2012/4/11 Vladimir 'φ-coder/phcoder' Serbinenko <[email protected]>:
> On 11.04.2012 04:56, Mike Gilbert wrote:
>> On 04/07/2012 05:54 PM, Mike Gilbert wrote:
>>> Secondly, genkernel looks for the "real_root" kernel command line option
>>> to determine the root filesystem. This is a holdover from the days when
>>> we used true initrd images and we needed to use root=/dev/ram0.
>>>
>> It was brought to my attention that genkernel's initramfs code will in
>> fact utilize "root" if "real_root" is unset. This part of my previous
>> patch is therefore pointless.
>>
>> I have attached a revised patch containing only the changes necessary to
>> detect a genkernel initramfs image.
>>
> pushd/popd isn't POSIX so we can't use it in our scripts. Also I don't
> feel like glob expansion is the right thing to use here. Why not infer
> the architecture from uname ?
That should also work. Here's the logic that genkernel uses to populate ARCH:
ARCH=`uname -m`
case "${ARCH}" in
i?86)
ARCH="x86"
;;
mips|mips64)
ARCH="mips"
;;
arm*)
ARCH=arm
;;
*)
;;
esac
I'm thinking it would be a good idea to rename ARCH to something like
GENKERNEL_ARCH. We should also let the user override this in
/etc/default/grub.
Does that sound ok?
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