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From: christoffer.dall@linaro.org (Christoffer Dall)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/4] ARM: KVM: allow VMs with more than 4 CPUs
Date: Tue, 22 Oct 2013 15:10:23 +0100	[thread overview]
Message-ID: <20131022141023.GB61492@lvm> (raw)
In-Reply-To: <1382116746-8757-1-git-send-email-marc.zyngier@arm.com>

On Fri, Oct 18, 2013 at 06:19:02PM +0100, Marc Zyngier wrote:
> Currently, KVM/ARM is limited to 4 A7 or A15 per VM. This is due to
> the fact that KVM doesn't know about clusters, and puts all CPUs at
> affinity level 0.
> 
> This patch series removes this limitation by allowing additionnal CPUs
> to be part of a separate cluster (affinity level 1).
> 
> This also requires a patch to kvmtool so the generated DT matches the
> expectations of the guest (posted separately).
> 
> Tested on TC2 and arm64 model.
> 
> Patches based on Christoffer's next tree as of today.
> 
> Marc Zyngier (4):
>   arm/arm64: KVM: PSCI: use MPIDR to identify a target CPU
>   ARM: KVM: Fix MPIDR computing to support virtual clusters
>   ARM: KVM: fix L2CTLR to be per-cluster
>   ARM: KVM: drop limitation to 4 CPU VMs
> 
>  arch/arm/include/asm/kvm_emulate.h   |  5 +++++
>  arch/arm/kvm/coproc.c                | 14 ++++++++++----
>  arch/arm/kvm/psci.c                  | 17 +++++++++++++----
>  arch/arm/kvm/reset.c                 |  4 ----
>  arch/arm64/include/asm/kvm_emulate.h |  5 +++++
>  5 files changed, 33 insertions(+), 12 deletions(-)
> 
> -- 
> 1.8.2.3
> 
> 
ack on the series,

I'll apply these to my tree.

-- 
Christoffer

      parent reply	other threads:[~2013-10-22 14:10 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-18 17:19 [PATCH 0/4] ARM: KVM: allow VMs with more than 4 CPUs Marc Zyngier
2013-10-18 17:19 ` [PATCH 1/4] arm/arm64: KVM: PSCI: use MPIDR to identify a target CPU Marc Zyngier
2013-10-18 17:19 ` [PATCH 2/4] ARM: KVM: Fix MPIDR computing to support virtual clusters Marc Zyngier
2013-10-18 17:19 ` [PATCH 3/4] ARM: KVM: fix L2CTLR to be per-cluster Marc Zyngier
2013-10-18 17:19 ` [PATCH 4/4] ARM: KVM: drop limitation to 4 CPU VMs Marc Zyngier
2013-10-22 14:10 ` Christoffer Dall [this message]

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