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Message-ID: <20170223175648.mfebqqg2b5qbfe2r@pd.tnic>
Date:   Thu, 23 Feb 2017 18:56:48 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Jiri Olsa <jolsa@...hat.com>, Steven Rostedt <rostedt@...dmis.org>,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
        linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
        Josh Triplett <josh@...htriplett.org>,
        Andi Kleen <andi@...stfloor.org>,
        Jan Stancek <jstancek@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [BUG] msr-trace.h:42 suspicious rcu_dereference_check() usage!

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.

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