Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=66fb8bd209926140844830762164a44afdbf44ef
Commit:     66fb8bd209926140844830762164a44afdbf44ef
Parent:     8b9909ded6922c33c221b105b26917780cfa497d
Author:     Russell King <[EMAIL PROTECTED]>
AuthorDate: Tue Mar 13 09:54:21 2007 +0000
Committer:  Russell King <[EMAIL PROTECTED]>
CommitDate: Tue Mar 13 09:54:21 2007 +0000

    [ARM] Fix breakage caused by 72486f1f8f0a2bc828b9d30cf4690cf2dd6807fc
    
    72486f1f8f0a2bc828b9d30cf4690cf2dd6807fc inverted the sense for
    enabling hotplug CPU controls without reference to any other
    architecture other than i386, ia64 and PowerPC.  This left
    everyone else without hotplug CPU control.
    
    Fix ARM for this brain damage.
    
    Signed-off-by: Russell King <[EMAIL PROTECTED]>
---
 arch/arm/kernel/setup.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 03e37af..0453dcc 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -839,8 +839,11 @@ static int __init topology_init(void)
 {
        int cpu;
 
-       for_each_possible_cpu(cpu)
-               register_cpu(&per_cpu(cpu_data, cpu).cpu, cpu);
+       for_each_possible_cpu(cpu) {
+               struct cpuinfo_arm *cpuinfo = &per_cpu(cpu_data, cpu);
+               cpuinfo->cpu.hotpluggable = 1;
+               register_cpu(&cpuinfo->cpu, cpu);
+       }
 
        return 0;
 }
-
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