Re: CVS commit: src/sys/net

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

On Thu, Nov 27, 2014 at 11:39 AM, matthew green <mrg%eterna.com.au@localhost> wrote:
>
> Ryota Ozaki writes:
>> On Thu, Nov 27, 2014 at 10:51 AM, Masao Uebayashi <uebayasi%gmail.com@localhost> wrote:
>> > Maybe adding a few spare members, like 5 pointers, to reduce # of bumps ... ?
>>
>> I thought the version bump is required because a member has been changed
>> (a struct to a pointer). So IIUC the spare members don't help for such
>> a situation?
>
> this is correct.  you need a kernel bump when ever the kernel
> ABI changes.
>
> hiding stuff inside an alloc doesn't really help much when the
> kernel code needs to access the structure anyway, unless you
> also hide all accesses to the structure inside functions.

Thanks! I understood.

  ozaki-r

>
> that said, it's probably a good idea anyway.
>
>
> .mrg.