linux-kernel - Re: Bug in patch "x86/pti: Add the pti= cmdline option and documentation"

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Message-ID: <alpine.DEB.2.20.1712221743370.1853@nanos>
Date:   Fri, 22 Dec 2017 17:43:50 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Juergen Gross <jgross@...e.com>
cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Borislav Petkov <bp@...e.de>
Subject: Re: Bug in patch "x86/pti: Add the pti= cmdline option and
 documentation"

On Fri, 22 Dec 2017, Juergen Gross wrote:

> The patch in the tip tree with commit 506bcdf68b07a0335751e1fe8be37
> ("x86/pti: Add the pti= cmdline option and documentation") is completely
> wrong: cmdline_find_option() will return -1 in case the otion isn't
> found and the len of the argument in case it has been found.

AArgh .....