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List:       haiku-development
Subject:    [haiku-development] Re: Change of kernel args struct size...
From:       Ingo Weinhold <ingo_weinhold () gmx ! de>
Date:       2016-10-03 10:43:17
Message-ID: 57F23645.8050107 () gmx ! de
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On 10/02/2016 05:01 PM, Axel Dörfler wrote:
> Am 02/10/2016 um 14:57 schrieb Adrien Destugues:
>> Anyway, I'm fine with changing the struct layout in an incompatible way
>> now. It will break booting from old install states, but there weren't
>> any release with that feature yet. We can see later about switching to
>> KMessage or something else with more flexibility.
>
> It's not just old install states on the same volume, it's also boot
> another Haiku install on another volume.

Is that use case that relevant in practice? Why wouldn't I use the BIOS 
boot volume selector or -- if this is a permanent installation -- some 
primary boot menu/loader?

That aside, switching to KMessage for the data transfer is probably a 
good idea. Not sure, if completely replacing the kernel_args structure 
-- which is used directly by quite a bit of code -- with KMessage or an 
archiving + unarchiving approach would be better, though.

CU, Ingo


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