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(parent: bf09cd2) | patch
x86, x2apic: Don't map lapic addr for preenabled x2apic systems
authorYinghai Lu <yinghai@kernel.org>
Tue, 7 Dec 2010 08:55:56 +0000 (00:55 -0800)
committerThomas Gleixner <tglx@linutronix.de>
Thu, 9 Dec 2010 20:52:05 +0000 (21:52 +0100)
commit43e2495b5f9a7c15be0891b6811c12487c3d0c42
treed29261955e8b9059ccd2cea268fe559460bdee57tree | snapshot
parentbf09cd2fe38186bb6eb18863a6f64e97741f5734commit | diff
x86, x2apic: Don't map lapic addr for preenabled x2apic systems

If x2apic is preenabled and used by the kernel, we don't need to map
the lapic address. That mapping will never be used.

So just skip that in register_lapic_address()

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
LKML-Reference: <4CFDF69C.9070501@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/kernel/apic/apic.c diff | blob | history
Linux Kernel Source Tree.