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| author | Yinghai Lu | 2010-12-07 09:55:17 +0100 |
|---|---|---|
| committer | Thomas Gleixner | 2010-12-09 21:52:04 +0100 |
| commit | c0104d38a740b25662c592c71f6907676510289c (patch) | |
| tree | 35a8ab1ec51b3614e2a42ca5f373075161c9eeeb /arch/x86/kernel/apic/apic.c | |
| parent | Merge branch 'x86/platform' into x86/apic-cleanups (diff) | |
| download | kernel-qcow2-linux-c0104d38a740b25662c592c71f6907676510289c.tar.gz kernel-qcow2-linux-c0104d38a740b25662c592c71f6907676510289c.tar.xz kernel-qcow2-linux-c0104d38a740b25662c592c71f6907676510289c.zip | |
x86, apic: Unify identical register_lapic_address() functions
They are the same, move the common function to apic.c to allow
further cleanups.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Len Brown <lenb@kernel.org>
LKML-Reference: <4CFDF675.4060305@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/apic/apic.c')
| -rw-r--r-- | arch/x86/kernel/apic/apic.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index c48a64510844..c02bf135de9d 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -1702,6 +1702,18 @@ void __init init_apic_mappings(void) } } +void __init register_lapic_address(unsigned long address) +{ + mp_lapic_addr = address; + + set_fixmap_nocache(FIX_APIC_BASE, address); + if (boot_cpu_physical_apicid == -1U) { + boot_cpu_physical_apicid = read_apic_id(); + apic_version[boot_cpu_physical_apicid] = + GET_APIC_VERSION(apic_read(APIC_LVR)); + } +} + /* * This initializes the IO-APIC and APIC hardware if this is * a UP kernel. |