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Re: Improve support for genkernel in 10_linux
From: |
Mike Gilbert |
Subject: |
Re: Improve support for genkernel in 10_linux |
Date: |
Sat, 14 Apr 2012 22:21:20 -0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120329 Thunderbird/11.0.1 |
On 04/11/2012 11:52 AM, Mike Gilbert wrote:
> 2012/4/11 Vladimir 'φ-coder/phcoder' Serbinenko <address@hidden>:
>> 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?
I have modified my patch to implement what I describe above.
grub-2.00-genkernel.patch
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- Improve support for genkernel in 10_linux, Mike Gilbert, 2012/04/07
- Re: Improve support for genkernel in 10_linux, Mike Gilbert, 2012/04/10
- Re: Improve support for genkernel in 10_linux, Vladimir 'φ-coder/phcoder' Serbinenko, 2012/04/11
- Re: Improve support for genkernel in 10_linux, Mike Gilbert, 2012/04/11
- Re: Improve support for genkernel in 10_linux,
Mike Gilbert <=
- Re: Improve support for genkernel in 10_linux, Vladimir 'φ-coder/phcoder' Serbinenko, 2012/04/18
- Re: Improve support for genkernel in 10_linux, Mike Gilbert, 2012/04/18
- Re: Improve support for genkernel in 10_linux, Vladimir 'φ-coder/phcoder' Serbinenko, 2012/04/18
- Re: Improve support for genkernel in 10_linux, Mike Gilbert, 2012/04/18
- Re: Improve support for genkernel in 10_linux, Vladimir 'φ-coder/phcoder' Serbinenko, 2012/04/18