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Re: [PATCH v2 3/3] tests/avocado: Test Xen guest support under KVM
From: |
David Woodhouse |
Subject: |
Re: [PATCH v2 3/3] tests/avocado: Test Xen guest support under KVM |
Date: |
Wed, 08 Mar 2023 19:07:40 +0000 |
User-agent: |
Evolution 3.44.4-0ubuntu1 |
On Wed, 2023-03-08 at 17:45 +0000, Alex Bennée wrote:
>
> David Woodhouse <dwmw2@infradead.org> writes:
>
> > From: David Woodhouse <dwmw@amazon.co.uk>
> >
> > Exercise guests with a few different modes for interrupt delivery. In
> > particular we want to cover:
> >
> > • Xen event channel delivery via GSI to the I/O APIC
> > • Xen event channel delivery via GSI to the i8259 PIC
> > • MSIs routed to PIRQ event channels
> > • GSIs routed to PIRQ event channels
> >
> > As well as some variants of normal non-Xen stuff like MSI to vAPIC and
> > PCI INTx going to the I/O APIC and PIC, which ought to still work even
> > in Xen mode.
> >
> > Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
> > ---
> > tests/avocado/xen_guest.py | 147 +++++++++++++++++++++++++++++++++++++
> > 1 file changed, 147 insertions(+)
> > create mode 100644 tests/avocado/xen_guest.py
> >
> > diff --git a/tests/avocado/xen_guest.py b/tests/avocado/xen_guest.py
> > new file mode 100644
> > index 0000000000..c50b52958f
> > --- /dev/null
> > +++ b/tests/avocado/xen_guest.py
> > @@ -0,0 +1,147 @@
> > +# Xen guest functional tests
> > +#
>
> Perhaps to avoid confusion we should call the file kvm_xen_guests.py and
> make it clearer in the comment this is the mode we are talking about.
> c.f. the boot_xen.py tests which boot Xen (under TCG emulation) as a
> proper hypervisor.
Ack. I'll change it.
> > +# Copyright © 2021 Red Hat, Inc.
> > +# Copyright © 2023 Amazon.com, Inc. or its affiliates. All Rights Reserved.
> > +#
> > +# Author:
> > +# David Woodhouse <dwmw2@infradead.org>
> > +#
> > +# This work is licensed under the terms of the GNU GPL, version 2 or
> > +# later. See the COPYING file in the top-level directory.
> > +import os
> > +
> > +from avocado import skipIf
> > +from avocado_qemu import LinuxTest
> > +
> > +@skipIf(os.getenv('GITLAB_CI'), 'Running on GitLab')
>
> This just means we will never have CI coverage. In theory when running
> on the GitLab shared runners the test should skip anyway when it can't
> find /dev/kvm and hopefully can run on our custom runners when it can
> see /dev/kvm.
>
That one was just cargo-culted from the Intel IOMMU test which I
started from. Happy to drop that if it's redundant.
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