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Date: Fri, 21 Nov 2014 12:00:05 -0800
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Subject: Re: frequent lockups in 3.18rc4
From: Linus Torvalds <torvalds@linux-foundation.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Andy Lutomirski <luto@amacapital.net>,
        Steven Rostedt <rostedt@goodmis.org>, Tejun Heo <tj@kernel.org>,
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        Peter Zijlstra <peterz@infradead.org>,
        Frederic Weisbecker <fweisbec@gmail.com>,
        Don Zickus <dzickus@redhat.com>, Dave Jones <davej@redhat.com>,
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On Fri, Nov 21, 2014 at 11:51 AM, Thomas Gleixner <tglx@linutronix.de> wrote:
>
> This will break paravirt. set_pgd/set_pmd are paravirt functions.

I suspect we could use "set_pgd()" here instead of the direct access.
I didn't want to walk through all the levels to see exactly which
random op I needed to use.

                Linus