x86, x2apic: Don't map lapic addr for preenabled x2apic systems

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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>

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Yinghai Lu 2010-12-07 00:55:56 -08:00 • committed by Thomas Gleixner

parent 53301f36f3

commit 0450193bff

1 changed files with 5 additions and 3 deletions

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arch/x86/kernel/apic/apic.c

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