linux-kernel - Re: [linux-pm] linux-next: Tree for Feb 8 [ smp|cpufreq: WARNING: at kernel/smp.c:245 smp_call_function

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Date:	Fri, 8 Feb 2013 16:21:39 +0100
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Stephen Rothwell <sfr@...b.auug.org.au>, x86@...nel.org,
	linux-kernel@...r.kernel.org,
	Linux ACPI <linux-acpi@...r.kernel.org>,
	Hillf Danton <dhillf@...il.com>, linux-next@...r.kernel.org,
	Linux PM List <linux-pm@...ts.linux-foundation.org>,
	Chuansheng Liu <chuansheng.liu@...el.com>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: [linux-pm] linux-next: Tree for Feb 8 [ smp|cpufreq: WARNING: at
 kernel/smp.c:245 smp_call_function_single ]

On Fri, Feb 8, 2013 at 3:56 PM, Viresh Kumar <viresh.kumar@...aro.org> wrote:
> On Fri, Feb 8, 2013 at 8:18 PM, Sedat Dilek <sedat.dilek@...il.com> wrote:
>> Nah, I pulled in latest pm-next where this commit is new...
>>
>> commit 8d5666f3456f2fd4a4e5dced228475b829851e53
>> "ACPI: Unbind ACPI drv when probe failed"
>>
>> ...building with it.
>>
>> Same to you, say concretely which commit is fixing what...
>>
>> Pull-N-B-Happy was never my strategy... I want to understand what went
>> wrong and have stolen my time.
>
> I don't have any pointers to broken tree and so can't point you to the culprit,
> but it was this patch:
>
> http://git.linaro.org/gitweb?p=people/vireshk/linux.git;a=commit;h=e034e731f4d9d18ad0401f033f485a3096796c58
>
> minus
>
> the patch i sent you as attachment.
>
> There were some locking introduced around init/exit of cpufreq_driver, which
> caused some drivers to break. Its fixed now in the above commit.

Hmm, this "high-patch-maths" is not user-friendly!

I will pull-in your tree into Linux-Next (next-20130208) and see if it
applies cleanly.

- Sedat -
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