i386: allow debuggers to access the vsyscall page with compat vDSO
Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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1 changed files with 3 additions and 1 deletions
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@ -336,7 +336,9 @@ struct vm_area_struct *get_gate_vma(struct task_struct *tsk)
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int in_gate_area(struct task_struct *task, unsigned long addr)
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{
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return 0;
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const struct vm_area_struct *vma = get_gate_vma(task);
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return vma && addr >= vma->vm_start && addr < vma->vm_end;
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}
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int in_gate_area_no_task(unsigned long addr)
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