Re: [uml-devel] [PATCH] checkstack: use $UTS_MACHINE as target architecture

From: Richard Weinberger
Date: Tue Jul 08 2014 - 05:14:40 EST

Am 08.07.2014 11:09, schrieb Geert Uytterhoeven:
> On Tue, Jul 8, 2014 at 11:06 AM, Richard Weinberger <richard@xxxxxx> wrote:
>> Am 08.07.2014 11:03, schrieb Konstantin Khlebnikov:
>>> I know. But debugging/profiling of kernel code is much easier when it
>>> runs in userspace.
>>> I think this is the last use case where uml might beat normal hardware
>>> accelerated qemu/kvm.
>>> But without SMP and with that high overhead on each syscall and
>>> context/mm switch it's mostly useless.
>> The major use case of UML is that you can run it on hardware without
>> KVM support.
>> Everyone else is using KVM.
> And that you don't need root permissions to run it.
> Which is why I'm still interested in an ARM port.
> Need... More... Spare... Time...

You can use KVM also without being root.
It depends on the rights of /dev/kvm.

But yes, an ARM ports would be nice to have. :)

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