linux-kernel - Re: [RFC v1 2/3] luo: dev_liveupdate: Add device live update infrastructure

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Message-ID: <2025032054-voltage-compactly-7774@gregkh>
Date: Thu, 20 Mar 2025 13:51:37 -0700
From: Greg KH <gregkh@...uxfoundation.org>
To: Pasha Tatashin <pasha.tatashin@...een.com>
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Subject: Re: [RFC v1 2/3] luo: dev_liveupdate: Add device live update
 infrastructure

On Thu, Mar 20, 2025 at 02:03:10PM -0400, Pasha Tatashin wrote:
> I absolutely agree that demonstrating a real use case is important.
> However, this is a complicated project that involves changes in many
> parts of the kernel, and we can't deliver everything in one large
> patchset; it has to be divided and addressed incrementally.

Ok, but then don't expect us to be able to actually review it in any
sane way, sorry.

Think about it from our side, what would you want to see if you had to
review this type of thing?  Remember, some of us get hundreds of things
to review a week, we don't have context for each and every new feature,
and your project does not have the "trust" in that we would even
consider taking anything without any real user both in the kernel and in
public userspace code.

Breaking up changes in a way that is acceptable upstream is a tough
task, usually harder than the original engineering effort to create the
feature in the first place.  But in the end, the result is a better
solution as it will evolve and change along the way based on reviews and
requirements from the different subsystems.

good luck!

greg k-h