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Date:      Thu, 3 Jul 2003 10:59:07 -0700 (PDT)
From:      Julian Elischer <julian@elischer.org>
To:        Michael Smith <msmith@freebsd.org>
Cc:        "M. Warner Losh" <imp@bsdimp.com>
Subject:   Re: [acpi-jp 2381] Re: Updated ec-burst.diff patch
Message-ID:  <Pine.BSF.4.21.0307031055070.78043-100000@InterJet.elischer.org>
In-Reply-To: <AEBF16C0-AD7E-11D7-AD8C-000393DA4D30@freebsd.org>

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On Thu, 3 Jul 2003, Michael Smith wrote:

> 
[...]
> 
> No.
> 
> The two are different things, although arguably there should be more 
> integration.
> 
> The tunable mechanism exists to allow parameters to be set before the 
> kernel starts.
> Things that are set with tunables tend to be things that used to be 
> statically compiled
> into the kernel; they're not adjustable once the kernel's up and 
> running.
> 
> It makes sense to export the values set by tunables into the sysctl 
> MIB, but by their
> very nature they're not suitable for conversion to sysctls.
> 
>   = Mike

So is what you are saying...

"tuneables should be converted at boot to read-only sysctls?"

I can imagine some things that could be changed again once running,
so maybe it would not be a cast in iron thing...




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