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authorPaul Mackerras <paulus@samba.org>2006-12-04 15:59:07 +1100
committerPaul Mackerras <paulus@samba.org>2006-12-04 15:59:07 +1100
commit79acbb3ff2d8095b692e1502b9eb2ccec348de26 (patch)
tree6ab773e5a8f9de2cd6443362b21d0d6fffe3b35e /arch/x86_64/kernel/smpboot.c
parent19a79859e168640f8e16d7b216d211c1c52b687a (diff)
parent2b5f6dcce5bf94b9b119e9ed8d537098ec61c3d2 (diff)
Merge branch 'linux-2.6' into for-linus
Diffstat (limited to 'arch/x86_64/kernel/smpboot.c')
-rw-r--r--arch/x86_64/kernel/smpboot.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index 7b7a6870288..62c2e747af5 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -581,12 +581,16 @@ void __cpuinit start_secondary(void)
* smp_call_function().
*/
lock_ipi_call_lock();
+ spin_lock(&vector_lock);
+ /* Setup the per cpu irq handling data structures */
+ __setup_vector_irq(smp_processor_id());
/*
* Allow the master to continue.
*/
cpu_set(smp_processor_id(), cpu_online_map);
per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE;
+ spin_unlock(&vector_lock);
unlock_ipi_call_lock();
cpu_idle();
@@ -799,7 +803,6 @@ static int __cpuinit do_boot_cpu(int cpu, int apicid)
cpu, node);
}
-
alternatives_smp_switch(1);
c_idle.idle = get_idle_for_cpu(cpu);
@@ -1246,8 +1249,10 @@ int __cpu_disable(void)
local_irq_disable();
remove_siblinginfo(cpu);
+ spin_lock(&vector_lock);
/* It's now safe to remove this processor from the online map */
cpu_clear(cpu, cpu_online_map);
+ spin_unlock(&vector_lock);
remove_cpu_from_maps();
fixup_irqs(cpu_online_map);
return 0;