Re: Execute in place

From: Erik Mouw
Date: Thu May 03 2007 - 07:39:17 EST


On Wed, May 02, 2007 at 03:04:44PM +0100, Hugh Dickins wrote:
> On Tue, 1 May 2007, Phillip Susi wrote:
> > I seem to remember seeing some patches go by at some point that allowed one of
> > the rom type embeded system filesystems to directly execute binaries out of
> > the original rom memory rather than copying them to ram first, then executing
> > from there. I was wondering if rootfs or tmpfs support such execute in place
> > today, or if binaries executed from there have their code segments duplicated
> > in ram?
>
> Only ext2 supports it today: see Documentation/filesystems/xip.txt

IIRC JFFS2 also supports XIP.


Erik

--
They're all fools. Don't worry. Darwin may be slow, but he'll
eventually get them. -- Matthew Lammers in alt.sysadmin.recovery

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