tech-net archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: Introduce curlwp_bind and curlwp_unbind for psref(9)



On Sat, Jun 25, 2016 at 11:56 AM, matthew green <mrg%eterna.com.au@localhost> wrote:
>> > Since we already use preempt_disable() to force an lwp to stick to a cpu,
>> > doesn't that solve the problem?  If need be, we can enforce nonpreemptable
>> > lwp's don't migrate.
>
> why would we want to disable preemption in code that merely wants
> to run on a particular cpu.
>
> i dno't understand why using the side effect of preempt_disable()
> is better than  explicitly stating what is wanted.

Yes. That's why the API is introduced.

  ozaki-r


Home | Main Index | Thread Index | Old Index