From: Ricardo Koller <ricarkol@google.com>
To: Marc Zyngier <maz@kernel.org>
Cc: eric.auger@redhat.com, kvm@vger.kernel.org,
kvmarm@lists.cs.columbia.edu, drjones@redhat.com,
alexandru.elisei@arm.com, Paolo Bonzini <pbonzini@redhat.com>,
oupton@google.com, james.morse@arm.com, suzuki.poulose@arm.com,
shuah@kernel.org, jingzhangos@google.com, pshier@google.com,
rananta@google.com, reijiw@google.com
Subject: Re: [PATCH v3 05/10] KVM: arm64: selftests: Make vgic_init gic version agnostic
Date: Thu, 30 Sep 2021 14:27:39 -0700 [thread overview]
Message-ID: <YVYrywHjwhzgfmBz@google.com> (raw)
In-Reply-To: <87ee96trnl.wl-maz@kernel.org>
On Thu, Sep 30, 2021 at 09:05:18AM +0100, Marc Zyngier wrote:
> On Wed, 29 Sep 2021 18:12:59 +0100,
> Eric Auger <eric.auger@redhat.com> wrote:
> >
> > If the GICv3 supports compat with GICv2, I think you could be able to
> > run both tests consecutively. So maybe don't return?
>
> You'll need to recreate a full VM though. Even if the HW supports the
> compat mode, our GICv3 emulation doesn't.
I'm not sure how much work would that entail, but sounds like it might
be too much for a selftest.
Thanks,
Ricardo
>
> Thanks,
>
> M.
>
> --
> Without deviation from the norm, progress is not possible.
WARNING: multiple messages have this Message-ID (diff)
From: Ricardo Koller <ricarkol@google.com>
To: Marc Zyngier <maz@kernel.org>
Cc: kvm@vger.kernel.org, shuah@kernel.org, pshier@google.com,
Paolo Bonzini <pbonzini@redhat.com>,
kvmarm@lists.cs.columbia.edu
Subject: Re: [PATCH v3 05/10] KVM: arm64: selftests: Make vgic_init gic version agnostic
Date: Thu, 30 Sep 2021 14:27:39 -0700 [thread overview]
Message-ID: <YVYrywHjwhzgfmBz@google.com> (raw)
In-Reply-To: <87ee96trnl.wl-maz@kernel.org>
On Thu, Sep 30, 2021 at 09:05:18AM +0100, Marc Zyngier wrote:
> On Wed, 29 Sep 2021 18:12:59 +0100,
> Eric Auger <eric.auger@redhat.com> wrote:
> >
> > If the GICv3 supports compat with GICv2, I think you could be able to
> > run both tests consecutively. So maybe don't return?
>
> You'll need to recreate a full VM though. Even if the HW supports the
> compat mode, our GICv3 emulation doesn't.
I'm not sure how much work would that entail, but sounds like it might
be too much for a selftest.
Thanks,
Ricardo
>
> Thanks,
>
> M.
>
> --
> Without deviation from the norm, progress is not possible.
