---

yaml
---
r: 312367
b: refs/heads/master
c: 3b6f70f
h: refs/heads/master
i:
  312365: 8893678
  312363: 7b34910
  312359: f7f6995
  312351: b602c90
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8efdfc3a4ed009c978dab6609d15fb958e7cff12
+refs/heads/master: 3b6f70fd7dd4e19fc674ec99e389bf0da5589525

trunk/arch/x86/kernel/smpboot.c

@@ -255,22 +255,13 @@ notrace static void __cpuinit start_secondary(void *unused)
 	check_tsc_sync_target();
 
 	/*
-	 * We need to hold call_lock, so there is no inconsistency
-	 * between the time smp_call_function() determines number of
-	 * IPI recipients, and the time when the determination is made
-	 * for which cpus receive the IPI. Holding this
-	 * lock helps us to not include this cpu in a currently in progress
-	 * smp_call_function().
-	 *
 	 * We need to hold vector_lock so there the set of online cpus
 	 * does not change while we are assigning vectors to cpus.  Holding
 	 * this lock ensures we don't half assign or remove an irq from a cpu.
 	 */
-	ipi_call_lock();
 	lock_vector_lock();
 	set_cpu_online(smp_processor_id(), true);
 	unlock_vector_lock();
-	ipi_call_unlock();
 	per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE;
 	x86_platform.nmi_init();
 

trunk/arch/x86/xen/smp.c

@@ -80,9 +80,7 @@ static void __cpuinit cpu_bringup(void)
 
 	notify_cpu_starting(cpu);
 
-	ipi_call_lock();
 	set_cpu_online(cpu, true);
-	ipi_call_unlock();
 
 	this_cpu_write(cpu_state, CPU_ONLINE);