From: Yinghai Lu <yhlu.kernel@gmail.com>
To: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, Yinghai Lu <yhlu.kernel@gmail.com>
Subject: [PATCH] x86: print local APIC of APs one by one
Date: Sun, 17 Aug 2008 00:56:06 -0700 [thread overview]
Message-ID: <1218959766-13653-1-git-send-email-yhlu.kernel@gmail.com> (raw)
instead of print that of all APs at the time
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
---
arch/x86/kernel/io_apic.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
Index: linux-2.6/arch/x86/kernel/io_apic.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/io_apic.c
+++ linux-2.6/arch/x86/kernel/io_apic.c
@@ -1784,7 +1784,12 @@ __apicdebuginit(void) print_local_APIC(v
__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)
next reply other threads:[~2008-08-17 7:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-17 7:56 Yinghai Lu [this message]
2008-08-17 12:37 ` [PATCH] x86: print local APIC of APs one by one Ingo Molnar
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