I think the "tiny market segment" is wrong. Nvidia is aiming for a dominant position for mobile processors. A functional relationship with the Linux kernel community becomes increasingly important and while Linus may not be the most diplomatic of sorts, they do need to address that kind of direct telling off if they want to appear as a viable partner ofr handset manufacturers.

I run cron script to regularly check my ssh and other service logs for attempted logins with unathorized users. all these have their ips added to my firewall blocklist. Also, pf has some nice features for checking for bruteforce attempts.. can be very helpful :) In 17 Days, I've had a bit more than 500,000 connection attempts matching this ruleset..