diff options
| author |   Cyrill Gorcunov <gorcunov@openvz.org> | 2009-08-26 21:13:24 +0400 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2009-08-26 20:26:23 +0200 |
| commit | d3a247bfb2c26f5b67367d58af7ad8c2efbbc6c1 (patch) | |
| tree | a96567e0934844870718f638616abccb4ac52785 /arch/x86/kernel/apic | |
| parent | x86, ioapic: Get rid of needless check and simplify ioapic_setup_resources() (diff) | |
| download | linux-dev-d3a247bfb2c26f5b67367d58af7ad8c2efbbc6c1.tar.xz linux-dev-d3a247bfb2c26f5b67367d58af7ad8c2efbbc6c1.zip | |
x86, apic: Slim down stack usage in early_init_lapic_mapping()
As far as I see there is no external poking of mp_lapic_addr in
this procedure which could lead to unpredited changes and
require local storage unit for it. Lets use it plain forward.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <20090826171324.GC4548@lenovo>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/apic')
| -rw-r--r-- | arch/x86/kernel/apic/apic.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 3fc3a6c428da..159740decc41 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -1562,8 +1562,6 @@ no_apic: #ifdef CONFIG_X86_64 void __init early_init_lapic_mapping(void) { - unsigned long phys_addr; - /* * If no local APIC can be found then go out * : it means there is no mpatable and MADT @@ -1571,11 +1569,9 @@ void __init early_init_lapic_mapping(void) if (!smp_found_config) return; - phys_addr = mp_lapic_addr; - - set_fixmap_nocache(FIX_APIC_BASE, phys_addr); + set_fixmap_nocache(FIX_APIC_BASE, mp_lapic_addr); apic_printk(APIC_VERBOSE, "mapped APIC to %16lx (%16lx)\n", - APIC_BASE, phys_addr); + APIC_BASE, mp_lapic_addr); /* * Fetch the APIC ID of the BSP in case we have a |