Date: Mon, 25 Feb 2008 14:38:08 +0100 From: Alexander Leidinger <Alexander@Leidinger.net> To: Adrian Chadd <adrian@freebsd.org> Cc: hackers@freebsd.org Subject: Re: Modular type GENERIC? Message-ID: <20080225143808.dp3me068g8gsgkow@webmail.leidinger.net> In-Reply-To: <d763ac660802240226s250964efv1fd002196a90c110@mail.gmail.com> References: <d763ac660802240226s250964efv1fd002196a90c110@mail.gmail.com>
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Quoting Adrian Chadd <adrian@freebsd.org> (from Sun, 24 Feb 2008 =20 19:26:04 +0900): > G'day, > > I was just wondering why we're not shipping a GENERIC type > configuration that simply loads the modules at startup, rather than a > statically linked kernel. I thought that was a large part of the push > for the modular framework in years past. Using modules needs more space than having all in the kernel (or =20 generating one big "super-module" which contains the code from all =20 modules). There's some kind of space overhead for each module. When =20 module support was added, space on the install media was a critical =20 resource. Today this could be revisited (at least for the kernel which =20 will be installed on the destination medium). > As a quick experiment, I trimmed all the modular devices out of > RELENG_7 GENERIC into a "BASE" configuration file and filled > /boot/loader.conf with modules relevant to my system. Everything > booted just fine. > > How feasible do people think it would be to ship a "GENERIC" > configuration which simply includes all the devices in a default > module list, and users can select/deselect modules they wish to load? I'm running a mini kernel since years, and everything I need is added =20 as a module (if possible). So I would probably be one of the consumers =20 of such a config. > Here's the kernel and loader configuration files I'm using just on my > system. I think acpi_load is a bit extraneous as acpi is included in > the amd64 DEFAULTS. acpi is also loaded automatically on i386 (or not, if specified in the =20 loader, so it should not be added in the config) > http://people.freebsd.org/~adrian/BASE.txt > http://people.freebsd.org/~adrian/loader.conf I haven't looked at this. Bye, Alexander. --=20 Some men are so macho they'll get you pregnant just to kill a rabbit. =09=09-- Maureen Murphy http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID =3D B0063FE7 http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID =3D 72077137
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