Re: [PATCH v4 00/13] Compiler Attributes

From: Miguel Ojeda
Date: Sun Sep 09 2018 - 11:21:30 EST


Hi Luc,

On Sun, Sep 9, 2018 at 10:02 AM, Luc Van Oostenryck
<luc.vanoostenryck@xxxxxxxxx> wrote:
> On Sat, Sep 08, 2018 at 11:24:46PM +0200, Miguel Ojeda wrote:
>> The Compiler Attributes series is an effort to disentangle
>> the include/linux/compiler*.h headers and bring them up to date.
>>
>> The main idea behind the series is to use feature checking macros
>> (i.e. __has_attribute) instead of compiler version checks (e.g. GCC_VERSION),
>> which are compiler-agnostic (so they can be shared, reducing the size
>> of compiler-specific headers) and version-agnostic.
>>
>> Other related improvements have been performed in the headers as well,
>> which on top of the use of __has_attribute it has amounted to a significant
>> simplification of these headers (e.g. GCC_VERSION is now only guarding 4
>> non-attribute macros).
>>
>> This series should also help the efforts to support compiling the kernel
>> with clang and icc. A fair amount of documentation and comments have also
>> been added, clarified or removed; and the headers are now more readable,
>> which should help kernel developers in general.
>>
>> The series was triggered due to the move to gcc >= 4.6. In turn, this series
>> has also triggered Sparse to gain the ability to recognize __has_attribute
>> on its own.
>>
>> You can also fetch it from:
>>
>> https://github.com/ojeda/linux/tree/compiler-attributes-v4
>>
>> Enjoy!
>
> It's a nice and welcomed cleanup!
> Everything look good to me, so feel free to add my
> Reviewed-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>

Thanks a lot for the review! :-)

Cheers,
Miguel