Auto kernel module loading
Daniel C. Sobral
dcs at tcoip.com.br
Tue Apr 22 05:54:34 PDT 2003
Ok. MMmmm. Damn, I want this. :-)
M. Warner Losh wrote:
> In message: <3EA531A0.3060209 at tcoip.com.br>
> "Daniel C. Sobral" <dcs at tcoip.com.br> writes:
> : M. Warner Losh wrote:
> : > In message: <3E9EB7DF.4040104 at tcoip.com.br>
> : > "Daniel C. Sobral" <dcs at tcoip.com.br> writes:
> : > : Plan once was for loader to identify the PNP IDs and load the
> : > : appropriate modules. What the appropriate modules were would be infered
> : > : from a configuration file.
> : > :
> : > : I think Mike decided that wasn't such a good idea after all, but I
> : > : wasn't much in touch with FreeBSD at the time, so I remember it only
> : > : vaguely.
> : >
> : > Yes. My plan is to make devd deal with most of the problem... You'll
> : > still need to compile / device into your kernel, however.
> :
> : Mmmm? The point is having a minimal kernel.ko. If you still have to
> : compile the device in the kernel, it does nothing at all to reach the
> : desired goal.
>
> You misunderstand. I have a fairly minimal kernel.ko. You have to
> compile "/ device" into your kernel means that you have to compile the
> device that you get your "/" partition from.
>
> Sorry if that didn't parse.
>
> Right now I have kinda gross things like the following in my devd.conf
> file:
>
> nomatch 10 {
> match "bus" "cardbus[0-9]+";
> match "vendor" "0x10b7";
> match "device" "0x5257";
> action "kldload if_xl";
> };
>
> nomatch 10 {
> match "bus" "pccard[0-9]+";
> match "manufacturer" "0x015f";
> match "product" "0x000a";
> action "kldload if_an";
> };
>
> I've just gotten this working with devd, so I've not had a chance to
> optimize things completely at this point in time. However, the above
> entries have allowed me to compile a minimal kernel.ko and have the
> devices loaded on demand. I don't bother trying to unload them on
> last use, however, since that is a big pita...
>
> Warner
--
Daniel C. Sobral (8-DCS)
Gerencia de Operacoes
Divisao de Comunicacao de Dados
Coordenacao de Seguranca
VIVO Centro Oeste Norte
Fones: 55-61-313-7654/Cel: 55-61-9618-0904
E-mail: Daniel.Capo at tco.net.br
Daniel.Sobral at tcoip.com.br
dcs at tcoip.com.br
Outros:
dcs at newsguy.com
dcs at freebsd.org
capo at notorious.bsdconspiracy.net
Return on investments won't.
More information about the freebsd-current
mailing list