linux-kernel - Re: 6ea8c546f3655 breaks thermal management on thinkpad x60 and t40p

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Message-ID: <CAJZ5v0i7KDDuQX0itjnuEpHCpb+JdOQVHNzzpv_v4BwwwbW2-Q@mail.gmail.com>
Date:   Mon, 14 Nov 2016 20:54:55 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Pavel Machek <pavel@....cz>, Robert Moore <Robert.Moore@...el.com>
Cc:     "Pandruvada, Srinivas" <srinivas.pandruvada@...el.com>,
        acpi_power-processor@...nel-bugs.osdl.org, rankincj@...oo.com,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Len Brown <lenb@...nel.org>, Lv <lv.zheng@...el.com>,
        regressions@...mhuis.info,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Zhang, Rui" <rui.zhang@...el.com>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "platform-driver-x86@...r.kernel.org" 
        <platform-driver-x86@...r.kernel.org>,
        "rjw@...ysocki.net" <rjw@...ysocki.net>,
        "viresh.kumar@...aro.org" <viresh.kumar@...aro.org>,
        "ibm-acpi-devel@...ts.sourceforge.net" 
        <ibm-acpi-devel@...ts.sourceforge.net>,
        "ibm-acpi@....eng.br" <ibm-acpi@....eng.br>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>
Subject: Re: 6ea8c546f3655 breaks thermal management on thinkpad x60 and t40p

On Mon, Nov 14, 2016 at 8:03 PM, Pavel Machek <pavel@....cz> wrote:
> Hi!
>
> Bisection was not fun, but I've got the result:
>
> # first bad commit: [6ea8c546f3655a81f82672f24b66dad6095bdd07] ACPICA:
> FADT support cleanup

Bob?

> I've reverted the patch on top of 4.9-rc4, and thermal management now works.
>
> More details are in https://bugzilla.kernel.org/show_bug.cgi?id=187311
>
> As this breaks thermal management on both thinkpad X60 and T40p, can
> I ask for a revert?
>
> If you have other ideas, I can test them, but as this is just a
> cleanup, it can wait for 4.10...

Right.

Besides, we're in the -rc6 time frame now, so I'll queue up a revert.

Thanks,
Rafael