On Tue, 2012-07-10 at 11:50 +0200, Peter Zijlstra wrote: > + if (regs->cs != __USER32_CS && regs->cs != __USER_CS) > + return 0; > + > + if (regs->ss != __USER32_DS && regs->ss != __USER_DS) > + return 0; Those should be return 1, they are a 32bit callchain, we just don't do anything with it. -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html