mprotect.x,
- 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)
-{
- unsigned long end = proc_mm ? task_size : CONFIG_STUB_START;
- fix_range(current->mm, 0, end, 1);
-}