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Bug#1070494: Bits on the linux live-patching project

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Hello there,

We would like to give a short update about the linux live-patching
project, to give a couple of news that we have since the Toulouse
MiniDebConf 2024 talk.

# The future of kpatch

We have become aware of some challenges with our initial plan to rely on
kpatch, a tool that can build livepatch modules from a given patch, and
we are looking for alternatives. Our proof-of-concepts (PoCs) have
worked so far with the bookworm's 6.1 kernel. However trixie's kernel
will have CONFIG_X86_KERNEL_IBT enabled, and kpatch is unable to fully
support it.

As kpatch developers suggest [kpatch#1320], we (especially Emmanuel) are
exploring how to integrate klp-build into our plans.

[kpatch#1320] https://github.com/dynup/kpatch/issues/1320

# Communication channels

As agreed by the kernel team in the November 20th 2024 meeting, we are
happy to say that, for the moment, we may use the kernel team mailing
list for communicating progress (as these bits) and to discuss anything
related about the project. We are also available to exchange on the
#debian-kernel IRC channel @ OFTC.

Thus, if you have any questions, please don't hesitate to reach out
there.  Thanks to the kernel team!

Until the next update,

Emmanuel & Santiago

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Bug#1070494: ITP: linux-livepatching -- linux livepatching module for Debian Santiago Ruano Rincón <santiagorr@riseup.net> - 2024-05-06 13:50 +0200
  Bug#1070494: Bits on the linux live-patching project Santiago Ruano Rincón <santiagorr@riseup.net> - 2025-02-23 17:30 +0100

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