Commit 036999d5 authored Apr 20, 2006 by KAMEZAWA Hiroyuki Committed by Russell King Apr 20, 2006

[ARM] for_each_possible_cpu



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: Russell King <rmk+kernel@arm.linux.org.uk>

parent 1c97b73e

arch/arm/kernel/setup.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -807,7 +807,7 @@ static int __init topology_init(void)
		{
		int cpu;

		for_each_cpu(cpu)
		for_each_possible_cpu(cpu)
		register_cpu(&per_cpu(cpu_data, cpu).cpu, cpu, NULL);

		return 0;