1 files changed, 0 insertions, 9 deletions

diff --git a/kernel/cpu.c b/kernel/cpu.c
index 6a374544d495..5644ec5582b9 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -527,18 +527,9 @@ static int _cpu_up(unsigned int cpu, int tasks_frozen)
                 goto out_notify;
         }
 
-        /*
-         * Some architectures have to walk the irq descriptors to
-         * setup the vector space for the cpu which comes online.
-         * Prevent irq alloc/free across the bringup.
-         */
-        irq_lock_sparse();
-
         /* Arch-specific enabling code. */
         ret = __cpu_up(cpu, idle);
 
-        irq_unlock_sparse();
-
         if (ret != 0)
                 goto out_notify;
         BUG_ON(!cpu_online(cpu));