Date: Wed, 21 Dec 2005 14:51:57 +0100
From: Voluspa <lista1@telia.com>
To: Linus Torvalds <torvalds@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Linux 2.6.15-rc6
Message-Id: <20051221145157.72887fa4.lista1@telia.com>
In-Reply-To: <Pine.LNX.4.64.0512202131000.4827@g5.osdl.org>
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	<Pine.LNX.4.64.0512202131000.4827@g5.osdl.org>
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On Tue, 20 Dec 2005 21:33:28 -0800 (PST) Linus Torvalds wrote:
[...]
> But it might make sense to open a bugzilla entry so that it doesn't get 
> lost.

http://bugzilla.kernel.org/show_bug.cgi?id=5767

For anyone stumbling into this problem, lacking git experience, here's
a 1/10-revert patch that gives me back the former functionality. It
behaves exactly as in 2.6.14 with regards to C1 usage and thermal_zone
temperatures etc.

diff -Nur linux-2.6.15-rc6-clean/drivers/acpi/processor_idle.c linux-2.6.15-rc6-c1fix/drivers/acpi/processor_idle.c
--- linux-2.6.15-rc6-clean/drivers/acpi/processor_idle.c	2005-12-21 13:29:12.000000000 +0100
+++ linux-2.6.15-rc6-c1fix/drivers/acpi/processor_idle.c	2005-12-21 13:39:04.000000000 +0100
@@ -893,7 +893,7 @@
 	for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) {
 		if (pr->power.states[i].valid) {
 			pr->power.count = i;
-			if (pr->power.states[i].type >= ACPI_STATE_C2)
+			if (pr->power.states[i].type >= ACPI_STATE_C1)
 				pr->flags.power = 1;
 		}
 	}

Mvh
Mats Johannesson
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