linux-kernel - Re: [tip:x86/pti] BUILD SUCCESS WITH WARNING 767d46ab566dd489733666efe48732d523c8c332

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Message-ID: <20200917061220.GB31960@zn.tnic>
Date:   Thu, 17 Sep 2020 08:12:20 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     kernel test robot <lkp@...el.com>,
        "Li, Philip" <philip.li@...el.com>,
        Rong Chen <rong.a.chen@...el.com>
Cc:     x86-ml <x86@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [tip:x86/pti] BUILD SUCCESS WITH WARNING
 767d46ab566dd489733666efe48732d523c8c332

Hi guys,

On Thu, Sep 17, 2020 at 09:12:18AM +0800, kernel test robot wrote:
> tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git  x86/pti
> branch HEAD: 767d46ab566dd489733666efe48732d523c8c332  Documentation: Add L1D flushing Documentation
> 
> Warning in current branch:
> 
> arch/x86/mm/tlb.c:426:36: sparse:     expected void const [noderef] __percpu *__vpp_verify
> arch/x86/mm/tlb.c:426:36: sparse:     got bool *
> arch/x86/mm/tlb.c:426:36: sparse: sparse: incorrect type in initializer (different address spaces)
> 
> Warning ids grouped by kconfigs:
> 
> gcc_recent_errors
> `-- i386-randconfig-s002-20200916
>     |-- arch-x86-mm-tlb.c:sparse:expected-void-const-noderef-__percpu-__vpp_verify
>     |-- arch-x86-mm-tlb.c:sparse:got-bool
>     `-- arch-x86-mm-tlb.c:sparse:sparse:incorrect-type-in-initializer-(different-address-spaces)-expected-void-const-noderef-__percpu-__vpp_verify-got-bool

this is another worthless bug report:

* No .config attached

* no build command line to know how you run sparse. I'm guessing with
C=1. But I should not have to guess.

Pls fix.

Thx.

-- 
Regards/Gruss,
    Boris.

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