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next prev parent reply other threads:[~2021-09-30 21:27 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-28 18:47 [PATCH v3 00/10] KVM: arm64: vgic: Missing checks for REDIST/CPU and ITS regions above the VM IPA size Ricardo Koller
2021-09-28 18:47 ` Ricardo Koller
2021-09-28 18:47 ` [PATCH v3 01/10] kvm: arm64: vgic: Introduce vgic_check_iorange Ricardo Koller
2021-09-28 18:47 ` Ricardo Koller
2021-09-29 16:29 ` Eric Auger
2021-09-29 16:29 ` Eric Auger
2021-09-29 21:17 ` Ricardo Koller
2021-09-29 21:17 ` Ricardo Koller
2021-09-30 7:02 ` Eric Auger
2021-09-30 7:02 ` Eric Auger
2021-09-30 21:19 ` Ricardo Koller
2021-09-30 21:19 ` Ricardo Koller
2021-10-01 13:12 ` Marc Zyngier
2021-10-01 13:12 ` Marc Zyngier
2021-10-04 15:48 ` Ricardo Koller
2021-10-04 15:48 ` Ricardo Koller
2021-09-28 18:47 ` [PATCH v3 02/10] KVM: arm64: vgic-v3: Check redist region is not above the VM IPA size Ricardo Koller
2021-09-28 18:47 ` Ricardo Koller
2021-09-29 16:23 ` Eric Auger
2021-09-29 16:23 ` Eric Auger
2021-09-29 21:10 ` Ricardo Koller
2021-09-29 21:10 ` Ricardo Koller
2021-09-30 7:05 ` Eric Auger
2021-09-30 7:05 ` Eric Auger
2021-10-01 13:14 ` Marc Zyngier
2021-10-01 13:14 ` Marc Zyngier
2021-10-04 15:51 ` Ricardo Koller
2021-10-04 15:51 ` Ricardo Koller
2021-09-28 18:47 ` [PATCH v3 03/10] KVM: arm64: vgic-v2: Check cpu interface " Ricardo Koller
2021-09-28 18:47 ` Ricardo Koller
2021-09-29 16:30 ` Eric Auger
2021-09-29 16:30 ` Eric Auger
2021-09-28 18:47 ` [PATCH v3 04/10] KVM: arm64: vgic-v3: Check ITS " Ricardo Koller
2021-09-28 18:47 ` Ricardo Koller
2021-09-29 16:24 ` Eric Auger
2021-09-29 16:24 ` Eric Auger
2021-09-28 18:47 ` [PATCH v3 05/10] KVM: arm64: selftests: Make vgic_init gic version agnostic Ricardo Koller
2021-09-28 18:47 ` Ricardo Koller
2021-09-29 17:12 ` Eric Auger
2021-09-29 17:12 ` Eric Auger
2021-09-29 21:13 ` Ricardo Koller
2021-09-29 21:13 ` Ricardo Koller
2021-09-30 8:05 ` Marc Zyngier
2021-09-30 8:05 ` Marc Zyngier
2021-09-30 21:27 ` Ricardo Koller [this message]
2021-09-30 21:27 ` Ricardo Koller
2021-09-28 18:48 ` [PATCH v3 06/10] KVM: arm64: selftests: Make vgic_init/vm_gic_create " Ricardo Koller
2021-09-28 18:48 ` Ricardo Koller
2021-09-30 7:17 ` Eric Auger
2021-09-30 7:17 ` Eric Auger
2021-09-28 18:48 ` [PATCH v3 07/10] KVM: arm64: selftests: Add some tests for GICv2 in vgic_init Ricardo Koller
2021-09-28 18:48 ` Ricardo Koller
2021-09-30 7:42 ` Eric Auger
2021-09-30 7:42 ` Eric Auger
2021-09-30 21:14 ` Ricardo Koller
2021-09-30 21:14 ` Ricardo Koller
2021-09-28 18:48 ` [PATCH v3 08/10] KVM: arm64: selftests: Add tests for GIC redist/cpuif partially above IPA range Ricardo Koller
2021-09-28 18:48 ` Ricardo Koller
2021-09-30 8:51 ` Eric Auger
2021-09-30 8:51 ` Eric Auger
2021-09-30 20:49 ` Ricardo Koller
2021-09-30 20:49 ` Ricardo Koller
2021-09-28 18:48 ` [PATCH v3 09/10] KVM: arm64: selftests: Add test for legacy GICv3 REDIST base " Ricardo Koller
2021-09-28 18:48 ` Ricardo Koller
2021-09-30 9:00 ` Eric Auger
2021-09-30 9:00 ` Eric Auger
2021-09-29 0:10 ` [PATCH v3 10/10] KVM: arm64: selftests: Add basic ITS device tests Ricardo Koller
2021-09-29 0:10 ` Ricardo Koller
2021-09-30 9:14 ` Eric Auger
2021-09-30 9:14 ` Eric Auger
2021-09-30 20:10 ` Ricardo Koller
2021-09-30 20:10 ` Ricardo Koller
2021-10-05 8:04 ` Eric Auger
2021-10-05 8:04 ` Eric Auger
2021-10-05 1:03 ` Ricardo Koller
2021-10-05 1:03 ` Ricardo Koller
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