From: Matthew Garrett <mjg@redhat.com>
To: Len Brown <lenb@kernel.org>
Cc: Luca Tettamanti <kronos.it@gmail.com>,
Thomas Renninger <trenn@suse.de>,
linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org,
Hans de Goede <hdegoede@redhat.com>,
khali@linux-fr.org
Subject: Re: [PATCH] ACPI: add "auto" to acpi_enforce_resources
Date: Wed, 4 Feb 2009 06:05:13 +0000 [thread overview]
Message-ID: <20090204060513.GA28321@srcf.ucam.org> (raw)
In-Reply-To: <alpine.LFD.2.00.0902040042570.9833@localhost.localdomain>
On Wed, Feb 04, 2009 at 12:52:06AM -0500, Len Brown wrote:
> While it is slightly off-topic of the (I agree, real)
> technical issue here, note that polling is not "normal" on ACPI systems.
> [1] was on SuSE Linux 10.0, which on their own decided to
> over-ride the kernel and enable thermal zone polling by default.
Checking the DSDTs I have to hand, it seems that polling is expected on
about 5% of systems via an explicit _TZP and on almost all machines via
_TSP. Even on systems where thermal notifications are provided, it's
still up to the OS to poll the zone to find the current temperature and
take appropriate action. There's still a window for native smbus drivers
to screw everything up.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2009-02-04 6:05 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-25 21:05 [PATCH] ACPI: add "auto" to acpi_enforce_resources Luca Tettamanti
2009-01-26 8:37 ` Hans de Goede
2009-01-29 10:30 ` Thomas Renninger
2009-01-29 15:16 ` Luca Tettamanti
2009-01-29 16:29 ` Thomas Renninger
2009-01-29 18:58 ` Hans de Goede
2009-01-29 21:31 ` Jean Delvare
2009-01-30 14:29 ` Thomas Renninger
2009-02-01 21:22 ` Luca Tettamanti
2009-02-02 9:11 ` Jean Delvare
2009-02-02 11:38 ` Luca Tettamanti
2009-02-02 17:22 ` [PATCH 1/2] RFC: ACPI: Interface for ACPI drivers to place quirk code which gets executed early Thomas Renninger
2009-02-02 17:22 ` Thomas Renninger
2009-02-02 20:22 ` Luca Tettamanti
2009-02-03 13:08 ` Thomas Renninger
2009-02-03 13:45 ` Luca Tettamanti
2009-02-03 13:45 ` Luca Tettamanti
2009-02-03 14:19 ` Jean Delvare
2009-02-04 13:37 ` Thomas Renninger
2009-02-02 17:22 ` [PATCH 2/2] RFC: ACPI: Set enforce_resources to strict if a ATK0110 device is found in namespace Thomas Renninger
2009-02-02 17:22 ` Thomas Renninger
2009-02-02 20:29 ` Luca Tettamanti
2009-02-02 11:38 ` [PATCH] ACPI: add "auto" to acpi_enforce_resources Thomas Renninger
2009-01-29 21:15 ` Luca Tettamanti
2009-02-04 5:52 ` Len Brown
2009-02-04 6:05 ` Matthew Garrett [this message]
2009-02-04 8:37 ` Hans de Goede
2009-02-04 13:17 ` Matthew Garrett
2009-02-04 13:26 ` Jean Delvare
2009-02-04 14:20 ` Matthew Garrett
2009-02-10 13:57 ` Jean Delvare
2009-02-10 14:08 ` Matthew Garrett
2009-02-10 15:32 ` Hans de Goede
2009-02-10 16:24 ` Jean Delvare
2009-02-27 13:27 ` Pavel Machek
2009-03-24 12:39 ` Luca Tettamanti
2009-03-24 13:21 ` Hans de Goede
2009-03-24 13:43 ` Jean Delvare
2009-03-24 14:29 ` Hans de Goede
2009-03-29 20:16 ` Luca Tettamanti
2009-03-29 20:33 ` Pavel Machek
2009-03-29 20:55 ` Jean Delvare
2009-03-29 22:01 ` Luca Tettamanti
2009-03-30 7:36 ` Jean Delvare
2009-04-02 22:59 ` Len Brown
2009-04-03 9:40 ` Jean Delvare
2009-02-12 12:44 ` Jean Delvare
2009-04-02 22:45 ` polling (Re: [PATCH] ACPI: add "auto" to acpi_enforce_resources) Len Brown
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