Subject: Re: What's difference between ARM_VECTORS_LOW and ARM_VECTORS_HIGH?
To: Richard Earnshaw <Richard.Earnshaw@buzzard.freeserve.co.uk>
From: Jason Thorpe <email@example.com>
Date: 04/13/2007 10:59:11
On Apr 13, 2007, at 12:49 AM, Richard Earnshaw wrote:
> No, its more to do with the memory mappings for a kernel. It's far
> easier if your operating system pages live at the top of the Virtual
> memory range to have the vectors at a high address than to have them
> a lower one (where the vectors are pretty much in the user pages
> (particularly, part of the user level1 look up).
I think the original reason was driven by the address space identifier