On Thu, 11 Aug 2022 at 11:41, Michael Ellerman [off-list ref] wrote:

Anders Roxell [off-list ref] writes:

quoted

Clang warns:

arch/powerpc/mm/book3s64/radix_tlb.c:1191:23: error: variable 'hstart' is uninitialized when used here [-Werror,-Wuninitialized]
                                __tlbiel_va_range(hstart, hend, pid,
                                                  ^~~~~~
arch/powerpc/mm/book3s64/radix_tlb.c:1175:23: note: initialize the variable 'hstart' to silence this warning
                unsigned long hstart, hend;
                                    ^
                                     = 0
arch/powerpc/mm/book3s64/radix_tlb.c:1191:31: error: variable 'hend' is uninitialized when used here [-Werror,-Wuninitialized]
                                __tlbiel_va_range(hstart, hend, pid,
                                                          ^~~~
arch/powerpc/mm/book3s64/radix_tlb.c:1175:29: note: initialize the variable 'hend' to silence this warning
                unsigned long hstart, hend;
                                          ^
                                           = 0
2 errors generated.

Which version & config are you building?

clang-13, clang-14 and clang-nightly, configs are cell_defconfig and
maple_defconfig

I'm building with tuxmake [1] like this:
$ tuxmake --runtime podman --target-arch powerpc --toolchain clang-14
--kconfig cell_defconfig

Cheers,
Anders
[1] https://tuxmake.org/