diff options
| author | Ingo Molnar <mingo@kernel.org> | 2013-10-15 07:05:06 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-10-15 07:05:18 +0200 |
| commit | 426ee9e3bbc478ed9c0a079a4270f6095f0eb975 (patch) | |
| tree | d8f295e2e516a61b2ab8ccb49f5b1d9fb67979bd /arch/parisc/mm/fault.c | |
| parent | b7af41a1bc255c0098c37a4bcf5c7e5e168ce875 (diff) | |
| parent | 61e6cfa80de5760bbe406f4e815b7739205754d2 (diff) | |
Merge tag 'v3.12-rc5' into perf/core
Merge Linux v3.12-rc5, to pick up the latest fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/parisc/mm/fault.c')
| -rw-r--r-- | arch/parisc/mm/fault.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index d10d27a720c..0293588d5b8 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -171,17 +171,25 @@ void do_page_fault(struct pt_regs *regs, unsigned long code, unsigned long address) { struct vm_area_struct *vma, *prev_vma; - struct task_struct *tsk = current; - struct mm_struct *mm = tsk->mm; + struct task_struct *tsk; + struct mm_struct *mm; unsigned long acc_type; int fault; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags; - if (in_atomic() || !mm) + if (in_atomic()) goto no_context; + tsk = current; + mm = tsk->mm; + if (!mm) + goto no_context; + + flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; if (user_mode(regs)) flags |= FAULT_FLAG_USER; + + acc_type = parisc_acctyp(code, regs->iir); if (acc_type & VM_WRITE) flags |= FAULT_FLAG_WRITE; retry: @@ -196,8 +204,6 @@ retry: good_area: - acc_type = parisc_acctyp(code,regs->iir); - if ((vma->vm_flags & acc_type) != acc_type) goto bad_area; |