linux-kernel - Re: [lm-sensors] Could the k8temp driver be interfering with ACPI?

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Message-Id: <20070222173711.9364695b.khali@linux-fr.org>
Date:	Thu, 22 Feb 2007 17:37:11 +0100
From:	Jean Delvare <khali@...ux-fr.org>
To:	Dave Jones <davej@...hat.com>
Cc:	Chuck Ebbert <cebbert@...hat.com>, linux-acpi@...r.kernel.org,
	linux-kernel <linux-kernel@...r.kernel.org>,
	lm-sensors@...sensors.org, notting@...hat.com
Subject: Re: [lm-sensors] Could the k8temp driver be interfering with ACPI?

On Wed, 21 Feb 2007 15:19:44 -0500, Dave Jones wrote:
> Ah, Fedora has this horror in its initscripts (which explains why I missed
> it in my grep)..
> 
> # Initialize ACPI bits
> if [ -d /proc/acpi ]; then
>     for module in /lib/modules/$unamer/kernel/drivers/acpi/* ; do
>         module=${module##*/}
>         module=${module%.ko}
>         modprobe $module >/dev/null 2>&1
>     done
> fi

Ah, this also explains why the i2c_ec and sbs drivers were loaded on
Chuck's system, although they were not needed.

> This is there because there's no clean way for userspace to know whether
> to load the system specific stuff right now.   Bill Nottingham pointed
> out that we could add a /sys/class/dmi/modalias and appropriate MODULE_DMI
> tags to the various modules like asus_acpi to make udev autoload them.

Something similiar should be doable for i2c_ec, as it's only useful if a
given ACPI object is present. sbs, in turn, is only useful if i2c_ec is
loaded.

-- 
Jean Delvare
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