From b848e0a07dd5a874821bb587bb724fac4aa45bad Mon Sep 17 00:00:00 2001
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Date: Tue, 28 Mar 2006 14:50:52 -0800
Subject: [PATCH] [PATCH] for_each_possible_cpu: ppc
for_each_cpu() actually iterates across all possible CPUs. We've had mistakes
in the past where people were using for_each_cpu() where they should have been
iterating across only online or present CPUs. This is inefficient and
possibly buggy.
We're renaming for_each_cpu() to for_each_possible_cpu() to avoid this in the
future.
This patch replaces for_each_cpu with for_each_possible_cpu.
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---
arch/ppc/kernel/setup.c | 2 +-
arch/ppc/kernel/smp.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c
index 7eb91a2e818a..1f79e84ab464 100644
--- a/arch/ppc/kernel/setup.c
+++ b/arch/ppc/kernel/setup.c
@@ -474,7 +474,7 @@ int __init ppc_init(void)
if ( ppc_md.progress ) ppc_md.progress(" ", 0xffff);
/* register CPU devices */
- for_each_cpu(i)
+ for_each_possible_cpu(i)
register_cpu(&cpu_devices[i], i, NULL);
/* call platform init */
diff --git a/arch/ppc/kernel/smp.c b/arch/ppc/kernel/smp.c
index e55cdda6149a..f77795a64dae 100644
--- a/arch/ppc/kernel/smp.c
+++ b/arch/ppc/kernel/smp.c
@@ -311,7 +311,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
/* Backup CPU 0 state */
__save_cpu_setup();
- for_each_cpu(cpu) {
+ for_each_possible_cpu(cpu) {
if (cpu == smp_processor_id())
continue;
/* create a process for the processor */
--
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