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Message-ID: <20100601190455.GA14237@aftab>
Date: Tue, 1 Jun 2010 21:04:55 +0200
From: Borislav Petkov <borislav.petkov@....com>
To: Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
Thomas Gleixner <tglx@...utronix.de>
CC: x86 <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86, smpboot: Fix cores per node printing on boot
Percpu initialization happens now after booting the cores on the machine
and this causes them all to be displayed as belonging to node 0:
Jun 8 05:57:21 kepek kernel: [ 0.106999] Booting Node 0, Processors #1 #2 #3 #4 #5 #6 #7 #8 #9 #10 #11 #12 #13 #14 #15 #16 #17 #18 #19 #20 #21 #22 #23 Ok.
Use early_cpu_to_node() to get the correct node of each core instead.
Signed-off-by: Borislav Petkov <borislav.petkov@....com>
---
arch/x86/kernel/smpboot.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 37462f1..c4f33b2 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -686,7 +686,7 @@ static void __cpuinit do_fork_idle(struct work_struct *work)
static void __cpuinit announce_cpu(int cpu, int apicid)
{
static int current_node = -1;
- int node = cpu_to_node(cpu);
+ int node = early_cpu_to_node(cpu);
if (system_state == SYSTEM_BOOTING) {
if (node != current_node) {
--
1.6.4.4
--
Regards/Gruss,
Boris.
Operating Systems Research Center
Advanced Micro Devices, Inc.
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