X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fsmp.c;h=0564571dcdf726fab6832bf91417dfe2eff372fb;hb=d5adf7e2db897f9d4a00be59262875ae5d9574f4;hp=449b707fc20ddc3439a203546354564448aacfb7;hpb=bb8c4701704d81ef98657dc51adb99aa5a0c5ac9;p=pandora-kernel.git

diff --git a/kernel/smp.c b/kernel/smp.c
index 449b707fc20d..0564571dcdf7 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -48,10 +48,13 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu)
 				cpu_to_node(cpu)))
 			return notifier_from_errno(-ENOMEM);
 		if (!zalloc_cpumask_var_node(&cfd->cpumask_ipi, GFP_KERNEL,
-				cpu_to_node(cpu)))
+				cpu_to_node(cpu))) {
+			free_cpumask_var(cfd->cpumask);
 			return notifier_from_errno(-ENOMEM);
+		}
 		cfd->csd = alloc_percpu(struct call_single_data);
 		if (!cfd->csd) {
+			free_cpumask_var(cfd->cpumask_ipi);
 			free_cpumask_var(cfd->cpumask);
 			return notifier_from_errno(-ENOMEM);
 		}
@@ -572,8 +575,10 @@ EXPORT_SYMBOL(on_each_cpu);
  *
  * If @wait is true, then returns once @func has returned.
  *
- * You must not call this function with disabled interrupts or
- * from a hardware interrupt handler or from a bottom half handler.
+ * You must not call this function with disabled interrupts or from a
+ * hardware interrupt handler or from a bottom half handler.  The
+ * exception is that it may be used during early boot while
+ * early_boot_irqs_disabled is set.
  */
 void on_each_cpu_mask(const struct cpumask *mask, smp_call_func_t func,
 			void *info, bool wait)
@@ -582,9 +587,10 @@ void on_each_cpu_mask(const struct cpumask *mask, smp_call_func_t func,
 
 	smp_call_function_many(mask, func, info, wait);
 	if (cpumask_test_cpu(cpu, mask)) {
-		local_irq_disable();
+		unsigned long flags;
+		local_irq_save(flags);
 		func(info);
-		local_irq_enable();
+		local_irq_restore(flags);
 	}
 	put_cpu();
 }