linux-kernel - Re: [patch 2/2] x86/mm/pti: Do not invoke PTI functions when PTI is disabled

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Message-ID: <7971eda3-5578-32ba-16a4-5268c01da9f0@intel.com>
Date:   Wed, 28 Aug 2019 08:47:53 -0700
From:   Dave Hansen <dave.hansen@...el.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        LKML <linux-kernel@...r.kernel.org>
Cc:     x86@...nel.org, Song Liu <songliubraving@...com>,
        Joerg Roedel <jroedel@...e.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Rik van Riel <riel@...riel.com>
Subject: Re: [patch 2/2] x86/mm/pti: Do not invoke PTI functions when PTI is
 disabled

On 8/28/19 7:24 AM, Thomas Gleixner wrote:
> Neither function should be called when PTI is runtime disabled. Make the
> invocation conditional.

Thanks for sending that out.  My impressions from a look through it
matched your changelog.

Reviewed-by: Dave Hansen <dave.hansen@...ux.intel.com>