x86, acpi: Skip acpi x2apic entries if the x2apic feature is not present

Browse source

If the x2apic feature is not present (either the cpu is not capable of it
or the user has disabled the feature using boot-parameter etc), ignore the
x2apic MADT and SRAT entries provided by the ACPI tables.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/20111222014632.540896503@sbsiddha-desk.sc.intel.com
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

...

This commit is contained in:

Yinghai Lu 2011-12-21 17:45:16 -08:00 • committed by H. Peter Anvin

parent e8524b2f43

commit a35fd28256

2 changed files with 14 additions and 3 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

10

arch/x86/kernel/acpi/boot.c

View file

7

arch/x86/mm/srat.c

View file