Enabling runtime P2V by default (Re: [PATCH 3/5] mach-u300: patch physoffset by default)

Will Deacon will.deacon at arm.com
Thu Aug 11 04:46:26 EDT 2011


Hi Russell,

On Thu, Aug 11, 2011 at 09:24:13AM +0100, Russell King - ARM Linux wrote:
> Right, I'm now committing a patch to hide the option unless EMBEDDED
> is enabled.  I think this means we should get rid of the 'select
> ARM_PATCH_PHYS_VIRT' statements from the various platforms, so that
> folk can optimize away that code if they know what they're doing.
> 
> Note: this patch will conflict with the removal of the 16-bit P2V
> patching, so we need to sort that out.
> 
> 8<---------
> From: Russell King - ARM Linux <linux at arm.linux.org.uk>
> ARM: enable ARM_PATCH_PHYS_VIRT by default
> 
> Enable virtual to physical translation patching by default in all
> kernels.  Hide the option behind EMBEDDED.
> 
> This can still be turned off if people desire, and they know what
> they're doing, to shrink the size of the kernel to a minimum.
> 
> Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>
> ---
>  arch/arm/Kconfig |    8 ++++++--
>  1 files changed, 6 insertions(+), 2 deletions(-)

With the typo fix, you can have my ack if you like:

Acked-by: Will Deacon <will.deacon at arm.com>

Cheers,

Will




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