On Thu, Jan 27, 2022 at 10:10:32PM +1100, Michael Ellerman wrote: > Dan Carpenter <dan.carpen...@oracle.com> writes: > > On Wed, Jan 26, 2022 at 12:21:49PM +0000, Christophe Leroy wrote: > >> The code is enclosed in a #ifdef CONFIG_PPC64, it is not used for PPC32: > >> > >> /arch/powerpc/include/asm/bug.h > >> 99 #ifdef CONFIG_PPC64 > > > > Ah... > > > > You know, life would be a lot easier for me personally if we added an > > #ifndef __CHECKER__ as well... I can't compile PowerPC code so I can't > > test a patch like that. > > Ubuntu & Fedora both have cross compilers packaged, or there's cross > compilers on kernel.org. But I assume you mean you'd rather not bother > compiling for powerpc, which is fair enough. > > Do you mean something like below?
Yes, please. > > I'm not sure about that, as it would prevent sparse from checking the > actual BUG_ON code we're using, vs the generic version which we never > use on 64-bit. Is there a smatch specific macro we could check? There isn't a Smatch define. This shouldn't affect Sparse at all unless there was a bug in the WARN_ON() macro. regards, dan carpenter