Linus Torvalds has officially announced the release of Linux 6.9-rc1, marking the end of the merge window for this version. As usual, the update brings a ton of changes, with a significant portion attributed to AMD GPU header files. But let’s not get bogged down by the sheer volume of these updates; the real excitement lies in the core improvements that promise to enhance the kernel’s performance. Two major updates steal the spotlight in this release: the timer subsystem and the workqueue subsystem. The timer subsystem has undergone a substantial rewrite, introducing per-CPU timer wheels. This enhancement is poised to… [Continue Reading]