Message ID | 20171207161415.20380-4-andre.przywara@linaro.org |
---|---|
State | New |
Headers | show |
Series | ARM: VGIC/GIC separation cleanups | expand |
On Thu, 7 Dec 2017, Andre Przywara wrote: > gic_remove_irq_from_queues() was not only misnamed, it also has the wrong > abstraction, as it should not live in gic.c. > Move it into vgic.c and vgic.h, where it belongs to, and rename it on > the way. > > Signed-off-by: Andre Przywara <andre.przywara@linaro.org> > Reviewed-by: Stefano Stabellini <sstabellini@kernel.org> I committed the first three patches > --- > xen/arch/arm/gic.c | 9 --------- > xen/arch/arm/vgic-v3-its.c | 4 ++-- > xen/arch/arm/vgic.c | 11 ++++++++++- > xen/include/asm-arm/gic.h | 1 - > xen/include/asm-arm/vgic.h | 1 + > 5 files changed, 13 insertions(+), 13 deletions(-) > > diff --git a/xen/arch/arm/gic.c b/xen/arch/arm/gic.c > index ed363f6c37..bac8ada2bb 100644 > --- a/xen/arch/arm/gic.c > +++ b/xen/arch/arm/gic.c > @@ -411,15 +411,6 @@ void gic_remove_from_lr_pending(struct vcpu *v, struct pending_irq *p) > list_del_init(&p->lr_queue); > } > > -void gic_remove_irq_from_queues(struct vcpu *v, struct pending_irq *p) > -{ > - ASSERT(spin_is_locked(&v->arch.vgic.lock)); > - > - clear_bit(GIC_IRQ_GUEST_QUEUED, &p->status); > - list_del_init(&p->inflight); > - gic_remove_from_lr_pending(v, p); > -} > - > void gic_raise_inflight_irq(struct vcpu *v, unsigned int virtual_irq) > { > struct pending_irq *n = irq_to_pending(v, virtual_irq); > diff --git a/xen/arch/arm/vgic-v3-its.c b/xen/arch/arm/vgic-v3-its.c > index 72a5c70656..d8fa44258d 100644 > --- a/xen/arch/arm/vgic-v3-its.c > +++ b/xen/arch/arm/vgic-v3-its.c > @@ -381,7 +381,7 @@ static int its_handle_clear(struct virt_its *its, uint64_t *cmdptr) > * have no active state, we don't need to care about this here. > */ > if ( !test_bit(GIC_IRQ_GUEST_VISIBLE, &p->status) ) > - gic_remove_irq_from_queues(vcpu, p); > + vgic_remove_irq_from_queues(vcpu, p); > > spin_unlock_irqrestore(&vcpu->arch.vgic.lock, flags); > ret = 0; > @@ -619,7 +619,7 @@ static int its_discard_event(struct virt_its *its, > } > > /* Cleanup the pending_irq and disconnect it from the LPI. */ > - gic_remove_irq_from_queues(vcpu, p); > + vgic_remove_irq_from_queues(vcpu, p); > vgic_init_pending_irq(p, INVALID_LPI); > > spin_unlock_irqrestore(&vcpu->arch.vgic.lock, flags); > diff --git a/xen/arch/arm/vgic.c b/xen/arch/arm/vgic.c > index d8acbbeaaa..6e933a86d3 100644 > --- a/xen/arch/arm/vgic.c > +++ b/xen/arch/arm/vgic.c > @@ -281,7 +281,7 @@ bool vgic_migrate_irq(struct vcpu *old, struct vcpu *new, unsigned int irq) > /* If the IRQ is still lr_pending, re-inject it to the new vcpu */ > if ( !list_empty(&p->lr_queue) ) > { > - gic_remove_irq_from_queues(old, p); > + vgic_remove_irq_from_queues(old, p); > irq_set_affinity(p->desc, cpumask_of(new->processor)); > spin_unlock_irqrestore(&old->arch.vgic.lock, flags); > vgic_vcpu_inject_irq(new, irq); > @@ -508,6 +508,15 @@ void vgic_clear_pending_irqs(struct vcpu *v) > spin_unlock_irqrestore(&v->arch.vgic.lock, flags); > } > > +void vgic_remove_irq_from_queues(struct vcpu *v, struct pending_irq *p) > +{ > + ASSERT(spin_is_locked(&v->arch.vgic.lock)); > + > + clear_bit(GIC_IRQ_GUEST_QUEUED, &p->status); > + list_del_init(&p->inflight); > + gic_remove_from_lr_pending(v, p); > +} > + > void vgic_vcpu_inject_irq(struct vcpu *v, unsigned int virq) > { > uint8_t priority; > diff --git a/xen/include/asm-arm/gic.h b/xen/include/asm-arm/gic.h > index d3d7bda50d..587a14f8b9 100644 > --- a/xen/include/asm-arm/gic.h > +++ b/xen/include/asm-arm/gic.h > @@ -244,7 +244,6 @@ extern void gic_raise_guest_irq(struct vcpu *v, unsigned int irq, > unsigned int priority); > extern void gic_raise_inflight_irq(struct vcpu *v, unsigned int virtual_irq); > extern void gic_remove_from_lr_pending(struct vcpu *v, struct pending_irq *p); > -extern void gic_remove_irq_from_queues(struct vcpu *v, struct pending_irq *p); > > /* Accept an interrupt from the GIC and dispatch its handler */ > extern void gic_interrupt(struct cpu_user_regs *regs, int is_fiq); > diff --git a/xen/include/asm-arm/vgic.h b/xen/include/asm-arm/vgic.h > index e489d0bf21..2a93a7bef9 100644 > --- a/xen/include/asm-arm/vgic.h > +++ b/xen/include/asm-arm/vgic.h > @@ -204,6 +204,7 @@ extern int vcpu_vgic_init(struct vcpu *v); > extern struct vcpu *vgic_get_target_vcpu(struct vcpu *v, unsigned int virq); > extern void vgic_vcpu_inject_irq(struct vcpu *v, unsigned int virq); > extern void vgic_vcpu_inject_spi(struct domain *d, unsigned int virq); > +extern void vgic_remove_irq_from_queues(struct vcpu *v, struct pending_irq *p); > extern void vgic_clear_pending_irqs(struct vcpu *v); > extern void vgic_init_pending_irq(struct pending_irq *p, unsigned int virq); > extern struct pending_irq *irq_to_pending(struct vcpu *v, unsigned int irq); > -- > 2.14.1 >
diff --git a/xen/arch/arm/gic.c b/xen/arch/arm/gic.c index ed363f6c37..bac8ada2bb 100644 --- a/xen/arch/arm/gic.c +++ b/xen/arch/arm/gic.c @@ -411,15 +411,6 @@ void gic_remove_from_lr_pending(struct vcpu *v, struct pending_irq *p) list_del_init(&p->lr_queue); } -void gic_remove_irq_from_queues(struct vcpu *v, struct pending_irq *p) -{ - ASSERT(spin_is_locked(&v->arch.vgic.lock)); - - clear_bit(GIC_IRQ_GUEST_QUEUED, &p->status); - list_del_init(&p->inflight); - gic_remove_from_lr_pending(v, p); -} - void gic_raise_inflight_irq(struct vcpu *v, unsigned int virtual_irq) { struct pending_irq *n = irq_to_pending(v, virtual_irq); diff --git a/xen/arch/arm/vgic-v3-its.c b/xen/arch/arm/vgic-v3-its.c index 72a5c70656..d8fa44258d 100644 --- a/xen/arch/arm/vgic-v3-its.c +++ b/xen/arch/arm/vgic-v3-its.c @@ -381,7 +381,7 @@ static int its_handle_clear(struct virt_its *its, uint64_t *cmdptr) * have no active state, we don't need to care about