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/

Reply via email to