El Mon, Aug 04, 2008 at 07:30:00PM -0400 Robert P. J. Day ha dit: > > i started this discussion over on the embedded linux list, but it > would seem to be more appropriate here so i'll start over, and i'll > report back to the embedded list what the results are. > > in short, i want to know if it's possible to separate the config > selections of INITRD and INITRAMFS so you can choose them > independently. more specifically, i want to know if one can select > (internal) INITRAMFS support without having to select (external) > INITRD support, since many embedded systems find it handy to boot from > that internal initramfs image, but may have no need whatsoever to > support an external (what we've known historically as) initrd image. > and leaving out initrd support looks like it might save some bytes. > with me so far? > > just to clarify the terminology, an "initrd" image would be an > independent cpio-format image that you'd pass via, for example, grub, > as in: > > title Fedora (2.6.25.11-97.fc9.i686) > root (hd0,0) > kernel /vmlinuz-2.6.25.11-97.fc9.i686 ... etc etc ... > initrd /initrd-2.6.25.11-97.fc9.i686.img <--- that can an initrd image really have cpio format? i thought the image must always be based on a "real" file system. > while "initramfs" refers, of course, to the internal cpio-format image > that you can build directly into the kernel image (see the contents of > the top-level usr/ directory in the kernel source tree for the code > that does that). for me an initramfs is an cpio format image, but not containing necessarily the kernel, it can be also passed to the kernel as a parameter like an initrd -- Matthias Kaehlcke Embedded Linux Engineer Barcelona You can chain me, you can torture me, you can even destroy this body, but you will never imprison my mind (Mahatma Gandhi) .''`. using free software / Debian GNU/Linux | http://debian.org : :' : `. `'` gpg --keyserver pgp.mit.edu --recv-keys 47D8E5D4 `- -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