On Wed, 2023-10-25 at 18:23 -0700, Stefano Stabellini wrote: > On Thu, 26 Oct 2023, David Woodhouse wrote: > > On Wed, 2023-10-25 at 14:24 -0700, Vikram Garhwal wrote: > > > From: Juergen Gross <jgr...@suse.com> > > > > > > Virtio devices should never be unplugged at boot time, as they are > > > similar to pci passthrough devices. > > > > > > Signed-off-by: Juergen Gross <jgr...@suse.com> > > > Signed-off-by: Vikram Garhwal <vikram.garh...@amd.com> > > > > Hm, do your virtio NICs still actually *work* after that? Or are they > > all disconnected from their netdev peers? > > > > I suspect you're going to want a variant of > > https://lore.kernel.org/qemu-devel/20231025145042.627381-19-dw...@infradead.org/T/#u > > which also leave the peers of your virtio devices intact? > > Hi David, device unplug is an x86-only thing (see the definition of > xen_emul_unplug in Linux under arch/x86/xen/platform-pci-unplug.c) I > suspect Vikram who is working on ARM hasn't tested it.
Ah, I had assumed there was something else coming along later which would make it actually get used. > Vikram, a simple option is to drop this patch if you don't need it. That works. Although I may revive it in that case.
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