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i386: allow debuggers to access the vsyscall page with compat vDSO

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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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Jan Beulich 2007-07-21 17:10:21 +02:00 committed by Linus Torvalds
parent cdc1793ef7
commit 2f30c00702
1 changed files with 3 additions and 1 deletions
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4
arch/i386/kernel/sysenter.c
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@ -336,7 +336,9 @@ struct vm_area_struct *get_gate_vma(struct task_struct *tsk)
int in_gate_area(struct task_struct *task, unsigned long addr) int in_gate_area(struct task_struct *task, unsigned long addr)
{ {
return 0; const struct vm_area_struct *vma = get_gate_vma(task);
return vma && addr >= vma->vm_start && addr < vma->vm_end;
} }
int in_gate_area_no_task(unsigned long addr) int in_gate_area_no_task(unsigned long addr)