Koen Kooi skrev:
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On 21-10-10 10:43, Frans Meulenbroeks wrote:
PS: my opinion is that machine maintainers generally know better what
kernel works best for their machines than distro owners;
And what's stopping them to put DEFAULT_PREFERENCE_machine and
COMPATIBLE_MACHINE in the kernel recipes?
There is no technical reason for setting it in machine.conf, so why
should we break the orthogonality for that?
PPS: what's next? removing the PREFERRED_PROVIDER_virtual/kernel from
the machine configs because you feel you know better ?
That is actually an option these days since most kernel recipes set
COMPATIBLE_MACHINE correctly :)
But seriously, there are use cases for one distro to use a different
kernel for a given machine for whatever reasons.
This whole situation is a mess because recipes/linux is a mess. It would
be a nice topic for OEDEM to see if we should switch to a poky BSP
model. It would boils down to:
1 bblayer per machine or SOC_FAMILY containing:
* machine.conf
* first and second stage bootloaders
* kernel
I have already come to the conclusion that we could have a single
linux.bb recipe.
This assumes that you define things like KERNEL_VERSION, SOC_FAMILY
etc. outside the recipe and then include files with include filenames
containing approproate ENVIRONMENT variables.
I.E:
include $(KERNEL_VERSION)/kernel_source
include $(SOC_FAMILY)/$(KERNEL_VERSION)/kernel_patch
etc.
I can see some serious issues with that, but that's for another thread
to discuss.
regards,
Koen
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BR
Ulf Samuelsson
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