Date: Tue, 15 Dec 2015 12:24:52 -0500 (EST)
From: Nicolas Pitre <nicolas.pitre@linaro.org>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
cc: =?ISO-8859-15?Q?Pali_Roh=E1r?= <pali.rohar@gmail.com>,
        Tony Lindgren <tony@atomide.com>, Arnd Bergmann <arnd@arndb.de>,
        linux-arm-kernel@lists.infradead.org,
        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
        Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>,
        Laura Abbott <lauraa@codeaurora.org>,
        Sebastian Reichel <sre@debian.org>, Will Deacon <will.deacon@arm.com>,
        linux-kernel@vger.kernel.org, Rob Herring <robherring2@gmail.com>,
        Pavel Machek <pavel@ucw.cz>, Grant Likely <grant.likely@linaro.org>,
        linux-omap@vger.kernel.org, Frank Rowand <frowand.list@gmail.com>,
        =?ISO-8859-15?Q?Andreas_F=E4rber?= <afaerber@suse.de>
Subject: Re: [PATCH 5/5] arm: boot: store ATAGs structure into DT
 "/chosen/linux,atags" entry
In-Reply-To: <20151215122038.GI30871@n2100.arm.linux.org.uk>
Message-ID: <alpine.LFD.2.20.1512151222020.26920@knanqh.ubzr>
References: <20150713131902.GH26485@atomide.com> <20151129180939.GE30871@n2100.arm.linux.org.uk> <alpine.LFD.2.20.1511291902100.22569@knanqh.ubzr> <201511300115.12478@pali> <20151130152352.GY2517@atomide.com> <20151130153933.GD29576@pali>
 <alpine.LFD.2.20.1511301041090.22569@knanqh.ubzr> <20151215093325.GK13531@pali> <20151215122038.GI30871@n2100.arm.linux.org.uk>
User-Agent: Alpine 2.20 (LFD 67 2015-01-07)
MIME-Version: 1.0
Content-Type: multipart/mixed; BOUNDARY="8323328-231738316-1450200294=:26920"
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 877
Lines: 24

--8323328-231738316-1450200294=:26920
Content-Type: text/plain; charset=iso-8859-1
Content-Transfer-Encoding: 8BIT

On Tue, 15 Dec 2015, Russell King - ARM Linux wrote:

> On Tue, Dec 15, 2015 at 10:33:25AM +0100, Pali Roh?r 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
--8323328-231738316-1450200294=:26920--
--
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/