linux-kernel - Re: [PATCHv3, resend] powerpc: mm: radix

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Message-Id: <167686496037.2406274.4922238912170748440.b4-ty@ellerman.id.au>
Date:   Mon, 20 Feb 2023 14:49:20 +1100
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     nathan@...nel.org, ndesaulniers@...gle.com, mpe@...erman.id.au,
        Anders Roxell <anders.roxell@...aro.org>
Cc:     Christophe Leroy <christophe.leroy@...roup.eu>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        llvm@...ts.linux.dev, Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCHv3, resend] powerpc: mm: radix_tlb: rearrange the if-else block

On Wed, 10 Aug 2022 13:43:18 +0200, Anders Roxell wrote:
> 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.
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc: mm: radix_tlb: rearrange the if-else block
      https://git.kernel.org/powerpc/c/d78c8e32890ef7eca79ffd67c96022c7f9d8cce4

cheers