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Date: Thu, 23 Feb 2017 18:56:48 +0100
From: Borislav Petkov <bp@alien8.de>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Jiri Olsa <jolsa@redhat.com>, Steven Rostedt <rostedt@goodmis.org>,
        "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
        linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
        Josh Triplett <josh@joshtriplett.org>,
        Andi Kleen <andi@firstfloor.org>, Jan Stancek <jstancek@redhat.com>,
        Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [BUG] msr-trace.h:42 suspicious rcu_dereference_check() usage!
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On Thu, Feb 23, 2017 at 06:28:01PM +0100, Peter Zijlstra wrote:
> I think Boris and Thomas were talking about moving the entire c1e
> detection out of there.

Yeah, see

07c94a381253 ("x86/amd: Simplify AMD E400 aware idle routine")

tglx and I got rid of reading that MSR in the idle routine.

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.