On Mon, Apr 6, 2026 at 1:36 PM Christoph Hellwig <[email protected]> wrote: > > On Thu, Apr 02, 2026 at 05:26:03PM +0800, Yafang Shao wrote: > > Livepatching allows for rapid experimentation with new kernel features > > without interrupting production workloads. > > Myabe it allows, or based on the rest of the mail not quite. But that > is certainly not the intent at all, the intent is to fix critical > bugs without downtime. > > > However, static livepatches lack > > the flexibility required to tune features based on task-specific attributes, > > such as cgroup membership, which is critical in multi-tenant k8s > > environments. Furthermore, hardcoding logic into a livepatch prevents > > dynamic adjustments based on the runtime environment. > > > > To address this, we propose a hybrid approach using BPF. Our production use > > case involves: > > > > 1. Deploying a Livepatch function to serve as a stable BPF hook. > > > > 2. Utilizing bpf_override_return() to dynamically modify the return value > > of that hook based on the current task's context. > > Whol f**. now. Is this a delayed April 1st post?
You're already in my spam list. Don't expect any further replies. Feel free to keep your verbose rubbish to yourself. -- Regards Yafang
