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Message-ID: <1517840309.31953.153.camel@infradead.org>
Subject: Re: [tip:x86/pti] x86/speculation: Use Indirect Branch Prediction
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From:   David Woodhouse <dwmw2@infradead.org>
To:     mingo@kernel.org, hpa@zytor.com, tim.c.chen@linux.intel.com,
        linux-kernel@vger.kernel.org, tglx@linutronix.de, luto@kernel.org,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-mm <linux-mm@kvack.org>
In-Reply-To: <tip-18bf3c3ea8ece8f03b6fc58508f2dfd23c7711c7@git.kernel.org>
References: <1517263487-3708-1-git-send-email-dwmw@amazon.co.uk>
         <tip-18bf3c3ea8ece8f03b6fc58508f2dfd23c7711c7@git.kernel.org>
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Date:   Mon, 05 Feb 2018 14:18:29 +0000
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On Tue, 2018-01-30 at 14:39 -0800, tip-bot for Tim Chen wrote:
> Thanks to the reviewers and Andy Lutomirski for the suggestion of
> using ctx_id which got rid of the problem of mm pointer recycling.

That one doesn't backport well to 4.9. Suggestions welcome.
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