Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2993213AbXEBOE6 (ORCPT ); Wed, 2 May 2007 10:04:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S2993215AbXEBOE6 (ORCPT ); Wed, 2 May 2007 10:04:58 -0400 Received: from extu-mxob-1.symantec.com ([216.10.194.28]:55590 "EHLO extu-mxob-1.symantec.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2993213AbXEBOE5 (ORCPT ); Wed, 2 May 2007 10:04:57 -0400 Date: Wed, 2 May 2007 15:04:44 +0100 (BST) From: Hugh Dickins X-X-Sender: hugh@blonde.wat.veritas.com To: Phillip Susi cc: Linux-kernel Subject: Re: Execute in place In-Reply-To: <4637B751.1080907@cfl.rr.com> Message-ID: References: <4637B751.1080907@cfl.rr.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-OriginalArrivalTime: 02 May 2007 14:04:56.0948 (UTC) FILETIME=[DD681B40:01C78CC2] X-Brightmail-Verdict: VlJEQwAAAAIAAAABAAAAAAAAAAEAAAAAAAAAAmluYm94AGxpbnV4LWtlcm5lbEB2Z2VyLmtlcm5lbC5vcmcAcHN1c2lAY2ZsLnJyLmNvbQA= X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 767 Lines: 16 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 Hugh - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/