Copy old kprobe to newly alloced optimized_kprobe before arch_prepare_optimized_kprobe(). Original kprove can brings more information to optimizer.
Signed-off-by: Wang Nan <[email protected]> Cc: Russell King <[email protected]> Cc: "David A. Long" <[email protected]> Cc: Jon Medhurst <[email protected]> Cc: Taras Kondratiuk <[email protected]> Cc: Ben Dooks <[email protected]> Cc: Ananth N Mavinakayanahalli <[email protected]> Cc: Anil S Keshavamurthy <[email protected]> Cc: "David S. Miller" <[email protected]> Cc: Masami Hiramatsu <[email protected]> Cc: Will Deacon <[email protected]> --- kernel/kprobes.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 3995f54..33cf568 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -730,7 +730,12 @@ static struct kprobe *alloc_aggr_kprobe(struct kprobe *p) return NULL; INIT_LIST_HEAD(&op->list); - op->kp.addr = p->addr; + + /* + * copy gives arch_prepare_optimized_kprobe + * more information + */ + copy_kprobe(p, &op->kp); arch_prepare_optimized_kprobe(op); return &op->kp; -- 1.8.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