this here. */ if ( !test_bit(GIC_IRQ_GUEST_VISIBLE, &p->status) ) - gic_remove_irq_from_queues(vcpu, p); + vgic_remove_irq_from_queues(vcpu, p); spin_unlock_irqrestore(&vcpu->arch.vgic.lock, flags); ret = 0; @@ -619,7 +619,7 @@ static int its_discard_event(struct virt_its *its, } /* Cleanup the pending_irq and disconnect it from the LPI. */ - gic_remove_irq_from_queues(vcpu, p); + vgic_remove_irq_from_queues(vcpu, p); vgic_init_pending_irq(p, INVALID_LPI); spin_unlock_irqrestore(&vcpu->arch.vgic.lock, flags); diff --git a/xen/arch/arm/vgic.c b/xen/arch/arm/vgic.c index d8acbbeaaa..6e933a86d3 100644 --- a/xen/arch/arm/vgic.c +++ b/xen/arch/arm/vgic.c @@ -281,7 +281,7 @@ bool vgic_migrate_irq(struct vcpu *old, struct vcpu *new, unsigned int irq) /* If the IRQ is still lr_pending, re-inject it to the new vcpu */ if ( !list_empty(&p->lr_queue) ) { - gic_remove_irq_from_queues(old, p); + vgic_remove_irq_from_queues(old, p); irq_set_affinity(p->desc, cpumask_of(new->processor)); spin_unlock_irqrestore(&old->arch.vgic.lock, flags); vgic_vcpu_inject_irq(new, irq); @@ -508,6 +508,15 @@ void vgic_clear_pending_irqs(struct vcpu *v) spin_unlock_irqrestore(&v->arch.vgic.lock, flags); } +void vgic_remove_irq_from_queues(struct vcpu *v, struct pending_irq *p) +{ + ASSERT(spin_is_locked(&v->arch.vgic.lock)); + + clear_bit(GIC_IRQ_GUEST_QUEUED, &p->status); + list_del_init(&p->inflight); + gic_remove_from_lr_pending(v, p); +} + void vgic_vcpu_inject_irq(struct vcpu *v, unsigned int virq) { uint8_t priority; diff --git a/xen/include/asm-arm/gic.h b/xen/include/asm-arm/gic.h index d3d7bda50d..587a14f8b9 100644 --- a/xen/include/asm-arm/gic.h +++ b/xen/include/asm-arm/gic.h @@ -244,7 +244,6 @@ extern void gic_raise_guest_irq(struct vcpu *v, unsigned int irq, unsigned int priority); extern void gic_raise_inflight_irq(struct vcpu *v, unsigned int virtual_irq); extern void gic_remove_from_lr_pending(struct vcpu *v, struct pending_irq *p); -extern void gic_remove_irq_from_queues(struct vcpu *v, struct pending_irq *p); /* Accept an interrupt from the GIC and dispatch its handler */ extern void gic_interrupt(struct cpu_user_regs *regs, int is_fiq); diff --git a/xen/include/asm-arm/vgic.h b/xen/include/asm-arm/vgic.h index e489d0bf21..2a93a7bef9 100644 --- a/xen/include/asm-arm/vgic.h +++ b/xen/include/asm-arm/vgic.h @@ -204,6 +204,7 @@ extern int vcpu_vgic_init(struct vcpu *v); extern struct vcpu *vgic_get_target_vcpu(struct vcpu *v, unsigned int virq); extern void vgic_vcpu_inject_irq(struct vcpu *v, unsigned int virq); extern void vgic_vcpu_inject_spi(struct domain *d, unsigned int virq); +extern void vgic_remove_irq_from_queues(struct vcpu *v, struct pending_irq *p); extern void vgic_clear_pending_irqs(struct vcpu *v); extern void vgic_init_pending_irq(struct pending_irq *p, unsigned int virq); extern struct pending_irq *irq_to_pending(struct vcpu *v, unsigned int irq);