On Thu, May 17, 2018 at 12:32 PM, Pedro Giffuni <p...@freebsd.org> wrote:
>
>
> On 17/05/2018 14:27, Emmanuel Vadot wrote:
>>
>> On Thu, 17 May 2018 14:20:05 -0500
>> Pedro Giffuni <p...@freebsd.org> wrote:
>>
>>> On 17/05/2018 14:12, Matthew Macy wrote:
>>>>
>>>> How do I avoid problems while allowing timely updates?
>>>>
>>>> -M
>>>>
>>>> On Thu, May 17, 2018 at 11:38 AM, Emmanuel Vadot <m...@bidouilliste.com>
>>>> wrote:
>>>>>
>>>>>    Hi Matt,
>>>>>
>>>>> On Thu, 17 May 2018 18:14:10 +0000 (UTC)
>>>>> Matt Macy <mm...@freebsd.org> wrote:
>>>>>
>>>>>> Author: mmacy
>>>>>> Date: Thu May 17 18:14:10 2018
>>>>>> New Revision: 333745
>>>>>> URL: https://svnweb.freebsd.org/changeset/base/333745
>>>>>>
>>>>>> Log:
>>>>>>     ck: add support for executing callbacks outside of main poll loop
>>>>>>
>>>>>>     Pull in change from upstream
>>>>>> deca119d14bfffd440770eb67cbdbeaf7b57eb7b
>>>>>>
>>>>>>     |    ck_epoch: introduce ck_epoch_deferred
>>>>>>     |
>>>>>>     |    Allow for deferral to occur outside epoch poll critical loop
>>>>>> (which may access per-CPU structures).
>>>>>>     |
>>>>>>
>>>>>>     Approved by:        sbruno
>>>>>>
>>>>>> Modified:
>>>>>>     head/sys/contrib/ck/include/ck_epoch.h
>>>>>>     head/sys/contrib/ck/src/ck_epoch.c
>>>>>>
>>>>>    CK was imported in vendor-sys/ck, commiting directly into head will
>>>>> cause some problems in the future.
>>>
>>> Actually ... committing to head is fine: some things just have to be
>>> fixed.
>>
>>   This is not true, it can cause a lot of problems with futures updates
>> if the change isn't in the vendor repo.
>
> OK ... I meant generally you can. The catch here is that the change was
> already upstream so it should have been done in the vendor area and then
> merged. It's best to fix this properly now.
>
> Sorry for misguiding.
>

I'm happy to comply - just point me at the fine manual.


-M
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