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From: Thomas Gleixner <tglx@linutronix.de>
To: Pavel Machek <pavel@ucw.cz>
Cc: Len Brown <lenb@kernel.org>,
	x86@kernel.org, linux-kernel@vger.kernel.org,
	Len Brown <len.brown@intel.com>
Subject: Re: [PATCH 2/5] x86: remove idle_notifier
Date: Wed, 7 Dec 2016 12:46:12 +0100 (CET)	[thread overview]
Message-ID: <alpine.DEB.2.20.1612071243410.3448@nanos> (raw)
In-Reply-To: <20161206165420.GA4406@amd>

On Tue, 6 Dec 2016, Pavel Machek wrote:
> > From: Len Brown <len.brown@intel.com>
> > 
> > Upon removal of the i7300_idle driver, the idle_notifer is unused.
> 
> Actually... do we want to keep this this one? There's "cpu is loaded"
> led trigger, which is implemented on arm but not on x86.
> 
> I tried to patch process.c, but this would be easier (and does not
> require new hooks).
> 
> Does that make sense?

No. Notifiers are crap.

I assume this LED thing is just for entertainment purposes as I cannot
figure out why it would be useful. ARM has it does not qualify as useful.

Thanks,

	tglx

  reply	other threads:[~2016-12-07 11:49 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-18  6:23 [PATCH 0/5] x86: remove idle notifier Len Brown
2016-11-18  6:23 ` [PATCH 1/5] i7300_idle: remove this driver Len Brown
2016-11-18  6:23   ` [PATCH 2/5] x86: remove idle_notifier Len Brown
2016-11-18 11:19     ` [tip:x86/idle] x86/idle: Remove idle_notifier tip-bot for Len Brown
2016-12-06 16:54     ` [PATCH 2/5] x86: remove idle_notifier Pavel Machek
2016-12-07 11:46       ` Thomas Gleixner [this message]
2016-12-07 13:40         ` Pavel Machek
2016-12-08  9:18           ` Thomas Gleixner
2016-12-08 22:05             ` Pavel Machek
2016-12-08 22:53               ` Thomas Gleixner
2016-11-18  6:23   ` [PATCH 3/5] x86: remove is_idle flag Len Brown
2016-11-18 11:20     ` [tip:x86/idle] x86/idle: Remove " tip-bot for Len Brown
2016-11-18  6:23   ` [PATCH 4/5] x86: remove x86_test_and_clear_bit_percpu() Len Brown
2016-11-18 11:20     ` [tip:x86/idle] x86: Remove x86_test_and_clear_bit_percpu() tip-bot for Len Brown
2016-11-18  6:23   ` [PATCH 5/5] x86: remove enter_idle(), exit_idle() Len Brown
2016-11-18 11:21     ` [tip:x86/idle] x86/idle: Remove " tip-bot for Len Brown
2016-11-18 11:19   ` [tip:x86/idle] i7300_idle: Remove this driver tip-bot for Len Brown
2016-11-18  8:17 ` [PATCH 0/5] x86: remove idle notifier Ingo Molnar

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