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From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Thu, 8 Feb 2018 12:02:31 -0800
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Subject: Re: [linus:master] BUILD REGRESSION a2e5790d841658485d642196dbb0927303d6c22f
To: Peter Zijlstra <peterz@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>,
        kbuild test robot <fengguang.wu@intel.com>,
        Ingo Molnar <mingo@kernel.org>, Thomas Gleixner <tglx@linutronix.de>,
        LKML <linux-kernel@vger.kernel.org>,
        "the arch/x86 maintainers" <x86@kernel.org>,
        Arjan van de Ven <arjan@linux.intel.com>
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On Thu, Feb 8, 2018 at 11:44 AM, Peter Zijlstra <peterz@infradead.org> wrote:
>
> OK, here's the patch.. It leaves the UD0 in traps.c such that people
> could recompile their kernel with a simple change.

Ack, that seems about the best we can do.

              Linus