The 5.4 kernel has been released

Linus has released the 5.4 kernel."Not a lot happened this last week, which is just how I likeit". Significant features in this release includethe haltpollCPU governor,the iocost (formerly io.weight) I/Ocontroller,the EROFS filesystem,an implementation of the exFAT filesystemthat may yet be superseded by a better version,the fs-verity file integrity mechanism,support for the BPFcompile once, run everywhere mechanism,the dm-clonedevice mapper target,the virtiofsfilesystem,kernel lockdown support (at last),kernel symbol namespaces, and a newrandom-number generator meant to solve theearly-boot entropy problem.See the KernelNewbies 5.4page for a lot more details.