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Date: Mon, 01 Dec 2014 17:28:58 +0100
From: Hans Petter Selasky <hps@selasky.org>
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To: Alfred Perlstein <bright@mu.org>
Subject: Re: svn commit: r275136 - in head/sys: dev/e1000 dev/ixgbe kern sys
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Cc: "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>,
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On 12/01/14 16:56, Alfred Perlstein wrote:
>
>
>> On Dec 1, 2014, at 7:49 AM, Hans Petter Selasky <hps@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.

--HPS