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

Geert Uytterhoeven
2014-07-08T09:09:02Z

On Tue, Jul 8, 2014 at 11:06 AM, Richard Weinberger <richard@nod.at> 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...

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds