Re: [PATCH 3/5] lib: lockless generic and arch independent page table (gpt) v2.

[Rik van Riel <riel@redhat.com>]

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On 11/06/2014 05:40 PM, Jerome Glisse wrote:
> On Thu, Nov 06, 2014 at 05:32:00PM -0500, Rik van Riel wrote:

> Never a fan of preprocessor magic, but I  see why it's needed.
> 
> Acked-by: Rik van Riel <riel@redhat.com>
> 
>> v1 is not using preprocessor but has a bigger gpt struct
>> footprint and also more complex calculation for page table
>> walking due to the fact that i just rely more on runtime
>> computation than on compile time shift define through 
>> preprocessor magic.
> 
>> Given i am not a fan either of preprocessor magic if it makes you
>> feel any better i can resort to use v1, both have seen same kind
>> of testing and both are functionaly equivalent (API they expose
>> is obviously slightly different).
> 
>> I am not convince that what the computation i save using
>> preprocessor will show up in anyway as being bottleneck for hot
>> path.

I have no strong preference either way. This code is perfectly readable.

Andrew?

- -- 
All rights reversed
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