diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2024-05-09 19:00:38 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-05-10 15:45:15 +0200 |
| commit | 88f5ed7017897bc3108463e75e3b4828032a3992 (patch) | |
| tree | 1d155866026dc00400fe880de86e0d4bbe57fd69 /hw/usb | |
| parent | 0973996fe47bfca8f0bf552728e36682d642c9cc (diff) | |
| download | qemu-88f5ed7017897bc3108463e75e3b4828032a3992.zip qemu-88f5ed7017897bc3108463e75e3b4828032a3992.tar.gz qemu-88f5ed7017897bc3108463e75e3b4828032a3992.tar.bz2 | |
xen: register legacy backends via xen_backend_init
It is okay to register legacy backends in the middle of xen_bus_init().
All that the registration does is record the existence of the backend
in xenstore.
This makes it possible to remove them from the build without introducing
undefined symbols in xen_be_init(). It also removes the need for the
backend_register callback, whose only purpose is to avoid registering
nonfunctional backends.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240509170044.190795-8-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/usb')
| -rw-r--r-- | hw/usb/xen-usb.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/hw/usb/xen-usb.c b/hw/usb/xen-usb.c index 09ec326..416623f 100644 --- a/hw/usb/xen-usb.c +++ b/hw/usb/xen-usb.c @@ -1083,7 +1083,7 @@ static void usbback_event(struct XenLegacyDevice *xendev) qemu_bh_schedule(usbif->bh); } -struct XenDevOps xen_usb_ops = { +static struct XenDevOps xen_usb_ops = { .size = sizeof(struct usbback_info), .flags = DEVOPS_FLAG_NEED_GNTDEV, .init = usbback_init, @@ -1095,15 +1095,9 @@ struct XenDevOps xen_usb_ops = { .event = usbback_event, }; -#else /* USBIF_SHORT_NOT_OK */ - -static int usbback_not_supported(void) +static void xen_usb_register_backend(void) { - return -EINVAL; + xen_be_register("qusb", &xen_usb_ops); } - -struct XenDevOps xen_usb_ops = { - .backend_register = usbback_not_supported, -}; - +xen_backend_init(xen_usb_register_backend); #endif |