linux-kernel - Re: [PATCH] powerpc/kvm: Mark expected switch fall-through

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Message-ID: <20190823100550.GB11357@blackberry>
Date:   Fri, 23 Aug 2019 20:05:50 +1000
From:   Paul Mackerras <paulus@...abs.org>
To:     Paul Menzel <pmenzel@...gen.mpg.de>
Cc:     kvm-ppc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/kvm: Mark expected switch fall-through

On Tue, Jul 30, 2019 at 04:46:37PM +0200, Paul Menzel wrote:
> Date: Tue, 30 Jul 2019 10:53:10 +0200
> 
> Fix the error below triggered by `-Wimplicit-fallthrough`, by tagging
> it as an expected fall-through.
> 
>     arch/powerpc/kvm/book3s_32_mmu.c: In function ‘kvmppc_mmu_book3s_32_xlate_pte’:
>     arch/powerpc/kvm/book3s_32_mmu.c:241:21: error: this statement may fall through [-Werror=implicit-fallthrough=]
>           pte->may_write = true;
>           ~~~~~~~~~~~~~~~^~~~~~
>     arch/powerpc/kvm/book3s_32_mmu.c:242:5: note: here
>          case 3:
>          ^~~~
> 

Thanks, applied to my kvm-ppc-next branch.

Paul.