linux-kernel - Re: WARNING: CPU: 1 PID: 0 at arch/x86/mm/tlb.c:237 initialize_tlbstate_and

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Message-ID: <CALCETrWWqUHeDPmJWV2To367Fn2ZE9AeA=AY+wPLg92ROYdWpA@mail.gmail.com>
Date:   Sun, 10 Sep 2017 10:42:11 -0700
From:   Andy Lutomirski <luto@...nel.org>
To:     Paul Menzel <pmenzel@...gen.mpg.de>
Cc:     X86 ML <x86@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andy Lutomirski <luto@...nel.org>
Subject: Re: WARNING: CPU: 1 PID: 0 at arch/x86/mm/tlb.c:237 initialize_tlbstate_and_flush+0x120/0x130

On Sat, Sep 9, 2017 at 11:48 PM, Paul Menzel <pmenzel@...gen.mpg.de> wrote:
> Dear Linux folks,
>
>
> With Linux built from commit 4dfc2788033d (Merge tag 'iommu-updates-v4.14'
> of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu), I get the
> warning below on a Lenovo X60t with a 32-bit CPU.

Indeed.  I sent a patch this morning.  The warning is harmless -- the
warning condition has a typo.