From owner-svn-src-head@freebsd.org  Sat Sep 30 09:59:33 2017
Return-Path: <owner-svn-src-head@freebsd.org>
Delivered-To: svn-src-head@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 37F90E236C7;
 Sat, 30 Sep 2017 09:59:33 +0000 (UTC) (envelope-from kib@FreeBSD.org)
Received: from repo.freebsd.org (repo.freebsd.org
 [IPv6:2610:1c1:1:6068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 0539868A24;
 Sat, 30 Sep 2017 09:59:32 +0000 (UTC) (envelope-from kib@FreeBSD.org)
Received: from repo.freebsd.org ([127.0.1.37])
 by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id v8U9xWWc069217;
 Sat, 30 Sep 2017 09:59:32 GMT (envelope-from kib@FreeBSD.org)
Received: (from kib@localhost)
 by repo.freebsd.org (8.15.2/8.15.2/Submit) id v8U9xW3V069216;
 Sat, 30 Sep 2017 09:59:32 GMT (envelope-from kib@FreeBSD.org)
Message-Id: <201709300959.v8U9xW3V069216@repo.freebsd.org>
X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org
 using -f
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Sat, 30 Sep 2017 09:59:32 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r324113 - head/usr.sbin/cpucontrol
X-SVN-Group: head
X-SVN-Commit-Author: kib
X-SVN-Commit-Paths: head/usr.sbin/cpucontrol
X-SVN-Commit-Revision: 324113
X-SVN-Commit-Repository: base
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.23
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head/>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 30 Sep 2017 09:59:33 -0000

Author: kib
Date: Sat Sep 30 09:59:32 2017
New Revision: 324113
URL: https://svnweb.freebsd.org/changeset/base/324113

Log:
  Allow to disable default microcode updates search path with the new
  '-n' option.
  
  Look for updates in the default locations only after user-supplied
  locations are tried.
  
  If newer microcode files are put into non-standard path, both measures
  allow to avoid situation where older update loaded from the default
  path first, and then the second update is applied from non-standard
  path.  Applying intermediate updates might be undesirable.
  
  Sponsored by:	The FreeBSD Foundation
  MFC after:	1 week

Modified:
  head/usr.sbin/cpucontrol/cpucontrol.c

Modified: head/usr.sbin/cpucontrol/cpucontrol.c
==============================================================================
--- head/usr.sbin/cpucontrol/cpucontrol.c	Fri Sep 29 23:47:23 2017	(r324112)
+++ head/usr.sbin/cpucontrol/cpucontrol.c	Sat Sep 30 09:59:32 2017	(r324113)
@@ -60,6 +60,7 @@ int	verbosity_level = 0;
 #define	FLAG_I	0x01
 #define	FLAG_M	0x02
 #define	FLAG_U	0x04
+#define	FLAG_N	0x08
 
 #define	OP_INVAL	0x00
 #define	OP_READ		0x01
@@ -427,11 +428,7 @@ main(int argc, char *argv[])
 	error = 0;
 	cmdarg = "";	/* To keep gcc3 happy. */
 
-	/*
-	 * Add all default data dirs to the list first.
-	 */
-	datadir_add(DEFAULT_DATADIR);
-	while ((c = getopt(argc, argv, "d:hi:m:uv")) != -1) {
+	while ((c = getopt(argc, argv, "d:hi:m:nuv")) != -1) {
 		switch (c) {
 		case 'd':
 			datadir_add(optarg);
@@ -444,6 +441,9 @@ main(int argc, char *argv[])
 			flags |= FLAG_M;
 			cmdarg = optarg;
 			break;
+		case 'n':
+			flags |= FLAG_N;
+			break;
 		case 'u':
 			flags |= FLAG_U;
 			break;
@@ -463,6 +463,8 @@ main(int argc, char *argv[])
 		usage();
 		/* NOTREACHED */
 	}
+	if ((flags & FLAG_N) == 0)
+		datadir_add(DEFAULT_DATADIR);
 	dev = argv[0];
 	c = flags & (FLAG_I | FLAG_M | FLAG_U);
 	switch (c) {