Re: [PATCH 0/3] automation: build qemu-system-aarch64 and use it for tests

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Wed, 6 Jan 2021, Wei Liu wrote:
> On Tue, Jan 05, 2021 at 02:58:38PM -0800, Stefano Stabellini wrote:
> > Hi all,
> > 
> > Currently we are using Debian's qemu-system-aarch64 for our tests.
> > However, sometimes it crashes. See for instance
> > https://gitlab.com/xen-project/people/andyhhp/xen/-/jobs/939556527. It
> > is hard to debug and even harder to apply any fixes to it.
> > 
> > Instead, build our own QEMU as one of our test-artifacts, which are only
> > built once, then imported into each pipeline via phony jobs. Use the
> > provided qemu-system-aarch64 binary for our arm64 tests.
> > 
> > 
> > Stefano Stabellini (3):
> >       automation: add qemu-system-aarch64 to test-artifacts
> >       automation: add a job to import qemu-system-aarch64 into the pipeline
> >       automation: use test-artifacts/qemu-system-aarch64 instead of Debian's
> 
> Acked-by: Wei Liu <wl@xxxxxxx>
> 
> I do wonder if there is a way to not build QEMU during every pipeline
> run though...

It does not build QEMU every pipeline! It only imports it into the
pipeline by copying the QEMU binary from a container. The container with
the QEMU binary is not built every time. We could build it once a month
or so like the build containers.