# ifdef out log() for a rainy day.  Also explain to the mystified what it
# is for.
Index: um/arch/um/kernel/mem_user.c
===================================================================
--- um.orig/arch/um/kernel/mem_user.c	2004-07-23 19:36:35.000000000 -0400
+++ um/arch/um/kernel/mem_user.c	2004-08-05 20:10:12.000000000 -0400
@@ -206,6 +206,12 @@
 	return(0);
 }
 
+#if 0
+/* Debugging facility for dumping stuff out to the host, avoiding the timing
+ * problems that come with printf and breakpoints.
+ * Enable in case of emergency.
+ */
+
 int logging = 1;
 int logging_fd = -1;
 
@@ -231,6 +237,7 @@
         va_end(ap);
         write(logging_fd, logging_buf, strlen(logging_buf));
 }
+#endif
 
 /*
  * Overrides for Emacs so that we follow Linus's tabbing style.