1 What: /sys/bus/vmbus/devices/.../driver_override 2 Date: August 2019 3 Contact: Stephen Hemminger <sthemmin@microsoft.com> 4 Description: 5 This file allows the driver for a device to be specified which 6 will override standard static and dynamic ID matching. When 7 specified, only a driver with a name matching the value written 8 to driver_override will have an opportunity to bind to the 9 device. The override is specified by writing a string to the 10 driver_override file (echo uio_hv_generic > driver_override) and 11 may be cleared with an empty string (echo > driver_override). 12 This returns the device to standard matching rules binding. 13 Writing to driver_override does not automatically unbind the 14 device from its current driver or make any attempt to 15 automatically load the specified driver. If no driver with a 16 matching name is currently loaded in the kernel, the device 17 will not bind to any driver. This also allows devices to 18 opt-out of driver binding using a driver_override name such as 19 "none". Only a single driver may be specified in the override, 20 there is no support for parsing delimiters. 21
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