ACPI: acpi_enforce_resource=strict by default
authorLuca Tettamanti <kronos.it@gmail.com>
Sun, 29 Mar 2009 22:01:27 +0000 (00:01 +0200)
committerLen Brown <len.brown@intel.com>
Thu, 2 Apr 2009 22:57:46 +0000 (18:57 -0400)
commit7e90560c50f754d65884e251e94c1efa2a4b5784
tree97ae68b0ae4edaebf3de66716759fc09a97deff6
parent8e0ee43bc2c3e19db56a4adaa9a9b04ce885cd84
ACPI: acpi_enforce_resource=strict by default

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>
Documentation/kernel-parameters.txt
drivers/acpi/osl.c