On Oct 13, 2011, at 10:35 AM, Timur Tabi wrote:

> Kumar Gala wrote:
>>>> Why did you apply this patch?  Both Scott and I rejected it.
> 
>> Because its fixing a real issue.  If we want to remove PHYS_64BIT support or 
>> make it optional for the board feel free to send another patch.
> 
> Ok, so if someone posts a patch that works but does things the wrong way, and
> that patch gets rejected during reviews, but the submitter doesn't post a
> follow-up patch that does things the right way, you're going to apply the 
> first
> patch anyway?

Leaving the code 'broken' I consider worse than slightly improving the 
situation which the patch does.  The original patch for this board port 
introduced it with CONFIG_PHYS_64BIT set, thus I think it reasonable to take a 
patch that fixed an issue w/o anyone else putting out a patch.

If you really don't want it selected by default send me a patch to remove it 
and I'll apply.  That is far more productive than this discussion.

> What about the BSP team's contention that enabling 64-bit support in the 
> kernel
> can drop performance by up to 25% in some situations?  We talked about that on
> an internal mailing list several months ago.

I think this 25% number is bogus.  There are cases where it also improves 
performance.

- k
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