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| author | Jan Beulich <jbeulich@novell.com> | 2007-07-21 17:10:21 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-21 18:37:09 -0700 |
| commit | 2f30c00702aca3229e1157718675f0ee56d2a931 (patch) | |
| tree | 9fed77b2b4e3fcc33088c03270d2e94e906b965b | |
| parent | cdc1793ef7f5ccc47696e3d00b827e832e4c5bdb (diff) | |
| download | op-kernel-dev-2f30c00702aca3229e1157718675f0ee56d2a931.zip op-kernel-dev-2f30c00702aca3229e1157718675f0ee56d2a931.tar.gz | |
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>
| -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 ff4ee6f..6deb159 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) |
