[llvmlinux] clang warning: implicit conversion in intel_ddi.c:1481

Greg KH gregkh at linuxfoundation.org
Fri Feb 2 13:13:28 UTC 2018


On Fri, Feb 02, 2018 at 12:44:38PM +0200, Jani Nikula wrote:
> 
> +Knut, Fengguang
> 
> On Fri, 02 Feb 2018, Greg KH <gregkh at linuxfoundation.org> wrote:
> > 	- If clang now builds the kernel "cleanly", yes, I want to take
> > 	  warning fixes in the stable tree.  And even better yet, if you
> > 	  keep working to ensure the tree is "clean", that would be
> > 	  wonderful.
> 
> So we can run sparse using 'make C=1' and friends, or other static
> analysis tools using 'make CHECK=foo C=1', as long as the passed command
> line params work. There was work by Knut to extend this make checker
> stuff [1]. Since mixing different HOSTCC's in a single workdir seems
> like a bad idea, I wonder how hard it would be to make clang work like
> this:
> 
> $ make CHECK=clang C=1
> 
> Or using Knut's wrapper. Feels like that could increase the use of clang
> for static analysis of patches.

Why not just build with clang itself:
	make CC=clang

thanks,

greg k-h


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