Commit 5b743573 authored by Shaohua Li's avatar Shaohua Li Committed by Linus Torvalds

[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: default avatarAndi Kleen <ak@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent e25db98d
......@@ -499,13 +499,10 @@ static int lapic_resume(struct sys_device *dev)
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);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment