From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] scripts/link-vmlinux.sh: correct base address for some ARM special cases
Date: Wed, 26 Feb 2014 15:18:47 +0100 [thread overview]
Message-ID: <6893985.cs1CmCRdfV@wuerfel> (raw)
In-Reply-To: <5208155.7cW2odY371@wuerfel>
On Wednesday 26 February 2014 15:16:40 Arnd Bergmann wrote:
> On Wednesday 26 February 2014 15:06:32 Uwe Kleine-K?nig wrote:
> > > It's more to the point. The first hunk hides the "Memory split" option
> > > which is irrelevent on !MMU. We already know that PAGE_OFFSET should
> > > be the same as PHYS_OFFSET for noMMU, so let's make that explicit.
> > > Note that it already is by way of the bit in the last hunk - which as
> > > a result of this change can now be removed... especially so as we have
> > > nothing defining PAGE_OFFSET in arch/arm/*/include...
> >
> > Looks reasonable. Maybe we can also get rid of PLAT_PHYS_OFFSET then.
>
> I think we still need PLAT_PHYS_OFFSET for the configurations that cannot
> use ARM_PATCH_PHYS_VIRT, which are:
>
> * Anything using XIP_KERNEL with MMU=y
> * mach-realview with the custom __phys_to_virt hack
> * ZBOOT_ROM
Ah, nevermind. We need either PLAT_PHYS_OFFSET /or/ CONFIG_PHYS_OFFSET
for these case, but we could in theory drop the former.
Arnd
next prev parent reply other threads:[~2014-02-26 14:18 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-26 11:11 [PATCH] scripts/link-vmlinux.sh: correct base address for some ARM special cases Uwe Kleine-König
2014-02-26 11:15 ` Russell King - ARM Linux
2014-02-26 13:46 ` Uwe Kleine-König
2014-02-26 13:53 ` Russell King - ARM Linux
2014-02-26 14:02 ` Arnd Bergmann
2014-02-26 14:06 ` Uwe Kleine-König
2014-02-26 14:16 ` Arnd Bergmann
2014-02-26 14:18 ` Arnd Bergmann [this message]
2014-02-26 14:32 ` Russell King - ARM Linux
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