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> Cheers, -- Luc
