Speaker
Joe Lawrence
(Red Hat)
Description
The kernel already supports special livepatch relocation types enable several interesting livepatch modules use cases:
- Access to symbols outside of normal C scoping rules
- Deferred access to yet-to-be loaded kernel module symbols
- Support for architecture-specific special sections like altinstructions and paravirt instructions
Although the kernel supports loading livepatch modules with these features, there remains no easy in-kernel means of creating such relocation types. The klp-convert patchset adds this functionality to the kernel build system, reducing dependencies on out-of-tree livepatch build mechanisms.
Talk about the current state of the klp-convert patchset: what has been implemented, what is being worked on, and what issues are still outstanding.
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Primary author
Joe Lawrence
(Red Hat)
