x86: print local APIC of APs one by one
instead of print that of all APs at the time
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 5de2d38..bf0e66d 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -1777,7 +1777,12 @@
__apicdebuginit(void) print_all_local_APICs(void)
{
- on_each_cpu(print_local_APIC, NULL, 1);
+ int cpu;
+
+ preempt_disable();
+ for_each_online_cpu(cpu)
+ smp_call_function_single(cpu, print_local_APIC, NULL, 1);
+ preempt_enable();
}
__apicdebuginit(void) print_PIC(void)