Re: pserialize & hw interrupt

[Ryota Ozaki <ozaki-r%netbsd.org@localhost>]

On Fri, Dec 5, 2014 at 7:07 AM, Mindaugas Rasiukevicius
<rmind%netbsd.org@localhost> wrote:
> Ryota Ozaki <ozaki-r%netbsd.org@localhost> wrote:
>> Can we use pserialize for readers in hardware interrupt?
>> If we use splhigh instead of splsoftserial (pserialize_read_enter)
>> for critical sections of the readers, we can guarantee that
>> the readers don't touch a removed object anymore after
>> pserialize_perform. It this correct?
>
> It is correct, however we are trying to do less work in the hardware
> interrupt handlers by moving it to the software interrupts.

Thanks. I think we need a gradual migration plan to the direction.

  ozaki-r

>
> --
> Mindaugas