[RFC PATCH 1/1] arm64: Add support for 48-bit Physical Address

[Christopher Covington]

Hi Radha,

On 02/26/2014 12:58 AM, mohun106 at gmail.com wrote:
> From: Radha Mohan Chintakuntla <rchintakuntla at cavium.com>
> 
> Added support for ARMv8 platforms that have 48-bit physical address
> implemented. There is no change in the VA bits and levels of
> translation.

Is there benefit to using build-time constants for this information? Why not
look up the physical address range at run time, so that a single kernel binary
could run on any system?

Thanks,
Christopher

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