Re: [RFC PATCH 0/2] livepatch: Add support for hybrid mode

[Song Liu]

On Mon, Feb 3, 2025 at 1:45 AM Yafang Shao <laoar.shao@xxxxxxxxx> wrote:
[...]
>
> If you’re managing a large fleet of servers, this issue is far from negligible.
>
> >
> > > Can you provide examples of companies that use atomic replacement at
> > > scale in their production environments?
> >
> > At least SUSE uses it as a solution for its customers. No many problems
> > have been reported since we started ~10 years ago.

We (Meta) always use atomic replacement for our live patches.

>
> Perhaps we’re running different workloads.
> Going back to the original purpose of livepatching: is it designed to address
> security vulnerabilities, or to deploy new features?
> If it’s the latter, then there’s definitely a lot of room for improvement.

We only use KLP to fix bugs and security vulnerabilities. We do not use
live patches to deploy new features.

Thanks,
Song