linux-kernel - Re: Execute in place

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Date:	Thu, 3 May 2007 13:38:22 +0200
From:	Erik Mouw <mouw@...linux.org>
To:	Hugh Dickins <hugh@...itas.com>
Cc:	Phillip Susi <psusi@....rr.com>,
	Linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Execute in place

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

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