nit

fc210467 · rsc · 818fc012 · fc210467
--- a/proc.c
+++ b/proc.c
@@ -202,16 +202,14 @@ scheduler(void)
      // Switch to chosen process.  It is the process's job
      // to release proc_table_lock and then reacquire it
      // before jumping back to us.
-      setupsegs(p);
      cp = p;
+      setupsegs(p);
      p->state = RUNNING;
      swtch(&cpus[cpu()].context, &p->context);
      // Process is done running for now.
      // It should have changed its p->state before coming back.
      cp = 0;
      setupsegs(0);
    }