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From: Nicolas Pitre <nicolas.pitre@linaro.org>
To: Pavel Machek <pavel@ucw.cz>
Cc: "Tony Lindgren" <tony@atomide.com>,
	"Pali Rohár" <pali.rohar@gmail.com>,
	linux-omap <linux-omap@vger.kernel.org>,
	"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
	"Aaro Koskinen" <aaro.koskinen@iki.fi>,
	"Sebastian Reichel" <sre@kernel.org>,
	"Ivaylo Dimitrov" <ivo.g.dimitrov.75@gmail.com>,
	"Russell King" <linux@arm.linux.org.uk>,
	linux-arm-kernel@lists.infradead.org,
	"Laura Abbott" <lauraa@codeaurora.org>
Subject: Re: N900 v3.19-rc5 arm atags_to_fdt.c is broken
Date: Tue, 27 Jan 2015 10:16:24 -0500 (EST)	[thread overview]
Message-ID: <alpine.LFD.2.11.1501271014160.1322@knanqh.ubzr> (raw)
In-Reply-To: <20150127133739.GB25306@amd>

On Tue, 27 Jan 2015, Pavel Machek wrote:

> 
> > > > I would say, problem is because omap3-n900 binary DT is too large
> > 
> > I agree.
> > 
> > > OK if that's the case, then your patch makes sense to me. It also
> > > seems we can have the temporary stack be larger than the initial
> > > stack just for atags_to_fdt.
> > 
> > The stack size isn't the issue, but rather its location.  We need to 
> > position it away from the DT data.  The DT size is known and we could 
> > use that, plus some room for the insertion of new data coming from the
> > ATAG conversion.
> > 
> > Something like the following would be a more robust solution:
> 
> Tested-by: Pavel Machek <pavel@ucw.cz>
> 
> (Note, that in 3.19 dts for n900 got too big, so we are actually
> triggering old bugs. That means that this is a regression fix, and
> should go in ASAP).

It is queued here:
http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=8294/1


Nicolas

  reply	other threads:[~2015-01-27 15:16 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-23 21:39 Pali Rohár
2015-01-23 22:36 ` Pali Rohár
2015-01-23 23:48   ` Pavel Machek
2015-01-24  9:04     ` Pali Rohár
2015-01-26 16:14   ` Tony Lindgren
2015-01-26 16:23     ` Pali Rohár
2015-01-26 17:03       ` Tony Lindgren
2015-01-26 18:57         ` Nicolas Pitre
2015-01-26 21:48           ` Pavel Machek
2015-01-27  0:06             ` Nicolas Pitre
2015-01-27 13:37           ` Pavel Machek
2015-01-27 15:16             ` Nicolas Pitre [this message]
2015-01-27 15:26               ` Pali Rohár
2015-01-27 15:26               ` Tony Lindgren
2015-01-27 17:53               ` Russell King - ARM Linux
2015-01-27 18:50                 ` Nicolas Pitre
2015-01-27 23:09                   ` Aaro Koskinen
2015-01-27 23:17                   ` Pavel Machek
2015-02-02 13:39               ` Pavel Machek
2015-02-02 13:56                 ` Nicolas Pitre

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