Merge branch 'linus' into core/percpu

Conflicts:
	arch/x86/kernel/setup_percpu.c

arch/x86/kernel/tlb_uv.c

@@ -201,6 +201,7 @@ static int uv_wait_completion(struct bau_desc *bau_desc,
 				destination_timeouts = 0;
 			}
 		}
+		cpu_relax();
 	}
 	return FLUSH_COMPLETE;
 }