From: Eric Auger <eric.auger@linaro.org> To: eric.auger@st.com, eric.auger@linaro.org, christoffer.dall@linaro.org, marc.zyngier@arm.com, andre.przywara@arm.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, gleb@kernel.org, pbonzini@redhat.com Cc: linux-kernel@vger.kernel.org, patches@linaro.org Subject: [PATCH v8 3/5] KVM: arm/arm64: implement kvm_arch_intc_initialized Date: Mon, 19 Jan 2015 17:43:11 +0100 [thread overview] Message-ID: <1421685793-3547-4-git-send-email-eric.auger@linaro.org> (raw) In-Reply-To: <1421685793-3547-1-git-send-email-eric.auger@linaro.org> On arm/arm64 the VGIC is dynamically instantiated and it is useful to expose its state, especially for irqfd setup. This patch defines __KVM_HAVE_ARCH_INTC_INITIALIZED and implements kvm_arch_intc_initialized. Signed-off-by: Eric Auger <eric.auger@linaro.org> Acked-by: Christoffer Dall <christoffer.dall@linaro.org> Reviewed-by: Andre Przywara <andre.przywara@arm.com> --- v7 -> v8: - add Andre's Reviewed-by v6 -> v7: - usage of the new function in irqfd is introduced in previous patch file. - Changed the title and the commit message accordingly v5 -> v6: - remove kvm_arch_intc_initialized declaration from architecture specific kvm_host.h since it is now in generic kvm_host.h - squash v5 patch files 3 & 4 --- arch/arm/include/asm/kvm_host.h | 2 ++ arch/arm/kvm/arm.c | 5 +++++ arch/arm64/include/asm/kvm_host.h | 2 ++ 3 files changed, 9 insertions(+) diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h index 254e065..8f87259 100644 --- a/arch/arm/include/asm/kvm_host.h +++ b/arch/arm/include/asm/kvm_host.h @@ -27,6 +27,8 @@ #include <asm/fpstate.h> #include <kvm/arm_arch_timer.h> +#define __KVM_HAVE_ARCH_INTC_INITIALIZED + #if defined(CONFIG_KVM_ARM_MAX_VCPUS) #define KVM_MAX_VCPUS CONFIG_KVM_ARM_MAX_VCPUS #else diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index 2d6d910..9c905b4 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -454,6 +454,11 @@ static int kvm_vcpu_first_run_init(struct kvm_vcpu *vcpu) return 0; } +bool kvm_arch_intc_initialized(struct kvm *kvm) +{ + return vgic_initialized(kvm); +} + static void vcpu_pause(struct kvm_vcpu *vcpu) { wait_queue_head_t *wq = kvm_arch_vcpu_wq(vcpu); diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 0b7dfdb..dfb6135 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -28,6 +28,8 @@ #include <asm/kvm_asm.h> #include <asm/kvm_mmio.h> +#define __KVM_HAVE_ARCH_INTC_INITIALIZED + #if defined(CONFIG_KVM_ARM_MAX_VCPUS) #define KVM_MAX_VCPUS CONFIG_KVM_ARM_MAX_VCPUS #else -- 1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: eric.auger@linaro.org (Eric Auger) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v8 3/5] KVM: arm/arm64: implement kvm_arch_intc_initialized Date: Mon, 19 Jan 2015 17:43:11 +0100 [thread overview] Message-ID: <1421685793-3547-4-git-send-email-eric.auger@linaro.org> (raw) In-Reply-To: <1421685793-3547-1-git-send-email-eric.auger@linaro.org> On arm/arm64 the VGIC is dynamically instantiated and it is useful to expose its state, especially for irqfd setup. This patch defines __KVM_HAVE_ARCH_INTC_INITIALIZED and implements kvm_arch_intc_initialized. Signed-off-by: Eric Auger <eric.auger@linaro.org> Acked-by: Christoffer Dall <christoffer.dall@linaro.org> Reviewed-by: Andre Przywara <andre.przywara@arm.com> --- v7 -> v8: - add Andre's Reviewed-by v6 -> v7: - usage of the new function in irqfd is introduced in previous patch file. - Changed the title and the commit message accordingly v5 -> v6: - remove kvm_arch_intc_initialized declaration from architecture specific kvm_host.h since it is now in generic kvm_host.h - squash v5 patch files 3 & 4 --- arch/arm/include/asm/kvm_host.h | 2 ++ arch/arm/kvm/arm.c | 5 +++++ arch/arm64/include/asm/kvm_host.h | 2 ++ 3 files changed, 9 insertions(+) diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h index 254e065..8f87259 100644 --- a/arch/arm/include/asm/kvm_host.h +++ b/arch/arm/include/asm/kvm_host.h @@ -27,6 +27,8 @@ #include <asm/fpstate.h> #include <kvm/arm_arch_timer.h> +#define __KVM_HAVE_ARCH_INTC_INITIALIZED + #if defined(CONFIG_KVM_ARM_MAX_VCPUS) #define KVM_MAX_VCPUS CONFIG_KVM_ARM_MAX_VCPUS #else diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index 2d6d910..9c905b4 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -454,6 +454,11 @@ static int kvm_vcpu_first_run_init(struct kvm_vcpu *vcpu) return 0; } +bool kvm_arch_intc_initialized(struct kvm *kvm) +{ + return vgic_initialized(kvm); +} + static void vcpu_pause(struct kvm_vcpu *vcpu) { wait_queue_head_t *wq = kvm_arch_vcpu_wq(vcpu); diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 0b7dfdb..dfb6135 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -28,6 +28,8 @@ #include <asm/kvm_asm.h> #include <asm/kvm_mmio.h> +#define __KVM_HAVE_ARCH_INTC_INITIALIZED + #if defined(CONFIG_KVM_ARM_MAX_VCPUS) #define KVM_MAX_VCPUS CONFIG_KVM_ARM_MAX_VCPUS #else -- 1.9.1
next prev parent reply other threads:[~2015-01-19 16:46 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-01-19 16:43 [PATCH v8 0/5] irqfd support for arm/arm64 Eric Auger 2015-01-19 16:43 ` Eric Auger 2015-01-19 16:43 ` [PATCH v8 1/5] KVM: arm/arm64: unset CONFIG_HAVE_KVM_IRQCHIP Eric Auger 2015-01-19 16:43 ` Eric Auger 2015-01-19 16:43 ` [PATCH v8 2/5] KVM: introduce kvm_arch_intc_initialized and use it in irqfd Eric Auger 2015-01-19 16:43 ` Eric Auger 2015-01-19 16:43 ` Eric Auger [this message] 2015-01-19 16:43 ` [PATCH v8 3/5] KVM: arm/arm64: implement kvm_arch_intc_initialized Eric Auger 2015-01-19 16:43 ` [PATCH v8 4/5] KVM: arm/arm64: remove coarse grain dist locking at kvm_vgic_sync_hwstate Eric Auger 2015-01-19 16:43 ` Eric Auger 2015-02-23 20:38 ` Christoffer Dall 2015-02-23 20:38 ` Christoffer Dall 2015-02-23 20:38 ` Christoffer Dall 2015-01-19 16:43 ` [PATCH v8 5/5] KVM: arm/arm64: add irqfd support Eric Auger 2015-01-19 16:43 ` Eric Auger 2015-02-23 21:45 ` Christoffer Dall 2015-02-23 21:45 ` Christoffer Dall 2015-02-23 21:45 ` Christoffer Dall 2015-03-02 16:11 ` Eric Auger 2015-03-02 16:11 ` Eric Auger
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