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| author | Anton Arapov <anton@redhat.com> | 2012-09-12 09:18:33 +0200 |
|---|---|---|
| committer | Anton Arapov <anton@redhat.com> | 2012-09-12 09:19:26 +0200 |
| commit | 985ef6b2108ed28ffd5f6630e1e0fce2e2a775f2 (patch) | |
| tree | eb9091ebd60e14eea65a9e6b5140f98d88e8a590 /arch/s390/include/asm | |
| parent | 1d44b6f3fcf6058fb7c960b7558766967e8028f7 (diff) | |
| download | kernel-uprobes-985ef6b2108ed28ffd5f6630e1e0fce2e2a775f2.tar.gz kernel-uprobes-985ef6b2108ed28ffd5f6630e1e0fce2e2a775f2.tar.xz kernel-uprobes-985ef6b2108ed28ffd5f6630e1e0fce2e2a775f2.zip | |
fedora kernel: 021ce7bee3cfdcbf16da1256b2c9f40f7e9bbd9ev3.5.3-1
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/s390/include/asm')
| -rw-r--r-- | arch/s390/include/asm/mmu_context.h | 14 | ||||
| -rw-r--r-- | arch/s390/include/asm/processor.h | 2 |
2 files changed, 15 insertions, 1 deletions
diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h index 69bdf72e95e..89b0b39efd9 100644 --- a/arch/s390/include/asm/mmu_context.h +++ b/arch/s390/include/asm/mmu_context.h @@ -13,7 +13,6 @@ #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) @@ -93,4 +92,17 @@ 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 */ diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index 20d0585cf90..3987b2fa972 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -122,7 +122,9 @@ struct stack_frame { regs->psw.mask = psw_user_bits | PSW_MASK_BA; \ regs->psw.addr = new_psw | PSW_ADDR_AMODE; \ regs->gprs[15] = new_stackp; \ + __tlb_flush_mm(current->mm); \ crst_table_downgrade(current->mm, 1UL << 31); \ + update_mm(current->mm, current); \ } while (0) /* Forward declaration, a strange C thing */ |