diff options
| author | James Simmons <jsimmons@infradead.org> | 2012-11-14 18:15:32 +0000 |
|---|---|---|
| committer | James Simmons <jsimmons@infradead.org> | 2012-11-14 18:15:32 +0000 |
| commit | b44959f2817032bc4668434bbe1cf9ab28b8cb21 (patch) | |
| tree | de3bd861b36c836ac9b7b6e8dc179ca1985b6593 /arch/s390/include/asm/mmu_context.h | |
| parent | e22956a2faa9cf34cec4a471131d50c6be75b0c2 (diff) | |
| parent | 2216c9e74fb3baac3cb73952158dbe38b703997e (diff) | |
Conflicts:
drivers/gpu/drm/tdfx/tdfx_drv.c
Diffstat (limited to 'arch/s390/include/asm/mmu_context.h')
| -rw-r--r-- | arch/s390/include/asm/mmu_context.h | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h index 69bdf72e95e..b749c573365 100644 --- a/arch/s390/include/asm/mmu_context.h +++ b/arch/s390/include/asm/mmu_context.h @@ -1,6 +1,4 @@ /* - * include/asm-s390/mmu_context.h - * * S390 version * * Derived from "include/asm-i386/mmu_context.h" @@ -13,7 +11,6 @@ #include <asm/uaccess.h> #include <asm/tlbflush.h> #include <asm/ctl_reg.h> -#include <asm-generic/mm_hooks.h> static inline int init_new_context(struct task_struct *tsk, struct mm_struct *mm) @@ -60,7 +57,7 @@ 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 (user_mode != HOME_SPACE_MODE) { + if (addressing_mode != HOME_SPACE_MODE) { /* Load primary space page table origin. */ asm volatile(LCTL_OPCODE" 1,1,%0\n" : : "m" (S390_lowcore.user_asce) ); @@ -93,4 +90,17 @@ static inline void activate_mm(struct mm_struct *prev, switch_mm(prev, next, current); } +static inline void arch_dup_mmap(struct mm_struct *oldmm, + struct mm_struct *mm) +{ +#ifdef CONFIG_64BIT + if (oldmm->context.asce_limit < mm->context.asce_limit) + crst_table_downgrade(mm, oldmm->context.asce_limit); +#endif +} + +static inline void arch_exit_mmap(struct mm_struct *mm) +{ +} + #endif /* __S390_MMU_CONTEXT_H */ |