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Linux Kernel 4.9 Gets Its First Point Released, Updates Drivers and Filesystems

Yes, we’re talking about Linux kernel 4.9.1, the first of many maintenance updates to the Linux 4.9 kernel branch, which is now officially declared stable and ready for production. It’s also a major release that changes a total of 103 files, with 813 insertions and 400 deletions, according to the appended shortlog. Among the changes, we can notice that there are many updated drivers and filesystems. These include for CLK, CPUFreq, Crypto, MD, NVM Express (NVMe), watchdog, Xen, and USB devices, as well as Btrfs, CIFS, EXT4, F2FS, and XFS filesystems. The rest of patch consists of some mm, arch, sound, and core kernel fixes.