Re: [PATCH v4 2/8] Prioritize isar-apt repo over all others

[Jan Kiszka <jan.kiszka@siemens.com>]

On 2018-02-12 18:00, Jan Kiszka wrote:
>> Ok, I see that you define KERNEL_ARCH variable in machine config and
>> this variable is used to bind kernel<->module build process. Sometimes
>> KERNEL_ARCH has to be changed according to your kernel configuration.
>> It's not enough to change preferred_provider from "linux-distro" to
>> "linux-cip" if you want to use LPAE for your ARM kernel. You also need
>> to change KERNEL_ARCH from "armmp" to "armmp-lpae" to be correct.
> 
> OK, but this cannot be defined by the kernel recipe. It has to be
> defined by the machine setting. A kernel recipe could then select a
> config that matches or reject the KERNEL_ARCH. Currently, we do nothing
> in this direction, that is a valid point for future improvements.

Actually, this is rather simple to address in the own recipes that want
multi-arch kernel support, and I will likely use this pattern in
jailhouse-images:

FILESPATH =. "config-${KERNEL_ARCH}:"

and then put config-amd64/defconfig, config-armmp/defconfig etc. into
your recipe folder.

Jan

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