[PATCH] x86_64: lapic resume uses correct base address
uses correct lapic base address. The set_fixmap appears useless.
Signed-off-by: Shaohua Li<shaohua.li@intel.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c
index 8fdd089..5d3c5b0 100644
--- a/arch/x86_64/kernel/apic.c
+++ b/arch/x86_64/kernel/apic.c
@@ -499,13 +499,10 @@
if (!apic_pm_state.active)
return 0;
- /* XXX: Pavel needs this for S3 resume, but can't explain why */
- set_fixmap_nocache(FIX_APIC_BASE, APIC_DEFAULT_PHYS_BASE);
-
local_irq_save(flags);
rdmsr(MSR_IA32_APICBASE, l, h);
l &= ~MSR_IA32_APICBASE_BASE;
- l |= MSR_IA32_APICBASE_ENABLE | APIC_DEFAULT_PHYS_BASE;
+ l |= MSR_IA32_APICBASE_ENABLE | mp_lapic_addr;
wrmsr(MSR_IA32_APICBASE, l, h);
apic_write(APIC_LVTERR, ERROR_APIC_VECTOR | APIC_LVT_MASKED);
apic_write(APIC_ID, apic_pm_state.apic_id);