[PATCH 12/23] KVM: arm64: Move kvm_vgic_vcpu_pending_irq() to irqchip_flow
Jonathan Cameron
Jonathan.Cameron at Huawei.com
Fri Sep 4 10:57:50 EDT 2020
On Thu, 3 Sep 2020 16:25:59 +0100
Marc Zyngier <maz at kernel.org> wrote:
> Abstract the calls to kvm_vgic_vcpu_pending_irq() via the irqchip_flow
> structure.
>
> No functional change.
>
> Signed-off-by: Marc Zyngier <maz at kernel.org>
A couple of stray lines in here that I think should be in patch 14
Jonathan
> ---
> arch/arm64/include/asm/kvm_irq.h | 4 ++++
> arch/arm64/kvm/arm.c | 4 ++--
> arch/arm64/kvm/vgic/vgic-init.c | 1 +
> arch/arm64/kvm/vgic/vgic.h | 6 ++++++
> include/kvm/arm_vgic.h | 3 ---
> 5 files changed, 13 insertions(+), 5 deletions(-)
>
> diff --git a/arch/arm64/include/asm/kvm_irq.h b/arch/arm64/include/asm/kvm_irq.h
> index 50dfd641cd67..e7a244176ade 100644
> --- a/arch/arm64/include/asm/kvm_irq.h
> +++ b/arch/arm64/include/asm/kvm_irq.h
> @@ -24,6 +24,7 @@ struct kvm_irqchip_flow {
> void (*irqchip_vcpu_unblocking)(struct kvm_vcpu *);
> void (*irqchip_vcpu_load)(struct kvm_vcpu *);
> void (*irqchip_vcpu_put)(struct kvm_vcpu *);
> + int (*irqchip_vcpu_pending_irq)(struct kvm_vcpu *);
> };
>
> /*
> @@ -70,4 +71,7 @@ struct kvm_irqchip_flow {
> #define kvm_irqchip_vcpu_put(v) \
> __vcpu_irqchip_action((v), vcpu_put, (v))
>
> +#define kvm_irqchip_vcpu_pending_irq(v) \
> + __vcpu_irqchip_action_ret((v), vcpu_pending_irq, (v))
> +
> #endif
> diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
> index 84d48c312b84..3496d200e488 100644
> --- a/arch/arm64/kvm/arm.c
> +++ b/arch/arm64/kvm/arm.c
> @@ -399,8 +399,8 @@ int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
> int kvm_arch_vcpu_runnable(struct kvm_vcpu *v)
> {
> bool irq_lines = *vcpu_hcr(v) & (HCR_VI | HCR_VF);
> - return ((irq_lines || kvm_vgic_vcpu_pending_irq(v))
> - && !v->arch.power_off && !v->arch.pause);
> + return ((irq_lines || kvm_irqchip_vcpu_pending_irq(v)) &&
> + !v->arch.power_off && !v->arch.pause);
> }
>
> bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu)
> diff --git a/arch/arm64/kvm/vgic/vgic-init.c b/arch/arm64/kvm/vgic/vgic-init.c
> index 24b3ed9bae5d..8bb847045ef9 100644
> --- a/arch/arm64/kvm/vgic/vgic-init.c
> +++ b/arch/arm64/kvm/vgic/vgic-init.c
> @@ -22,6 +22,7 @@ static struct kvm_irqchip_flow vgic_irqchip_flow = {
> .irqchip_vcpu_unblocking = kvm_vgic_vcpu_unblocking,
> .irqchip_vcpu_load = kvm_vgic_load,
> .irqchip_vcpu_put = kvm_vgic_put,
> + .irqchip_vcpu_pending_irq = kvm_vgic_vcpu_pending_irq,
> };
>
> /*
> diff --git a/arch/arm64/kvm/vgic/vgic.h b/arch/arm64/kvm/vgic/vgic.h
> index 190737402365..c5511823eec5 100644
> --- a/arch/arm64/kvm/vgic/vgic.h
> +++ b/arch/arm64/kvm/vgic/vgic.h
> @@ -321,7 +321,13 @@ int vgic_v4_init(struct kvm *kvm);
> void vgic_v4_teardown(struct kvm *kvm);
> void vgic_v4_configure_vsgis(struct kvm *kvm);
>
> +int kvm_vgic_vcpu_pending_irq(struct kvm_vcpu *vcpu);
> +
> void kvm_vgic_load(struct kvm_vcpu *vcpu);
> void kvm_vgic_put(struct kvm_vcpu *vcpu);
>
> +void kvm_vgic_sync_hwstate(struct kvm_vcpu *vcpu);
> +void kvm_vgic_flush_hwstate(struct kvm_vcpu *vcpu);
Wrong patch?
> +
> +
Nitpick. One line is always enough :)
> #endif
> diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
> index a06d9483e3a6..b2adf9cca334 100644
> --- a/include/kvm/arm_vgic.h
> +++ b/include/kvm/arm_vgic.h
> @@ -347,14 +347,11 @@ int kvm_vgic_map_phys_irq(struct kvm_vcpu *vcpu, unsigned int host_irq,
> int kvm_vgic_unmap_phys_irq(struct kvm_vcpu *vcpu, unsigned int vintid);
> bool kvm_vgic_map_is_active(struct kvm_vcpu *vcpu, unsigned int vintid);
>
> -int kvm_vgic_vcpu_pending_irq(struct kvm_vcpu *vcpu);
> -
> #define vgic_initialized(k) ((k)->arch.vgic.initialized)
> #define vgic_ready(k) ((k)->arch.vgic.ready)
> #define vgic_valid_spi(k, i) (((i) >= VGIC_NR_PRIVATE_IRQS) && \
> ((i) < (k)->arch.vgic.nr_spis + VGIC_NR_PRIVATE_IRQS))
>
> -bool kvm_vcpu_has_pending_irqs(struct kvm_vcpu *vcpu);
> void kvm_vgic_sync_hwstate(struct kvm_vcpu *vcpu);
> void kvm_vgic_flush_hwstate(struct kvm_vcpu *vcpu);
> void kvm_vgic_reset_mapped_irq(struct kvm_vcpu *vcpu, u32 vintid);
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