Re: [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry

From	Nicolas Pitre <nicolas.pitre@linaro.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry
Date	2015-12-15 18:30 +0100
Message-ID	<qG1Ae-7eq-19@gated-at.bofh.it> (permalink)
References	(4 earlier) <qAyyT-5lO-33@gated-at.bofh.it> <qAyIy-5q7-27@gated-at.bofh.it> <qAzbA-5R5-15@gated-at.bofh.it> <qFUfp-2at-9@gated-at.bofh.it> <qFWTU-42L-19@gated-at.bofh.it>
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On Tue, 15 Dec 2015, Russell King - ARM Linux wrote:

> On Tue, Dec 15, 2015 at 10:33:25AM +0100, Pali Rohár wrote:
> > So am I understand correctly that solution would be to hack
> > arch/arm/mm/mmu.c to not overwrite page at PHYS_OFFSET?
> 
> That's completely unnecessary: there are enough platform hooks to cope
> with whatever the platform requires.

Indeed.  I didn't notice that mdesc->reserve() exists these days and is 
perfect for this purpose as you say.

Nicolas

Thread

Re: [PATCH 5/5] arm: boot: store ATAGs structure into DT  "/chosen/linux,atags" entry Pali Rohár <pali.rohar@gmail.com> - 2015-12-15 10:40 +0100
  Re: [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry Arnd Bergmann <arnd@arndb.de> - 2015-12-15 12:10 +0100
  Re: [PATCH 5/5] arm: boot: store ATAGs structure into DT  "/chosen/linux,atags" entry Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-12-15 13:30 +0100
    Re: [PATCH 5/5] arm: boot: store ATAGs structure into DT  "/chosen/linux,atags" entry Nicolas Pitre <nicolas.pitre@linaro.org> - 2015-12-15 18:30 +0100
    Re: [PATCH 5/5] arm: boot: store ATAGs structure into DT  "/chosen/linux,atags" entry Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com> - 2015-12-23 16:00 +0100

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