1 files changed, 0 insertions, 117 deletions
diff --git a/include/asm-arm/mmu_context.h b/include/asm-arm/mmu_context.h
deleted file mode 100644
index 91b9dfdfed52..000000000000
--- a/include/asm-arm/mmu_context.h
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
- *  linux/include/asm-arm/mmu_context.h
- *
- *  Copyright (C) 1996 Russell King.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- *  Changelog:
- *   27-06-1996	RMK	Created
- */
-#ifndef __ASM_ARM_MMU_CONTEXT_H
-#define __ASM_ARM_MMU_CONTEXT_H
-
-#include <linux/compiler.h>
-#include <asm/cacheflush.h>
-#include <asm/proc-fns.h>
-#include <asm-generic/mm_hooks.h>
-
-void __check_kvm_seq(struct mm_struct *mm);
-
-#ifdef CONFIG_CPU_HAS_ASID
-
-/*
- * On ARMv6, we have the following structure in the Context ID:
- *
- * 31                         7          0
- * +-------------------------+-----------+
- * |      process ID         |   ASID    |
- * +-------------------------+-----------+
- * |              context ID             |
- * +-------------------------------------+
- *
- * The ASID is used to tag entries in the CPU caches and TLBs.
- * The context ID is used by debuggers and trace logic, and
- * should be unique within all running processes.
- */
-#define ASID_BITS		8
-#define ASID_MASK		((~0) << ASID_BITS)
-#define ASID_FIRST_VERSION	(1 << ASID_BITS)
-
-extern unsigned int cpu_last_asid;
-
-void __init_new_context(struct task_struct *tsk, struct mm_struct *mm);
-void __new_context(struct mm_struct *mm);
-
-static inline void check_context(struct mm_struct *mm)
-{
-	if (unlikely((mm->context.id ^ cpu_last_asid) >> ASID_BITS))
-		__new_context(mm);
-
-	if (unlikely(mm->context.kvm_seq != init_mm.context.kvm_seq))
-		__check_kvm_seq(mm);
-}
-
-#define init_new_context(tsk,mm)	(__init_new_context(tsk,mm),0)
-
-#else
-
-static inline void check_context(struct mm_struct *mm)
-{
-	if (unlikely(mm->context.kvm_seq != init_mm.context.kvm_seq))
-		__check_kvm_seq(mm);
-}
-
-#define init_new_context(tsk,mm)	0
-
-#endif
-
-#define destroy_context(mm)		do { } while(0)
-
-/*
- * This is called when "tsk" is about to enter lazy TLB mode.
- *
- * mm:  describes the currently active mm context
- * tsk: task which is entering lazy tlb
- * cpu: cpu number which is entering lazy tlb
- *
- * tsk->mm will be NULL
- */
-static inline void
-enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
-{
-}
-
-/*
- * This is the actual mm switch as far as the scheduler
- * is concerned.  No registers are touched.  We avoid
- * calling the CPU specific function when the mm hasn't
- * actually changed.
- */
-static inline void
-switch_mm(struct mm_struct *prev, struct mm_struct *next,
-	  struct task_struct *tsk)
-{
-#ifdef CONFIG_MMU
-	unsigned int cpu = smp_processor_id();
-
-#ifdef CONFIG_SMP
-	/* check for possible thread migration */
-	if (!cpus_empty(next->cpu_vm_mask) && !cpu_isset(cpu, next->cpu_vm_mask))
-		__flush_icache_all();
-#endif
-	if (!cpu_test_and_set(cpu, next->cpu_vm_mask) || prev != next) {
-		check_context(next);
-		cpu_switch_mm(next->pgd, next);
-		if (cache_is_vivt())
-			cpu_clear(cpu, prev->cpu_vm_mask);
-	}
-#endif
-}
-
-#define deactivate_mm(tsk,mm)	do { } while (0)
-#define activate_mm(prev,next)	switch_mm(prev, next, NULL)
-
-#endif