[$] The rest of the 5.10 merge window

Linus Torvalds released5.10-rc1 and closed the 5.10 merge window on October 25; by that time, 13,903 non-merge changesets hadbeen pulled into the mainline repository. Of those, over 6,700 were mergedsince LWN's summary of the first half ofthe merge window. A fair number of interesting features found their wayinto the kernel among those commits; read on to catch up with what's comingin 5.10.