Re: [PATCHv3, resend] powerpc: mm: radix_tlb: rearrange the if-else block
From: Anders Roxell
Date: Thu Aug 11 2022 - 08:35:59 EST
On Thu, 11 Aug 2022 at 11:41, Michael Ellerman <mpe@xxxxxxxxxxxxxx> wrote:
>
> Anders Roxell <anders.roxell@xxxxxxxxxx> writes:
> > 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/