From: marc.zyngier@arm•com (Marc Zyngier)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v3 0/6] GICv3: add 32bit compatibility
Date: Fri, 9 Oct 2015 14:15:23 +0100 [thread overview]
Message-ID: <20151009141523.1228b63e@arm.com> (raw)
In-Reply-To: <1443703639-3730-1-git-send-email-jean-philippe.brucker@arm.com>
On Thu, 1 Oct 2015 13:47:13 +0100
Jean-Philippe Brucker <jean-philippe.brucker@arm•com> wrote:
> Hi,
>
> This series adds 32bit support to the GICv3 driver. Only SGIs, PPIs and
> SPIs support is present, no ITS.
> Currently, the main targets for those patches are 32bit guests running under
> KVM. They can now use affinity routing and theoretically have a lot more than
> 8 CPUs. During my tests, I was able to use 16 virtual CPUs on an AEM model.
>
> We don't support 32bit hosts with GICv3 at the moment. I added a patch to allow
> building a host when CONFIG_ARM_GIC_V3 enabled, as pointed out by Vladimir in
> the last series. When attempting to run such host with a device-tree that
> declares GICv3, KVM will refuse to start, and throw a -ENODEV error.
>
> Some time has passed since last series, but I am now available full-time to act
> on reviews and comments.
>
> Changes since v2 [2]:
> - rebased on 4.3-rc3,
> - add a sixth patch to handle build with CONFIG_KVM + CONFIG_ARM_GIC_V3.
>
> Changes since v1 [1]:
> - fix the mistakes pointed out on the list,
> - add a patch to select ARM_GIC_V3 under ARCH_VIRT.
>
> Cheers,
> Jean
Hi Jean-Philippe,
Looks good to me: Reviewed-by: Marc Zyngier <marc.zyngier@arm•com>
There is some conflicts with stuff I have queued already (the 64bit
SRE stuff), but I can fix that up pretty easily, assuming Christoffer
doesn't have any objection to the last patch.
Thanks,
M.
--
Jazz is not dead. It just smells funny.
prev parent reply other threads:[~2015-10-09 13:15 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-01 12:47 [PATCH v3 0/6] GICv3: add 32bit compatibility Jean-Philippe Brucker
2015-10-01 12:47 ` [PATCH v3 1/6] arm64: GICv3: refactor the AArch64 specific parts Jean-Philippe Brucker
2015-10-01 12:47 ` [PATCH v3 2/6] arm64: GICv3: change unsigned types for AArch32 compatibility Jean-Philippe Brucker
2015-10-01 12:47 ` [PATCH v3 3/6] arm64: GICv3: Specialize readq and writeq accesses Jean-Philippe Brucker
2015-10-01 12:47 ` [PATCH v3 4/6] ARM: add 32bit support to GICv3 Jean-Philippe Brucker
2015-10-01 12:47 ` [PATCH v3 5/6] ARM: virt: select ARM_GIC_V3 Jean-Philippe Brucker
2015-10-01 12:47 ` [PATCH v3 6/6] arm/arm64: KVM: only allow 64bit hosts to build VGICv3 Jean-Philippe Brucker
2015-10-09 13:10 ` Marc Zyngier
2015-10-10 15:19 ` Christoffer Dall
2015-10-09 13:15 ` Marc Zyngier [this message]
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