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[Qemu-devel] [PATCH] Print a warning message if the user specified a leg


From: Thomas Huth
Subject: [Qemu-devel] [PATCH] Print a warning message if the user specified a legacy USB option
Date: Tue, 2 May 2017 09:53:17 +0200

'-usb' and '-usbdevice' are considered as deprecated nowadays and
we might want to remove these options in a future version of QEMU.
So print out a warning if they are used and tell the user what to
use instead.

Signed-off-by: Thomas Huth <address@hidden>
---
 vl.c | 4 ++++
 1 file changed, 4 insertions(+)

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




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