linux-kernel - Re: [PATCH 2/3] cpufreq: Create links for offline CPUs that got added earlier

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Message-ID: <CAJZ5v0ghdYavo6AQvga65w+8FMvm+8cx0C4-_xvF=a6gtPOuYQ@mail.gmail.com>
Date:	Thu, 23 Jul 2015 21:28:06 +0200
From:	"Rafael J. Wysocki" <rafael@...nel.org>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	Rafael Wysocki <rjw@...ysocki.net>,
	Lists linaro-kernel <linaro-kernel@...ts.linaro.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/3] cpufreq: Create links for offline CPUs that got added earlier

Hi Viresh,

On Thu, Jul 23, 2015 at 10:13 AM, Viresh Kumar <viresh.kumar@...aro.org> wrote:
> If subsys callback ->add_dev() is called for an offline CPU, before its
> policy is allocated, we will miss adding its sysfs symlink.
>
> Fix this by tracking such CPUs in a separate mask.
>
> Fixes: 9b07109f06a1 ("cpufreq: Fix double addition of sysfs links")
> Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>

No, we need to go to back to square one.

No fixes of fixes of fixes etc please.

Let me prepare a patch for -rc that won't introduce *new* problems and
we can make major changes as 4.3 material, OK?

Thanks,
Rafael
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