From: marc.zyngier@arm.com (Marc Zyngier)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 09/19] arm/arm64: KVM: make the value of ICC_SRE_EL1 a per-VM variable
Date: Tue, 23 Dec 2014 12:14:20 +0000 [thread overview]
Message-ID: <868uhy1s2r.fsf@arm.com> (raw)
In-Reply-To: <1418042274-3246-10-git-send-email-andre.przywara@arm.com> (Andre Przywara's message of "Mon, 8 Dec 2014 12:37:44 +0000")
On Mon, Dec 08 2014 at 12:37:44 PM, Andre Przywara <andre.przywara@arm.com> wrote:
> ICC_SRE_EL1 is a system register allowing msr/mrs accesses to the
> GIC CPU interface for EL1 (guests). Currently we force it to 0, but
> for proper GICv3 support we have to allow guests to use it (depending
> on their selected virtual GIC model).
> So add ICC_SRE_EL1 to the list of saved/restored registers on a
> world switch, but actually disallow a guest to change it by only
> restoring a fixed, once-initialized value.
> This value depends on the GIC model userland has chosen for a guest.
>
> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
M.
--
Jazz is not dead. It just smells funny.
next prev parent reply other threads:[~2014-12-23 12:14 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-08 12:37 [PATCH v5 00/19] KVM GICv3 emulation Andre Przywara
2014-12-08 12:37 ` [PATCH v5 01/19] arm/arm64: KVM: rework MPIDR assignment and add accessors Andre Przywara
2014-12-08 15:06 ` Mark Rutland
2014-12-08 15:26 ` Andre Przywara
2014-12-18 9:00 ` Marc Zyngier
2014-12-08 12:37 ` [PATCH v5 02/19] arm/arm64: KVM: pass down user space provided GIC type into vGIC code Andre Przywara
2014-12-18 9:03 ` Marc Zyngier
2014-12-08 12:37 ` [PATCH v5 03/19] arm/arm64: KVM: refactor vgic_handle_mmio() function Andre Przywara
2014-12-18 9:06 ` Marc Zyngier
2014-12-08 12:37 ` [PATCH v5 04/19] arm/arm64: KVM: wrap 64 bit MMIO accesses with two 32 bit ones Andre Przywara
2014-12-18 9:09 ` Marc Zyngier
2014-12-08 12:37 ` [PATCH v5 05/19] arm/arm64: KVM: introduce per-VM ops Andre Przywara
2014-12-13 13:29 ` Christoffer Dall
2014-12-23 11:43 ` Marc Zyngier
2014-12-08 12:37 ` [PATCH v5 06/19] arm/arm64: KVM: move kvm_register_device_ops() into vGIC probing Andre Przywara
2014-12-23 11:57 ` Marc Zyngier
2014-12-08 12:37 ` [PATCH v5 07/19] arm/arm64: KVM: dont rely on a valid GICH base address Andre Przywara
2014-12-23 11:58 ` Marc Zyngier
2014-12-08 12:37 ` [PATCH v5 08/19] arm/arm64: KVM: make the maximum number of vCPUs a per-VM value Andre Przywara
2014-12-13 13:31 ` Christoffer Dall
2014-12-23 12:07 ` Marc Zyngier
2015-01-05 17:34 ` Andre Przywara
2015-01-06 13:29 ` Christoffer Dall
2015-01-06 14:03 ` Andre Przywara
2015-01-06 13:58 ` Peter Maydell
2014-12-08 12:37 ` [PATCH v5 09/19] arm/arm64: KVM: make the value of ICC_SRE_EL1 a per-VM variable Andre Przywara
2014-12-23 12:14 ` Marc Zyngier [this message]
2014-12-08 12:37 ` [PATCH v5 10/19] arm/arm64: KVM: refactor MMIO accessors Andre Przywara
2014-12-08 12:37 ` [PATCH v5 11/19] arm/arm64: KVM: refactor/wrap vgic_set/get_attr() Andre Przywara
2014-12-08 12:37 ` [PATCH v5 12/19] arm/arm64: KVM: add vgic.h header file Andre Przywara
2014-12-08 12:37 ` [PATCH v5 13/19] arm/arm64: KVM: split GICv2 specific emulation code from vgic.c Andre Przywara
2014-12-08 12:37 ` [PATCH v5 14/19] arm/arm64: KVM: add opaque private pointer to MMIO data Andre Przywara
2014-12-08 12:37 ` [PATCH v5 15/19] arm/arm64: KVM: add virtual GICv3 distributor emulation Andre Przywara
2014-12-13 13:37 ` Christoffer Dall
2014-12-15 11:32 ` Andre Przywara
2014-12-08 12:37 ` [PATCH v5 16/19] arm64: GICv3: introduce symbolic names for GICv3 ICC_SGI1R_EL1 fields Andre Przywara
2014-12-08 12:37 ` [PATCH v5 17/19] arm64: KVM: add SGI generation register emulation Andre Przywara
2014-12-08 12:37 ` [PATCH v5 18/19] arm/arm64: KVM: enable kernel side of GICv3 emulation Andre Przywara
2014-12-13 13:42 ` Christoffer Dall
2015-01-05 17:58 ` Andre Przywara
2014-12-08 12:37 ` [PATCH v5 19/19] arm/arm64: KVM: allow userland to request a virtual GICv3 Andre Przywara
2014-12-13 13:45 ` Christoffer Dall
2014-12-15 11:50 ` Andre Przywara
2014-12-15 13:02 ` Christoffer Dall
2014-12-13 13:53 ` [PATCH v5 00/19] KVM GICv3 emulation Christoffer Dall
2014-12-15 14:57 ` Andre Przywara
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