1 files changed, 1 insertions, 4 deletions

diff --git a/arch/um/kernel/smp.c b/arch/um/kernel/smp.c
index e6a7778006ad..15bb54365779 100644
--- a/arch/um/kernel/smp.c
+++ b/arch/um/kernel/smp.c
@@ -95,7 +95,6 @@ static int idle_proc(void *cpup)
 static struct task_struct *idle_thread(int cpu)
 {
         struct task_struct *new_task;
-        unsigned char c;
 
         current->thread.request.u.thread.proc = idle_proc;
         current->thread.request.u.thread.arg = (void *) cpu;
@@ -108,9 +107,7 @@ static struct task_struct *idle_thread(int cpu)
                           { .pid =      new_task->thread.mode.tt.extern_pid,
                             .task =     new_task } );
         idle_threads[cpu] = new_task;
-        CHOOSE_MODE(os_write_file(new_task->thread.mode.tt.switch_pipe[1], &c,
-                                  sizeof(c)),
-                    ({ panic("skas mode doesn't support SMP"); }));
+        panic("skas mode doesn't support SMP");
         return new_task;
 }