From: lethal@linux-sh.org (Paul Mundt)
To: linux-arm-kernel@lists.infradead.org
Subject: [C/R ARM][PATCH 3/3] c/r: ARM implementation of checkpoint/restart
Date: Fri, 26 Mar 2010 12:02:08 +0900 [thread overview]
Message-ID: <20100326030208.GA5815@linux-sh.org> (raw)
In-Reply-To: <20100326024759.GN19308@shareable.org>
On Fri, Mar 26, 2010 at 02:47:59AM +0000, Jamie Lokier wrote:
> Christoffer Dall wrote:
> > >> We checkpoint whether the system is running with CONFIG_MMU or not and
> > >> require the same configuration for the system on which we restore the
> > >> process. It might be possible to allow something more fine-grained,
> > >> if it's worth the energy. Input on this item is also very welcome,
> > >> specifically from someone who knows the exact meaning of the end_brk
> > >> field.
> > >
> > > Processes which run on MMU and non-MMU CPUs are unlikely to be
> > > interchangable - the run time environments are quite different. ?I
> > > think this is a sane check.
> > >
> > thanks.
>
> It's possible in principle to run many non-MMU binaries on MMU
> kernels, but I've never heard of anyone doing it.
>
FDPIC supports running the same binaries with or without MMU depending on
your ABI, it's not really that uncommon, even if it's mostly just used
for prototyping.
next prev parent reply other threads:[~2010-03-26 3:02 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-22 1:06 [C/R ARM][PATCH 0/3] Linux Checkpoint-Restart - ARM port Christoffer Dall
2010-03-22 1:06 ` [C/R ARM][PATCH 1/3] ARM: Rudimentary syscall interfaces Christoffer Dall
2010-03-23 20:53 ` Russell King - ARM Linux
2010-03-24 2:03 ` Matt Helsley
2010-03-24 4:57 ` Oren Laadan
2010-03-24 14:02 ` Matt Helsley
2010-03-24 15:53 ` Oren Laadan
2010-03-24 19:36 ` Christoffer Dall
2010-03-25 1:11 ` Matt Helsley
2010-03-25 1:17 ` Matt Helsley
2010-03-25 10:29 ` Christoffer Dall
2010-03-25 1:35 ` Oren Laadan
2010-03-25 10:34 ` Christoffer Dall
2010-03-22 1:06 ` [C/R ARM][PATCH 2/3] ARM: Add the eclone system call Christoffer Dall
2010-03-23 21:06 ` Russell King - ARM Linux
2010-03-24 18:19 ` Sukadev Bhattiprolu
2010-03-24 19:42 ` Christoffer Dall
2010-03-22 1:06 ` [C/R ARM][PATCH 3/3] c/r: ARM implementation of checkpoint/restart Christoffer Dall
2010-03-23 16:09 ` Serge E. Hallyn
2010-03-24 19:46 ` Christoffer Dall
2010-03-23 21:18 ` Russell King - ARM Linux
2010-03-24 1:53 ` Matt Helsley
2010-03-24 20:48 ` Christoffer Dall
2010-03-26 2:47 ` Jamie Lokier
2010-03-26 3:02 ` Paul Mundt [this message]
2010-03-26 3:55 ` Jamie Lokier
2010-03-28 22:55 ` Christoffer Dall
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