On Thu, Jul 24, 2025 at 02:10:47PM +0800, Yibo Dong wrote: > On Wed, Jul 23, 2025 at 09:09:34PM +0100, Simon Horman wrote: > > On Wed, Jul 23, 2025 at 11:01:11AM +0800, Yibo Dong wrote: > > > On Tue, Jul 22, 2025 at 12:29:09PM +0100, Simon Horman wrote: > > > > On Mon, Jul 21, 2025 at 07:32:24PM +0800, Dong Yibo wrote: > > > > ... > > > > > But I can't get this warning follow steps in my local: > > > --- > > > - make x86_64_defconfig > > > - make menuconfig (select my driver rnpgbe to *) > > > - make W=1 -j 20 > > > --- > > > if I compile it with 'make W=1 C=1 -j 20', some errors like this: > > > --- > > > ./include/linux/skbuff.h:978:1: error: directive in macro's argument list > > > ./include/linux/skbuff.h:981:1: error: directive in macro's argument list > > > ........ > > > Segmentation fault > > > --- > > > I also tried to use nipa/tests/patch/build_allmodconfig_warn > > > /build_allmodconfig.sh (not run the bot, just copy this sh to source > > > code). It seems the same with 'make W=1 C=1 -j 20'. > > > Is there something wrong for me? I want to get the warnings locally, > > > then I can check it before sending patches. Any suggestions to me, please? > > > Thanks for your feedback. > > > > I would expect what you are trying to work. > > I want to reproduce the warning locally, like this: > 'warning: symbol 'rnpgbe_driver_name' was not declared. Should it be static' > Then, I can check codes before sending patches. Yes, I think that is a very good plan. > > And I certainly would not expect a segmentation fault. > > > > I suspect that the version of Sparse you have is causing this problem > > (although it is just a wild guess). I would suggest installing > > from git. http://git.kernel.org/pub/scm/devel/sparse/sparse.git > > > > The current HEAD is commit 0196afe16a50 ("Merge branch 'riscv'"). > > I have exercised it quite a lot. > > > > nice, after installation, it works. I reproduced the warning, thanks. Excellent. > > > For reference, I also use: > > GCC 15.1.0 from here: https://mirrors.edge.kernel.org/pub/tools/crosstool/ > > Clang 20.1.8 from here: https://mirrors.edge.kernel.org/pub/tools/llvm/ > > (Because they are the latest non -rc compilers available there) > > > > >
