| Message ID | 1413977525-51480-7-git-send-email-wangnan0@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 3995f54..e9868ec 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -730,7 +730,13 @@ static struct kprobe *alloc_aggr_kprobe(struct kprobe *p) return NULL; INIT_LIST_HEAD(&op->list); + + /* + * copy gives arch_prepare_optimized_kprobe + * more information + */ op->kp.addr = p->addr; + copy_kprobe(p, &op->kp); arch_prepare_optimized_kprobe(op); return &op->kp;
Copy old kprobe to newly alloced optimized_kprobe before arch_prepare_optimized_kprobe(). Original kprove can brings more information to optimizer. v1 -> v2: - Bugfix: copy p->addr when alloc_aggr_kprobe. Signed-off-by: Wang Nan <wangnan0@huawei.com> --- kernel/kprobes.c | 6 ++++++ 1 file changed, 6 insertions(+)