[Arm-netbook] Ask him for Android DDK (Was: I Have An Possible Chance To Meet An ARM Senior Manager)

[Gordan Bobic]

On 10/07/2012 04:20 PM, luke.leighton wrote:
> On Sun, Oct 7, 2012 at 3:49 PM, Gordan Bobic<gordan at bobich.net>  wrote:
>> On 10/07/2012 02:41 PM, luke.leighton wrote:
>>> On Sun, Oct 7, 2012 at 1:45 PM, Gordan Bobic<gordan at bobich.net>   wrote:
>>>> On 10/07/2012 12:43 PM, luke.leighton wrote:
>>>>
>>>>> i think, therefore, that efforts would be better spent running Android
>>>>> as a Virtual OS within kvm or other Virtual Machine, on CPUs that have
>>>>> virtual machine support (ARM Cortex A9 and above).
>>>>
>>>> That would be a truly awful solution. Full virtualization is
>>>> _expensive_.
>>>
>>>    right.  ok.  understood.  well, what about l4ka then instead?  i know
>>> of one company that's already done an L4 microkernel'd version of
>>> android.
>>
>> I'd never heard of L4Ka before (only just googled it). I am not sure
>> what advantage this is supposed to have over other microkernel based
>> hypervisors such as Xen and ESX.
>
>   it's not a hypervisor.  "linux the kernel" is reduced to the role of
> being "yet another userspace application".  the overhead i heard about
> when investigating this was about 3%.  xen and ESX are running
> "kernels on kernels".  in L4KA, apart from the microkernel itself,
> everything's "flat".

LVM is supposedly following the same logic in the sense that the Linux 
kernel IS the hypervisor and can cut a lot of corners because there is 
only one common scheduler, etc. This hasn't helped it get utterly blown 
away as far as my testing shows.

Gordan