Re: [External] Re: [RFC 00/31] objtool, livepatch: Livepatch module generation

["A K M Fazla Mehrab ." <a.mehrab@xxxxxxxxxxxxx>]

Hi Josh,

On Thu, Sep 12, 2024 at 9:06 AM Song Liu <song@xxxxxxxxxx> wrote:
[...]
> > Red Hat (and Meta?) will start using it as soon as x86 support is ready,
> > because IBT/LTO support is needed, which kpatch-build can't handle.
>
> While we (Meta) do have a workaround in kpatch to build livepatch for
> kernels built with LTO, we will try to switch to this approach once
> the x86 support is ready.
>
> There are also other companies that would like to use LTO+livepatch
> combination.

We (ByteDance) would also like to try this approach as we are
interested in live patching LTO kernels.

Thanks,
Mehrab