ACPI: acpi_enforce_resource=strict by default

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Enforce strict resource checking - disallowing access by native
drivers to IO ports and memory regions claimed by ACPI firmware.

The patch is mainly aimed to block native hwmon drivers from touching
monitoring chips that ACPI thinks it own.

If this causes a regression, boot with "acpi_enforce_resources=lax"
which was the previous default.

http://bugzilla.kernel.org/show_bug.cgi?id=12376
http://bugzilla.kernel.org/show_bug.cgi?id=12541

Signed-off-by: Luca Tettamanti <kronos.it@gmail.com>
Acked-by: Pavel Machek <pavel@suse.cz>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Len Brown <len.brown@intel.com>

...

This commit is contained in:

Luca Tettamanti 2009-03-30 00:01:27 +02:00 • committed by Len Brown

parent 8e0ee43bc2

commit 7e90560c50

2 changed files with 19 additions and 3 deletions

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16

Documentation/kernel-parameters.txt

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6

drivers/acpi/osl.c

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