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SubjectRe: [PATCH v4 net-next] net: poll/select low latency socket support
On 28/06/2013 03:29, Cody P Schafer wrote:
> On 06/27/2013 05:25 PM, Cody P Schafer wrote:
>> On 06/24/2013 12:28 AM, Eliezer Tamir wrote:
>>> select/poll busy-poll support.
>>> ...
>>
>> I'm seeing warnings about using smp_processor_id() while preemptable
>> (log included below) due to this patch. I expect the use of
>> ll_end_time() -> sched_clock() here is triggering this.
>>
>> Apologies if this has already been noted.
>
> To be clear, given how sched_time() is used here the BUG appears
> invalid, but we need a way to mark this as OK for the smp_processor_id()
> checks so we don't get BUG spam.
>
Thanks for reporting this.

-Eliezer


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