From: marc.zyngier@arm•com (Marc Zyngier)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v4 10/10] ARM: KVM: Support vgic-v3
Date: Thu, 22 Sep 2016 10:58:22 +0100 [thread overview]
Message-ID: <57E3AB3E.4060706@arm.com> (raw)
In-Reply-To: <1473691764-29424-11-git-send-email-vladimir.murzin@arm.com>
On 12/09/16 15:49, Vladimir Murzin wrote:
> This patch allows to build and use vgic-v3 in 32-bit mode.
>
> Unfortunately, it can not be split in several steps without extra
> stubs to keep patches independent and bisectable. For instance,
> virt/kvm/arm/vgic/vgic-v3.c uses function from vgic-v3-sr.c, handling
> access to GICv3 cpu interface from the guest requires vgic_v3.vgic_sre
> to be already defined.
>
> It is how support has been done:
>
> * handle SGI requests from the guest
>
> * report configured SRE on access to GICv3 cpu interface from the guest
>
> * required vgic-v3 macros are provided via uapi.h
>
> * static keys are used to select GIC backend
>
> * to make vgic-v3 build KVM_ARM_VGIC_V3 guard is removed along with
> the static inlines
>
> Signed-off-by: Vladimir Murzin <vladimir.murzin@arm•com>
> ---
> arch/arm/include/asm/kvm_asm.h | 3 ++
> arch/arm/include/asm/kvm_host.h | 5 ++++
> arch/arm/include/asm/kvm_hyp.h | 3 ++
> arch/arm/include/uapi/asm/kvm.h | 7 +++++
> arch/arm/kvm/Makefile | 2 ++
> arch/arm/kvm/coproc.c | 35 +++++++++++++++++++++++
> arch/arm/kvm/hyp/Makefile | 1 +
> arch/arm/kvm/hyp/switch.c | 12 ++++++--
> arch/arm64/kvm/Kconfig | 4 ---
> include/kvm/arm_vgic.h | 8 ------
> virt/kvm/arm/vgic/vgic-kvm-device.c | 8 ------
> virt/kvm/arm/vgic/vgic-mmio.c | 2 --
> virt/kvm/arm/vgic/vgic-mmio.h | 2 --
> virt/kvm/arm/vgic/vgic.h | 54 -----------------------------------
> 14 files changed, 66 insertions(+), 80 deletions(-)
Acked-by: Marc Zyngier <marc.zyngier@arm•com>
M.
--
Jazz is not dead. It just smells funny...
next prev parent reply other threads:[~2016-09-22 9:58 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-12 14:49 [PATCH v4 00/10] ARM: KVM: Support for vgic-v3 Vladimir Murzin
2016-09-12 14:49 ` [PATCH v4 01/10] arm64: KVM: Use static keys for selecting the GIC backend Vladimir Murzin
2016-09-13 8:20 ` Christoffer Dall
2016-09-13 9:11 ` Marc Zyngier
2016-09-13 9:22 ` Christoffer Dall
2016-09-14 15:20 ` Vladimir Murzin
2016-09-14 15:47 ` Marc Zyngier
2016-09-15 9:03 ` Christoffer Dall
2016-09-22 10:01 ` Marc Zyngier
2016-09-12 14:49 ` [PATCH v4 02/10] arm64: KVM: Move GIC accessors to arch_gicv3.h Vladimir Murzin
2016-09-12 14:49 ` [PATCH v4 03/10] arm64: KVM: Move vgic-v3 save/restore to virt/kvm/arm/hyp Vladimir Murzin
2016-09-13 8:51 ` Christoffer Dall
2016-09-12 14:49 ` [PATCH v4 04/10] KVM: arm64: vgic-its: Introduce config option to guard ITS specific code Vladimir Murzin
2016-09-13 8:51 ` Christoffer Dall
2016-09-12 14:49 ` [PATCH v4 05/10] KVM: arm: vgic: Fix compiler warnings when built for 32-bit Vladimir Murzin
2016-09-13 8:51 ` Christoffer Dall
2016-09-22 10:01 ` Marc Zyngier
2016-09-12 14:49 ` [PATCH v4 06/10] KVM: arm: vgic: Support 64-bit data manipulation on 32-bit host systems Vladimir Murzin
2016-09-13 8:51 ` Christoffer Dall
2016-09-22 10:00 ` Marc Zyngier
2016-09-12 14:49 ` [PATCH v4 07/10] ARM: Introduce MPIDR_LEVEL_SHIFT macro Vladimir Murzin
2016-09-13 8:38 ` Christoffer Dall
2016-09-13 9:04 ` Vladimir Murzin
2016-09-13 10:12 ` Marc Zyngier
2016-09-13 10:32 ` Vladimir Murzin
2016-09-13 10:44 ` Marc Zyngier
2016-09-14 15:21 ` Vladimir Murzin
2016-09-14 15:50 ` Marc Zyngier
2016-09-22 9:59 ` Marc Zyngier
2016-09-12 14:49 ` [PATCH v4 08/10] ARM: Move system register accessors to asm/cp15.h Vladimir Murzin
2016-09-13 8:52 ` Christoffer Dall
2016-09-22 9:59 ` Marc Zyngier
2016-09-12 14:49 ` [PATCH v4 09/10] ARM: gic-v3: Introduce 32-to-64-bit mappings for GICv3 cpu registers Vladimir Murzin
2016-09-13 8:52 ` Christoffer Dall
2016-09-22 9:57 ` Marc Zyngier
2016-09-12 14:49 ` [PATCH v4 10/10] ARM: KVM: Support vgic-v3 Vladimir Murzin
2016-09-13 8:52 ` Christoffer Dall
2016-09-22 9:58 ` Marc Zyngier [this message]
2016-09-15 9:13 ` [PATCH v4 00/10] ARM: KVM: Support for vgic-v3 Christoffer Dall
2016-09-15 10:33 ` Vladimir Murzin
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