Am Montag, den 04.11.2019, 22:44 +0100 schrieb Greg Kroah-Hartman:
All the host controllers capable of SuperSpeed operation can
handle fully general SG;
Since commit ea44d190764b ("usbip: Implement SG support to
vhci-hcd and stub driver") was merged, the USB/IP driver can
also handle SG.
Not in 4.9.x. AFAICT the same story as 4.4.x
The patch is not strictly needed, but breaks UAS over usbip.