Messages in this thread | | | Date | Fri, 05 Apr 2013 23:13:58 +0200 | From | Gregory CLEMENT <> | Subject | Re: [PATCH v2 2/9] arm: mvebu: Align the internal registers virtual base to support LPAE |
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On 04/05/2013 10:50 PM, Arnd Bergmann wrote: > On Friday 05 April 2013, Gregory CLEMENT wrote: >> From: Lior Amsalem <alior@marvell.com> >> >> In order to be able to support he LPAE, the internal registers virtual >> base must be aligned to 2MB. >> >> Signed-off-by: Lior Amsalem <alior@marvell.com> >> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> > > This is a surprising limitation. Can you extend the above text to go into more > detail where that alignment requirement comes from? >
The explanation I had was that in LPAE section size is 2MB, in earlyprintk we map the internal registers and it must be section aligned.
> Arnd > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >
-- Gregory Clement, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com
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