The Linux 7.3-rc2 test kernel was released today, continuing development toward the stable v7.3 kernel expected in the second half of October. This release follows the conclusion of the Linux 7.3 merge window and includes numerous fixes and improvements, alongside a significant amount of material generated using AI/LLM technologies.
Linux 7.3-rc2 addresses early issues identified during testing of the initial Linux 7.3-rc1 kernel. Key changes include Cache Aware Scheduling misfit fixes for hybrid CPUs, intended to improve performance. A tree-wide cleanup was also implemented, migrating more `kmalloc()` calls to use `kmalloc_obj()` calls. The release also contains NVIDIA Blackwell display fixes for the Nouveau driver.
Security features have been adjusted, with RandStruct security now disabled by default if Rust support and a Rust compiler toolchain are present. Additionally, EDAC changes that were missed during the Linux 7.3 merge window have been incorporated. The kernel source tree comprises close to 41 million lines of code. Greg Kroah-Hartman, second-in-command, has warned that the Linux 7.3 cycle is proving challenging due to the volume of AI/LLM-generated contributions.
The Linux 7.3-rc2 kernel is available for download at kernel.org. A feature overview detailing all changes coming in the next Linux kernel version is also accessible.
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