On tue, 23 Oct 2012 11:52:34 +0200, Borislav Petkov wrote: > On Tue, Oct 23, 2012 at 10:55:13AM +0800, Tang Chen wrote: >> So, how about warn once, and continue: >> if (cpu == dying) { >> WARN_ON_ONCE(cpu == dying); >> continue; >> } >> >> or, use BUG_ON() instead ? > > Let me ask you again, but I want you to think real hard this time: > > "Why do we need to warn? What good would that bring us?" >
This function is called after a cpu is offline, in other words, it is impossible that the cpu is still in cpu_online_mask. otherwise there is something wrong in the code. Thanks Miao -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/