linux-kernel - Re: [RFC PATCH 00/11] Embeddable Position Independent Executable

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Date:	Thu, 7 Nov 2013 15:29:38 -0800
From:	Kevin Hilman <khilman@...aro.org>
To:	Russ Dill <Russ.Dill@...com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	linux-omap <linux-omap@...r.kernel.org>,
	linux-kbuild@...r.kernel.org,
	Ard Biesheuvel <ard.biesheuvel@...aro.org>, mans@...sr.com,
	Shawn Guo <shawn.guo@...aro.org>,
	Dave Martin <Dave.Martin@....com>,
	Russell King - ARM Linux <linux@....linux.org.uk>
Subject: Re: [RFC PATCH 00/11] Embeddable Position Independent Executable

On Tue, Sep 17, 2013 at 5:43 AM, Russ Dill <Russ.Dill@...com> wrote:
> This patch adds support for and demonstrates the usage of an embedded
> position independent executable (PIE). The goal is to allow the use of C
> code in situations where carefully written position independent assembly
> was previously required.

Hmm, I thought I had already replied to this but it appears that I haven't.

I really like this approach and think it's a major improvement on what
we're already doing on OMAP and a few other ARM platforms.  This
approach is done in a way that's significantly easier to maintain and
extend IMO.

As a next step, I think you should drop the RFC and split it up into a
few series that can go via the right trees:

- asm-generic and lib/devres (patches 1, 2, 4)
- drivers/sram (patch 3)
- generic PIE: (patch 5)
- core PIE: (patch 5-8)
- AM33xx support (patch 9-11)

Kevin
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