linux-kernel - Re: [PATCH 0/1] User space notifications about VM cloning

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Message-ID: <2023062827-hatchet-await-50dd@gregkh>
Date:   Wed, 28 Jun 2023 13:47:20 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     "Jason A. Donenfeld" <Jason@...c4.com>
Cc:     Alexander Graf <graf@...zon.de>,
        Babis Chalios <bchalios@...zon.es>,
        Theodore Ts'o <tytso@....edu>, linux-kernel@...r.kernel.org,
        mzxreary@...inter.de, xmarcalx@...zon.co.uk,
        Amit Shah <amit@...nel.org>
Subject: Re: [PATCH 0/1] User space notifications about VM cloning

On Wed, Jun 28, 2023 at 01:36:51PM +0200, Jason A. Donenfeld wrote:
> On Wed, Jun 28, 2023 at 1:22 PM Greg KH <gregkh@...uxfoundation.org> wrote:
> >
> > On Wed, Jun 28, 2023 at 01:13:40PM +0200, Alexander Graf wrote:
> > > Hi folks,
> > >
> > > On 16.06.23 17:07, Babis Chalios wrote:
> > > > Hello all,
> > > >
> > > > Some time has passed since I sent this. Any comments/thoughts?
> > >
> > >
> > > Can we please get this merged somehow? Greg, any advise?
> > >
> > > This is purely a device notification event to user space, similar to network
> > > link change events and the likes and has nothing to do with Jason's
> > > envisioned random reseed event exposure. We can happily send RFC patches for
> > > the latter after this is merged too.
> >
> > Sure, I can take it, but it's the middle of the merge window and it's
> > too late for anything new right now, sorry.
> >
> > I'll pick it up after 6.5-rc1 is out.
> 
> Please do *NOT* do that. I'm still unconvinced that this isn't just a
> subset of the vmclone work that needs to be done in conjunction with
> the RNG, and I'd like to get those recent virtio patches merged first
> before we move onto this, so we can see where this fits in
> holistically. I would not be happy if this got merged prematurely.

Ok, will hold off on this until you all work it out.  The changelog text
discusses entropy, so it makes sense that this looks like it is related
to this topic.

thanks,

greg k-h