[PATCH] Use CONFIG_VECTORS_BASE instead of hardcoded 0xffff0000.
Russell King - ARM Linux
linux at arm.linux.org.uk
Wed Oct 21 04:09:38 EDT 2009
On Wed, Oct 21, 2009 at 09:04:38AM +0200, Benoit Fouet wrote:
> Reading the DDI0344D (Cortex A8 r2p1 trm), it seemed to me that this
> was configurable with the security extension:
> although my patch was very likely the wrong approach (changing
> VECTORS_BASE does not really make sense, as this is the one that can
> not be remapped), there are still processors in the wild in which you
> can configure the base address of the exception vectors.
However, the page at 0xffff0000 on MMU processors is part of the
kernel<->user API and its address can not be changed.
As I say, the patch does not make any sense.
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