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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2008-08-01 20:42:05 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2008-08-01 20:42:05 +0200
commitc6557e7f2b6ae76a44653d38f835174074c42e05 (patch)
treeda619a76b309cb1cd259d082af768a83cfcd6d52 /include/asm-s390/mmu_context.h
parentab4227cb2d936886069ef1056c02500d05beb15d (diff)
[S390] move include/asm-s390 to arch/s390/include/asm
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'include/asm-s390/mmu_context.h')
-rw-r--r--include/asm-s390/mmu_context.h77
1 files changed, 0 insertions, 77 deletions
diff --git a/include/asm-s390/mmu_context.h b/include/asm-s390/mmu_context.h
deleted file mode 100644
index 4c2fbf48c9c..00000000000
--- a/include/asm-s390/mmu_context.h
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * include/asm-s390/mmu_context.h
- *
- * S390 version
- *
- * Derived from "include/asm-i386/mmu_context.h"
- */
-
-#ifndef __S390_MMU_CONTEXT_H
-#define __S390_MMU_CONTEXT_H
-
-#include <asm/pgalloc.h>
-#include <asm/uaccess.h>
-#include <asm-generic/mm_hooks.h>
-
-static inline int init_new_context(struct task_struct *tsk,
- struct mm_struct *mm)
-{
- mm->context.asce_bits = _ASCE_TABLE_LENGTH | _ASCE_USER_BITS;
-#ifdef CONFIG_64BIT
- mm->context.asce_bits |= _ASCE_TYPE_REGION3;
-#endif
- if (current->mm->context.pgstes) {
- mm->context.noexec = 0;
- mm->context.pgstes = 1;
- } else {
- mm->context.noexec = s390_noexec;
- mm->context.pgstes = 0;
- }
- mm->context.asce_limit = STACK_TOP_MAX;
- crst_table_init((unsigned long *) mm->pgd, pgd_entry_type(mm));
- return 0;
-}
-
-#define destroy_context(mm) do { } while (0)
-
-#ifndef __s390x__
-#define LCTL_OPCODE "lctl"
-#else
-#define LCTL_OPCODE "lctlg"
-#endif
-
-static inline void update_mm(struct mm_struct *mm, struct task_struct *tsk)
-{
- pgd_t *pgd = mm->pgd;
-
- S390_lowcore.user_asce = mm->context.asce_bits | __pa(pgd);
- if (switch_amode) {
- /* Load primary space page table origin. */
- pgd = mm->context.noexec ? get_shadow_table(pgd) : pgd;
- S390_lowcore.user_exec_asce = mm->context.asce_bits | __pa(pgd);
- asm volatile(LCTL_OPCODE" 1,1,%0\n"
- : : "m" (S390_lowcore.user_exec_asce) );
- } else
- /* Load home space page table origin. */
- asm volatile(LCTL_OPCODE" 13,13,%0"
- : : "m" (S390_lowcore.user_asce) );
- set_fs(current->thread.mm_segment);
-}
-
-static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
- struct task_struct *tsk)
-{
- cpu_set(smp_processor_id(), next->cpu_vm_mask);
- update_mm(next, tsk);
-}
-
-#define enter_lazy_tlb(mm,tsk) do { } while (0)
-#define deactivate_mm(tsk,mm) do { } while (0)
-
-static inline void activate_mm(struct mm_struct *prev,
- struct mm_struct *next)
-{
- switch_mm(prev, next, current);
-}
-
-#endif /* __S390_MMU_CONTEXT_H */