Re: installing multiple kernels

From: James E. Housley (jeh_at_FreeBSD.org)
Date: 04/15/04

  • Next message: Julian Elischer: "Re: installing multiple kernels" 
    Date: Thu, 15 Apr 2004 14:32:19 -0400
To: Dag-Erling Smørgrav <des@des.no>

    Dag-Erling Smørgrav wrote:
    > Currently, Makefile.inc1 will only install a single kernel. If
    > KERNCONF specifies multiple kernel configs, they are all built, but
    > only the first one is installed. This makes sense since otherwise the
    > last one installed would simply clobber all the other ones.
    >
    > The attached patch changes that. It modifies kern.pre.mk to install
    > each kernel in /boot/<kernelname> instead of /boot/kernel. It also
    > modifies Makefile.inc1 to build and install all kernel configs listed
    > in KERNCONF. It also adds a script, sys/conf/regkernel.sh, which
    > keeps a list of installed kernels in /boot/kernels, making sure that
    > the last one installed is always listed last.
    >
    > The only missing element is to make the loader read /boot/kernels and
    > have $kernel default to the last kernel listed there (i.e. the most
    > recently installed) instead of "kernel". It would also be nice to
    > offer a kernel selection menu for the CLI-impaired. Unfortunately,
    > I'm afraid my forth skills aren't quite up to the task. Any takers?
    >

    But isn't changing to use the last kernel instead of the first kernel a
    violation of POLA? Other then that this sounds great.

    Jim 

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