Re: [PATCH v5 00/15] Compiler Attributes
From: Miguel Ojeda
Date: Sun Sep 30 2018 - 07:14:01 EST
On Mon, Sep 24, 2018 at 4:36 PM Luc Van Oostenryck
<luc.vanoostenryck@xxxxxxxxx> wrote:
>
> On Thu, Sep 20, 2018 at 07:22:46PM +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.
> >
> > Finally, the nonstring variable attribute series has been applied on top
> > of this one.
>
> Hi Miguel,
> Feel free to add my
> Reviewed-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
> on patches 11-15 (I think the others ones already have it).
>
Done for both Nick and you!
Cheers,
Miguel