diff options
| author | Jan Beulich <jbeulich@novell.com> | 2007-08-15 12:38:54 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-08-22 16:23:26 -0700 |
| commit | 8d2b6827f08ec8376316f23b44a061a88ae4d978 (patch) | |
| tree | e623ec3de0ea9aeb1472ff4f2c791f60897a5852 | |
| parent | 91f9aa522baa31a5af4909667487ba163e849c3d (diff) | |
i386: allow debuggers to access the vsyscall page with compat vDSO
From: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | arch/i386/kernel/sysenter.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/i386/kernel/sysenter.c b/arch/i386/kernel/sysenter.c index ff4ee6f3326..6deb159d08e 100644 --- a/arch/i386/kernel/sysenter.c +++ b/arch/i386/kernel/sysenter.c @@ -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) { - 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) |