Re: [GIT PULL] ring-buffer: Updates for 6.11

[Mathieu Desnoyers]

On 2024-07-16 16:11, Steven Rostedt wrote:
> On Tue, 16 Jul 2024 16:05:26 -0400
> Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> wrote:
>
> > On 2024-07-16 15:51, Steven Rostedt wrote:
> > > Linus,
> > >
> > > tracing/ring-buffer: Have persistent buffer across reboots
> >
> > Hi Steven,
> >
> > Perhaps I'm missing something here, but we discussed previously that
> > you would document the fact that users of this feature are expected
> > to run the same kernel before/after reboot.
> >
> > Looking at this PR, I fail to find that documentation, or in fact
> > any documentation at all. Is this something that was overlooked ?
>
> Hmm, was that for this code, or the one that used the reserved_mem
> change, which isn't in this pull request, as it depends on the code
> that is going through the mm tree.
>
> Technically it can work with different kernels (I have even done that).
> But yeah, it isn't guaranteed to work in such cases. But that is just a
> documentation update.

If the documentation just ends up being in a different PR, I have no
objection.

Thanks,

Mathieu


--
Mathieu Desnoyers
EfficiOS Inc.
https://www.efficios.com