lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

x86, apic: Fix missed handling of discrete apics

Browse Source 
In case of discrete (pretty old) apics we may have cpu_has_apic bit
not set but have to check if smp_found_config (MP spec) is there
and apic was not disabled.

Also don't forget to print apic/io-apic for such case as well.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <20090915071230.GA10604@lenovo>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Cyrill Gorcunov
2009-09-15 11:12:30 +04:00
committed by Ingo Molnar
parent efc8f7419e
commit 8312136fa8
3 changed files with 16 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/kernel/apic/apic.c
View File

@@ -978,7 +978,7 @@ void lapic_shutdown(void)
{
unsigned long flags;
if (!cpu_has_apic)
if (!cpu_has_apic && !apic_from_smp_config())
return;
local_irq_save(flags);