9p: trans_fd, read rework to use p9_parse_header

[karo-tx-linux.git] / kernel / cpu.c

diff --git a/kernel/cpu.c b/kernel/cpu.c
index 6a374544d495f1ff7b7f5bfd03fd798e30144a7e..5644ec5582b93a600accc90c9211c618cd3735fb 100644 (file)
--- 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));