From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35619) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d5Sq7-0002zN-OP for qemu-devel@nongnu.org; Tue, 02 May 2017 04:07:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d5Sq0-0007sS-8P for qemu-devel@nongnu.org; Tue, 02 May 2017 04:07:15 -0400 Received: from mx1.redhat.com ([209.132.183.28]:35988) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1d5Sq0-0007sC-2K for qemu-devel@nongnu.org; Tue, 02 May 2017 04:07:12 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1B8362C8300 for ; Tue, 2 May 2017 08:07:11 +0000 (UTC) From: Thomas Huth Date: Tue, 2 May 2017 10:07:00 +0200 Message-Id: <1493712420-22480-1-git-send-email-thuth@redhat.com> Subject: [Qemu-devel] [PATCH v2] Print a warning message if the user specified a legacy USB option List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, Gerd Hoffmann Cc: Paolo Bonzini '-usb' and '-usbdevice' are considered as deprecated nowadays and we might want to remove these options in a future version of QEMU. So mark this options as deprecated in the documenation and print out a warning if they are used to tell the user what to use instead. Signed-off-by: Thomas Huth --- v2: Also update the documentation accordingly qemu-options.hx | 8 +++++--- vl.c | 4 ++++ 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/qemu-options.hx b/qemu-options.hx index f68829f..57bacc5 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -946,12 +946,13 @@ STEXI ETEXI DEF("usb", 0, QEMU_OPTION_usb, - "-usb enable the USB driver (will be the default soon)\n", + "-usb enable the USB driver (if it is not used by default yet)\n", QEMU_ARCH_ALL) STEXI @item -usb @findex -usb -Enable the USB driver (will be the default soon) +Enable the USB driver (if it is not used by default yet). Note that this +option is deprecated, please use @code{-M usb=on} instead. ETEXI DEF("usbdevice", HAS_ARG, QEMU_OPTION_usbdevice, @@ -961,7 +962,8 @@ STEXI @item -usbdevice @var{devname} @findex -usbdevice -Add the USB device @var{devname}. @xref{usb_devices}. +Add the USB device @var{devname}. Note that this option is deperecated, +please use @code{-device usb-...} instead. See also @xref{usb_devices}. @table @option diff --git a/vl.c b/vl.c index 42d4bce..0023298 100644 --- a/vl.c +++ b/vl.c @@ -3748,10 +3748,14 @@ int main(int argc, char **argv, char **envp) } break; case QEMU_OPTION_usb: + error_report("'-usb' is deprecated, please use " + "'-M usb=on' instead"); olist = qemu_find_opts("machine"); qemu_opts_parse_noisily(olist, "usb=on", false); break; case QEMU_OPTION_usbdevice: + error_report("'-usbdevice' is deprecated, please use " + "'-device usb-...' instead"); olist = qemu_find_opts("machine"); qemu_opts_parse_noisily(olist, "usb=on", false); add_device_config(DEV_USB, optarg); -- 1.8.3.1