[Xen-devel] [PATCH]x86: Remove redundant clear for cpu_online_map.

["Zhang, Xiantao" <xiantao.zhang@xxxxxxxxx>]

As Yunhong indicated, the second clear for cpu_online_map should be redundant, 
remove it. 

x86: Remove redundant clear for cpu_online_map.

Remove it, maybe caused by accident diff operation. 

Signed-off-by: Xiantao Zhang <xiantao.zhang@xxxxxxxxx>

diff -r b60379dad533 xen/arch/x86/smpboot.c
--- a/xen/arch/x86/smpboot.c    Fri Feb 05 13:57:20 2010 +0000
+++ b/xen/arch/x86/smpboot.c    Tue Mar 30 11:33:37 2010 +0800
@@ -1304,10 +1304,9 @@ int __cpu_disable(void)
 
        remove_siblinginfo(cpu);
 
+       /* It's now safe to remove this processor from the online map */
        cpu_clear(cpu, cpu_online_map);
        fixup_irqs();
-       /* It's now safe to remove this processor from the online map */
-       cpu_clear(cpu, cpu_online_map);
 
        cpu_disable_scheduler()

Xiantao

Attachment: remove-redundant-clear-cpu-online-map.patch
Description: remove-redundant-clear-cpu-online-map.patch

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