On Wed, 2024-10-02 at 09:05 -0500, Noah Goldstein wrote:
> On Wed, Oct 2, 2024 at 3:08 AM Ilya Leoshkevich <i...@linux.ibm.com>
> wrote:
> > 
> > On Fri, 2024-08-30 at 15:36 -0700, Noah Goldstein wrote:
> > > The new option '-qemu-children' makes it so that on `execve` the
> > > child
> > > process will be launch by the same `qemu` executable that is
> > > currently
> > > running along with its current commandline arguments.
> > > 
> > > The motivation for the change is to make it so that plugins
> > > running
> > > through `qemu` can continue to run on children.  Why not just
> > > `binfmt`?: Plugins can be desirable regardless of
> > > system/architecture
> > > emulation, and can sometimes be useful for elf files that can run
> > > natively. Enabling `binfmt` for all natively runnable elf files
> > > may
> > > not be desirable.
> > 
> > Another reason to have this is that one may not have root
> > permissions
> > to configure binfmt-misc.
> > 
> +1
> 
> > There was a similar patch posted to the mailing list some years
> > back,
> > which I used to cherry-pick when I needed this. I'm not sure what
> > happened to that discussion though.
> 
> Yes(ish):
> https://patchwork.ozlabs.org/project/qemu-devel/patch/1455515507-26877-1-git-send-email-petros...@resin.io/

Thanks for finding this! Don't we need the shebang handling here as
well?

Laurent, do you per chance know why was it not accepted back
then?Unfortunately I cannot find any discussion associated with v3 or
v4
[1]. There were some concerns regarding v1 [2], but from what I can see
they all were addressed.

[1]
https://patchew.org/QEMU/20200730160106.16613-1-rj.bcje...@gmail.com/
[2]
https://patchwork.kernel.org/project/qemu-devel/patch/1453091602-21843-1-git-send-email-petros...@gmail.com/

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