Topics in live kernel patching

Getting live-patching capabilities into the mainline kernel has been a multi-year process. Basic patching support was merged for the 4.0 release, but further work has been stalled over disagreements on how the consistency model — the code ensuring that a patch is safe to apply to a running kernel — should work. The addition of kernel stack validation has addressed the biggest of the objections, so, arguably, it is time to move forward. At the 2016 Linux Plumbers Conference, developers working on live patching got together to discuss current challenges and future directions.

Click below (subscribers only) for the full report from LPC 2016.

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