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Date:   Wed, 20 Jan 2021 10:37:38 +0000
From:   "Singh, Balbir" <sblbir@...zon.com>
To:     "lkp@...el.com" <lkp@...el.com>
CC:     "kbuild-all@...ts.01.org" <kbuild-all@...ts.01.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "x86@...nel.org" <x86@...nel.org>
Subject: Re:  [tip:x86/pti 4/5] arch/x86/mm/tlb.c:319:6: warning: variable
 'cpu' set but not used

On Sat, 2021-01-16 at 11:21 +0800, kernel test robot wrote:
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/pti
> head:   767d46ab566dd489733666efe48732d523c8c332
> commit: b6724f118d44606fddde391ba7527526b3cad211 [4/5] prctl: Hook L1D flushing in via prctl
> config: i386-randconfig-r026-20210115 (attached as .config)
> compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
> reproduce (this is a W=1 build):
>         # https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b6724f118d44606fddde391ba7527526b3cad211
>         git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
>         git fetch --no-tags tip x86/pti
>         git checkout b6724f118d44606fddde391ba7527526b3cad211
>         # save the attached .config to linux build tree
>         make W=1 ARCH=i386
>

There is a newer revision of the patches posted at 
 https://lore.kernel.org/lkml/20210108121056.21940-1-sblbir@amazon.com/T/

which should not have this problem/issue.

Balbir Singh.

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