Date: Fri, 21 Jan 2005 08:42:17 -0500 From: Gardner Bell <gbell72@rogers.com> To: Ramiro Aceves <ea1abz@wanadoo.es> Cc: freebsd-questions@freebsd.org Subject: Re: I do not understand kernel modules Message-ID: <20050121134217.GA77496@gardnerbell.ca> In-Reply-To: <41F044F4.9070706@wanadoo.es> References: <41EFA65E.80307@wanadoo.es> <20050120125840.M1382@wcborstel.nl> <41F044F4.9070706@wanadoo.es>
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On Fri, Jan 21, 2005 at 12:55:32AM +0100 Ramiro Aceves wrote: > Jorn Argelo wrote: > >On Thu, 20 Jan 2005 13:38:54 +0100, Ramiro Aceves wrote > > > >>Hello friends. > >> > >>I am a FreeBSD newbie, I am going to ask you a question that I have not > >>been able to solve reading the manual. I am using 5.3 release. I have > >>compiled a custom kernel in my old pentium 75 MHz machine to include > >>the driver for my sound card. I added the following lines to the kernel > >>config file > >> > >>device sound > >>device "snd_es137x" > >> > >>and compiled the kernel perfectly. (long time.... ;-) ) > >> > >>But there is something that I do not understand well. When I look at > >>the contents of /boot/kernel/ directory, I found that there are > >>kernel sound modules *.ko for every sound card the kernel supports. > >>Should not there be my sound card module alone? Does It mean that > >>you have to compile all the stuff, even if you are going to use only > >>one kind of sound card? Am I missing something? > > > > > >Your sound card has been build into the kernel itself (which is > >/boot/kernel/ > >kernel AFAIK). The *.ko are kernel modules, which you can load using the > >kldload command. So in case you get a new sound card, find out what driver > >it supports and you can use kldload <yourdriver>.ko to get support for > >your sound card without recompiling your kernel. > > > > Yes, I understand now. The problem is that my old pentium machine takes > very long time to compile all the modules even if I am not going to use > them. I would like to compile only the modules I use, to reduce > compiling time. Is that possible? > Refer to the option MODULES_OVERRIDE in man make.conf(5) if you wish to only compile certain modules. Gardner
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