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Re: [Xen-devel] Uniform commands for booting xen

On 13.11.2015 10:50, Ian Campbell wrote:
> On Fri, 2015-11-13 at 12:04 +0300, Andrei Borzenkov wrote:
>>> How do you express modules other than kernel+initrd in that
>>> scheme, without grub needing to be aware of any new addition we
>>> may find necessary going forward?
>> Are modules used by Xen self-identifying? Is it enough to simply pass
>> Xen kernel list of binary blobs or Xen kernel must be told what these
>> binary blobs are? If they are self identifying, why arm needs to be
>> passed module type in the first place?
> At first Xen/ARM required the bootloader to identify, but that was since
> identified as causing madness and fixed by having Xen/ARM do as Xen/x86
> does and figure things out for itself, but I failed to communicate this
> clearly and things got implemented on the grub side under the old
> assumptions.
This changes a lot. This removes most of hurdles towards uniformity. Are
you ok with replacing xen_kernel/xen_xsm/... with just xen_module and
dropping type altogether?
Do you think that it makes sense to have xen_initrd in order to have
in-memory initrd concatenation like baremetal counterpart? In either
case we can add it later. I'd rather not have a command than to change
its meaning later.
Jan, does it address your concerns?
> I just replied in more detail about that to Jan's mail, so I won't repeat
> myself further here.
> Ian.

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