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From: "Daniel P. Berrangé" <berrange@redhat.com>
To: Daniele Buono <dbuono@linux.vnet.ibm.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>, qemu-devel@nongnu.org
Subject: Re: [PATCH v2 0/2] gitlab-ci.yml: Add jobs to test CFI
Date: Wed, 3 Mar 2021 10:04:03 +0000	[thread overview]
Message-ID: <YD9fE623LlgncsVw@redhat.com> (raw)
In-Reply-To: <4c72d19e-9df6-d9fa-e8c8-f199307e9454@linux.vnet.ibm.com>

On Tue, Mar 02, 2021 at 04:01:17PM -0500, Daniele Buono wrote:
> On 3/2/2021 11:40 AM, Daniel P. Berrangé wrote:
> > The CFI protection is something I'd say is relevant to virtualization
> > use cases, not to emulation use cases
> > 
> >     https://qemu-project.gitlab.io/qemu/system/security.html
> > 
> > IOW, the targets that are important to test are the ones where KVM
> > is available.
> > 
> > So that's  s390x, ppc, x86, mips, and arm.
> > 
> > I think we can probably ignore mips as that's fairly niche.
> > We can also reasonably limit ourselves to only test the 64-bit
> > variants of the target, on the basis that 32-bit is increasingly
> > legacy/niche too.
> > 
> > So that gives us  ppc64le, x86_64, aarch64 and s390x as the
> > targets we should get CI coverage for CFI.
> 
> Thanks Daniel,
> I'll start working on a V3 that only contains those 4 targets, probably in
> two sets of build/check/acceptance to maintain the jobs below the hour mark.
> 
> These would still be x86 binaries that are not testing KVM, however,
> because of the capabilities of the shared gitlab runners.

Yes, that's fine.

> I see that there's some work from Cleber Rosa to allow running custom jobs
> on aarch64 and s390x systems. I think that, when the infrastructure is
> ready, having a KVM-based CFI test there would help a lot in terms of
> coverage for those architectures.

Yep, that should be possible.

Regards,
Daniel
-- 
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      reply	other threads:[~2021-03-03 10:05 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-26 15:21 [PATCH v2 0/2] gitlab-ci.yml: Add jobs to test CFI Daniele Buono
2021-02-26 15:21 ` [PATCH v2 1/2] gitlab-ci.yml: Allow custom # of parallel linkers Daniele Buono
2021-02-26 15:21 ` [PATCH v2 2/2] gitlab-ci.yml: Add jobs to test CFI flags Daniele Buono
2021-03-01 10:06 ` [PATCH v2 0/2] gitlab-ci.yml: Add jobs to test CFI Daniel P. Berrangé
2021-03-01 14:59   ` Daniele Buono
2021-03-01 15:08     ` Daniel P. Berrangé
2021-03-01 20:39       ` Daniele Buono
2021-03-02 10:30         ` Daniel P. Berrangé
2021-03-02 13:18           ` Daniele Buono
2021-03-02 15:38             ` Daniel P. Berrangé
2021-03-02 16:31               ` Daniele Buono
2021-03-02 16:40                 ` Daniel P. Berrangé
2021-03-02 21:01                   ` Daniele Buono
2021-03-03 10:04                     ` Daniel P. Berrangé [this message]

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