| From | Andi Kleen <> | Subject | [PATCH] [35/58] i386: allow debuggers to access the vsyscall page with compat vDSO | Date | Thu, 19 Jul 2007 11:55:21 +0200 (CEST) |
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From: "Jan Beulich" <jbeulich@novell.com> Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@suse.de>
arch/i386/kernel/sysenter.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
Index: linux/arch/i386/kernel/sysenter.c =================================================================== --- linux.orig/arch/i386/kernel/sysenter.c +++ linux/arch/i386/kernel/sysenter.c @@ -336,7 +336,9 @@ struct vm_area_struct *get_gate_vma(stru 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) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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