svn commit: r275136 - in head/sys: dev/e1000 dev/ixgbe kern sys

[Alfred Perlstein]

> On Dec 1, 2014, at 8:28 AM, Hans Petter Selasky <hps at selasky.org> wrote:
> 
>> On 12/01/14 16:56, Alfred Perlstein wrote:
>> 
>> 
>>>> On Dec 1, 2014, at 7:49 AM, Hans Petter Selasky <hps at selasky.org> wrote:
>>>> 
>>>>> On 12/01/14 16:45, Alfred Perlstein wrote:
>>>>> 
>>>>> Hi,
>>>>> 
>>>>> It is quite early, actually:
>>>>> 
>>>>> SYSINIT(sysctl, SI_SUB_KMEM, SI_ORDER_FIRST, sysctl_register_all, 0);
>>>>> 
>>>>> In some parts of the machine independent, MI, code you neee to keep the TUNABLE_FETCH'es, because its run before SI_SUB_KMEM !
>>>> 
>>>> Then it will not work unless I move the global n_queues sysctl creation into the driver's mod load function.
>>>> 
>>>> Is that ok?
>>> 
>>> Are you asking me?
>> 
>> In soviet russia no one is ever sure whom to ask for permission to proceed.
>> 
>> (Also you have significant commits to the driver so it makes sense. )
> 
> Ok,
> 
> You need to check "sys/sys/kernel.h" for the full init order and figure out where exactly your driver code is running and make sure that is running after the SYSCTL/TUNABLE gets init.

Yes that is why it is being done by hand in the probe routine. I think proper thing might be a way to sort out how to get tunables to run at a driver load event?  Is that possible?

> 
> --HPS
> 
>