svn commit: r278773 - head/sys/dev/netmap

[Luigi Rizzo]

Author: luigi
Date: Sat Feb 14 18:59:31 2015
New Revision: 278773
URL: https://svnweb.freebsd.org/changeset/base/278773

Log:
  whitespace change:
  clarify the role of MAKEDEV_ETERNAL_KLD, and remove an old
  #ifdef __FreeBSD__ since the code is valid on all platforms.

Modified:
  head/sys/dev/netmap/netmap.c

Modified: head/sys/dev/netmap/netmap.c
==============================================================================
--- head/sys/dev/netmap/netmap.c	Sat Feb 14 18:57:02 2015	(r278772)
+++ head/sys/dev/netmap/netmap.c	Sat Feb 14 18:59:31 2015	(r278773)
@@ -3071,16 +3071,14 @@ netmap_init(void)
 	error = netmap_mem_init();
 	if (error != 0)
 		goto fail;
-	/* XXX could use make_dev_credv() to get error number */
-#ifdef __FreeBSD__
-	/* support for the 'eternal' flag */
+	/*
+	 * MAKEDEV_ETERNAL_KLD avoids an expensive check on syscalls
+	 * when the module is compiled in.
+	 * XXX could use make_dev_credv() to get error number
+	 */
 	netmap_dev = make_dev_credf(MAKEDEV_ETERNAL_KLD,
 		&netmap_cdevsw, 0, NULL, UID_ROOT, GID_WHEEL, 0600,
 			      "netmap");
-#else
-	netmap_dev = make_dev(&netmap_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600,
-			      "netmap");
-#endif
 	if (!netmap_dev)
 		goto fail;