From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Richard Weinberger <richard@nod.at>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
"x86@kernel.org" <x86@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
UML devel <user-mode-linux-devel@lists.sourceforge.net>,
linux-kbuild <linux-kbuild@vger.kernel.org>
Subject: Re: [uml-devel] [PATCH] checkstack: use $UTS_MACHINE as target architecture
Date: Tue, 8 Jul 2014 11:09:00 +0200 [thread overview]
Message-ID: <CAMuHMdXczkVGAejZ2RnsdXYvTq-8eZAhheR-ygXmXKMmh9VsEA@mail.gmail.com> (raw)
In-Reply-To: <53BBB4AF.1080507@nod.at>
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
next prev parent reply other threads:[~2014-07-08 9:09 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-05 11:22 [PATCH] checkstack: use $UTS_MACHINE as target architecture Konstantin Khlebnikov
2014-07-07 22:05 ` Andrew Morton
2014-07-08 5:48 ` Konstantin Khlebnikov
2014-07-08 8:01 ` [uml-devel] " Richard Weinberger
2014-07-08 8:16 ` Konstantin Khlebnikov
2014-07-08 8:20 ` Richard Weinberger
2014-07-08 8:20 ` Richard Weinberger
2014-07-08 8:30 ` Konstantin Khlebnikov
2014-07-08 8:33 ` Richard Weinberger
2014-07-08 8:47 ` Konstantin Khlebnikov
2014-07-08 8:50 ` Richard Weinberger
2014-07-08 9:03 ` Konstantin Khlebnikov
2014-07-08 9:06 ` Richard Weinberger
2014-07-08 9:09 ` Geert Uytterhoeven [this message]
2014-07-08 9:14 ` Richard Weinberger
2014-07-08 9:22 ` Geert Uytterhoeven
2014-07-08 9:23 ` Richard Weinberger
2014-07-08 10:31 ` Konstantin Khlebnikov
2014-07-08 10:35 ` [PATCH] scripts/checkstack.pl: automatically handle 32-bit and 64-bit mode for ARCH=x86 Konstantin Khlebnikov
2014-07-08 10:35 ` [uml-devel] " Konstantin Khlebnikov
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