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Re: [PATCH v2 for-7.2 0/6] Drop libslirp submodule


From: Thomas Huth
Subject: Re: [PATCH v2 for-7.2 0/6] Drop libslirp submodule
Date: Fri, 30 Sep 2022 19:27:53 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.13.0

On 30/09/2022 18.50, Christian Schoenebeck wrote:
On Mittwoch, 24. August 2022 17:11:16 CEST Thomas Huth wrote:
At the point in time we're going to release QEMU 7.2, all supported
host OS distributions will have a libslirp package available, so
there is no need anymore for us to ship the slirp submodule. Thus
let's clean up the related tests and finally remove the submodule now.

v2:
- Added patches to clean up and adapt the tests
- Rebased the removal patch to the latest version of the master branch

Thomas Huth (6):
   tests/docker: Update the debian-all-test-cross container to Debian 11
   tests/vm: Add libslirp to the VM tests
   tests/lcitool/libvirt-ci: Update the lcitool module to the latest
     version
   tests: Refresh dockerfiles and FreeBSD vars with lcitool
   tests/avocado: Do not run tests that require libslirp if it is not
     available
   Remove the slirp submodule (i.e. compile only with an external
     libslirp)

And I was wondering (bisecting) why network silently stopped working here.

While I understand the motivation for this change, it's probably not a user
friendly situation to just silently decease functionality. As slirp was the
default networking (i.e. not just some exotic QEMU feature), wouldn't it make
sense then to make missing libslirp a build-time error by default?

See discussion here:


a25c238b-dabd-bf20-9aee-7cda4e422536@redhat.com/">https://lore.kernel.org/qemu-devel/a25c238b-dabd-bf20-9aee-7cda4e422536@redhat.com/

and patch here:


20220929163237.1417215-1-marcandre.lureau@redhat.com/">https://lore.kernel.org/qemu-devel/20220929163237.1417215-1-marcandre.lureau@redhat.com/

 HTH,
  Thomas




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