linux-kernel - Re: [RFC PATCH 00/11] an introduction of library operating system for Linux (LibOS)

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Message-ID: <CAMuHMdXYa2K8FH48A8_O-TsfduUC2A2WWD_bHhBgznf6FbN1Zw@mail.gmail.com>
Date:	Fri, 27 Mar 2015 04:49:55 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Richard Weinberger <richard@....at>,
	Hajime Tazaki <tazaki@...e.ad.jp>,
	Linux-Arch <linux-arch@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Jonathan Corbet <corbet@....net>,
	Christoph Lameter <cl@...ux.com>,
	Pekka Enberg <penberg@...nel.org>,
	David Rientjes <rientjes@...gle.com>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Linux MM <linux-mm@...ck.org>, Jeff Dike <jdike@...toit.com>,
	mathieu.lacage@...il.com
Subject: Re: [RFC PATCH 00/11] an introduction of library operating system for
 Linux (LibOS)

On Fri, Mar 27, 2015 at 4:31 AM, Rusty Russell <rusty@...tcorp.com.au> wrote:
> Richard Weinberger <richard@....at> writes:
>> This also infers that arch/lib will be broken most of the time as
>> every time the networking stack references a new symbol it
>> has to be duplicated into arch/lib.
>>
>> But this does not mean that your idea is bad, all I want to say that
>> I'm not sure whether arch/lib is the right approach.
>> Maybe Arnd has a better idea.
>
> Exactly why I look forward to getting this in-tree.  Jeremy Kerr and I
> wrote nfsim back in 2005(!) which stubbed around the netfilter
> infrastructure; with failtest and valgrind it found some nasty bugs.  It
> was too much hassle to maintain out-of-tree though :(
>
> I look forward to a flood of great bugfixes from this work :)

IIRC, the ability to run UML under valgrind was also one of its key features?
And that's not limited to networking.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-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
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