On Wed, Apr 05, 2017 at 03:51:14PM +0200, Bjørn Mork wrote: >Steve McIntyre <st...@einval.com> writes: > >> In Linaro we're making a lot of use of USB-over-IP devices these days >> for our testing lab. We've hit a (very small!) limit defined in kernel >> config for the number of virtual host controllers and the ports >> allowed per controller. >> >> Currently these are defaulting to >> >> CONFIG_USBIP_VHCI_HC_PORTS=8 >> (can be 1 <= CONFIG_USBIP_VHCI_HC_PORTS <= 31) >> >> and >> CONFIG_USBIP_VHCI_NR_HCS=1 >> (can be 1 <= CONFIG_USBIP_VHCI_NR_HCS <= 128) >> >> The normal limits are very small; could you please raise these to >> (say) 31 and 8 for us? There will obviously be a small increase in >> memory usage in the kernel, but only for users of these particular >> devices. > >FWIW, I believe those constants never should have been accepted. But I >just gave up after getting this answer: >http://www.spinics.net/lists/linux-usb/msg134862.html > >"Because it is easy to implement." was obviously more important than >easy to use... I don't think distro users were considered.
ACK. :-/ >If you care about these limits, then I think you should look into what >needs to be done to make them dynamic. I cannot imagine that it is all >that difficult. Which of course is easy to say when you don't actually >plan on doing the work :) Hmmm. I'd love to help , but not *right* now - I've already got a stack of things to do to help get Debian Stretch released! -- Steve McIntyre, Cambridge, UK. st...@einval.com Getting a SCSI chain working is perfectly simple if you remember that there must be exactly three terminations: one on one end of the cable, one on the far end, and the goat, terminated over the SCSI chain with a silver-handled knife whilst burning *black* candles. --- Anthony DeBoer
