QubesOS/qubes-issues#531pull/4/head
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vhci_get_frame_number is called really often for USB cameras and this message
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alone is responsible for major performance drop. Since the driver seems to
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function ok, simply disable the message for now.
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diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c
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index 7fbe19d..313a79b 100644
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--- a/drivers/usb/usbip/vhci_hcd.c
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+++ b/drivers/usb/usbip/vhci_hcd.c
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@@ -928,7 +928,7 @@ static void vhci_stop(struct usb_hcd *hcd)
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static int vhci_get_frame_number(struct usb_hcd *hcd)
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{
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- pr_err("Not yet implemented\n");
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+ //pr_err("Not yet implemented\n");
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return 0;
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}
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