Steps to submit a new arch/arm port
Russell King - ARM Linux
linux at arm.linux.org.uk
Tue Sep 22 09:29:47 PDT 2015
On Tue, Sep 22, 2015 at 05:54:04PM +0200, Mason wrote:
> On 22/09/2015 16:51, Arnd Bergmann wrote:
> > On Tuesday 22 September 2015 16:36:48 Mason wrote:
> >> On 21/09/2015 17:49, Arnd Bergmann wrote:
> >> +config ARM_L1_CACHE_SHIFT
> >> + int
> >> + default 5
> >
> > This conflicts with the other definition of the same symbol.
>
> I asked about this a long time ago. Maybe I didn't understand
> Russell's answer?
>
> http://thread.gmane.org/gmane.linux.ports.arm.kernel/402968
>
> How do I force ARM_L1_CACHE_SHIFT to 5 for my platform?
> It saves ~6% of the .data section size.
> (Not worth it?)
It's really not worth the complexity in Kconfig to make it work - we
would need some way to detect a configuration where _only_ your
platform is enabled, and the statement for that is likely to be very
big, and very difficult to maintain into the future.
Sorry.
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