Re: [PATCH 3/5] lib: lockless generic and arch independent page table (gpt) v2.
From: Rik van Riel
Date: Thu Nov 06 2014 - 17:57:08 EST
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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@xxxxxxxxxx>
>
>> 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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