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Date:      Fri, 23 Jun 2006 21:59:34 -0500 (CDT)
From:      Denny White <dennyboy@cableone.net>
To:        FreeBSD Questions <freebsd-questions@freebsd.org>
Subject:   Re: FreeBSD smp
Message-ID:  <Pine.BSO.4.64.0606232157080.1576@badboybox.cableone.net>
In-Reply-To: <20060623070711.04c5bf94@loki.starkstrom.lan>
References:  <1150853032.16507.1.camel@localhost> <0578D634449883E0B7478DE4@Paul-Schmehls-Computer.local> <Pine.BSO.4.64.0606202242570.6552@badboybox.cableone.net> <20060623070711.04c5bf94@loki.starkstrom.lan>

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> On Tue, 20 Jun 2006 22:51:46 -0500 (CDT)
> Denny White <dennyboy@cableone.net> wrote:
>
>> Okay, might be off base here, so someone correct me if
>> I'm wrong. Don't you also have to remove the following
>>
>> #ifdef SMP
>> #ifndef COMPILING_LINT
>> #error DEVICE_POLLING is not compatible with SMP
>> #endif
>> #endif
>>
>> from /usr/src/sys/kern/kern_poll.c ?
>>
>> You'll get an error part of the way through building
>> the kernel otherwise, right? Like I said, that's the
>> way I remember it. Just trying to save someone some
>> unnecessary work.
>

Today Joerg Pernfuss wrote:

> Obviously only if you have enabled device polling in your custom kernel
> and know what you're doing. Defaulting to refuse to build polling on
> SMP has its reason. While it is generally not a problem, the kernel /
> userland ratio and statistics code might get messed up if I recall
> an old posting from Luigi correctly.
>
> 	Joerg
> -- 
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>

Yup, you're right. And I do have device polling enabled in
the kernel. My bad. Open one mouth, extricate one foot. :-)
Time for either a jolt or some sleep.

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