diff options
author | David Hildenbrand <david@redhat.com> | 2017-04-07 10:50:23 +0200 |
---|---|---|
committer | Radim Krčmář <rkrcmar@redhat.com> | 2017-04-12 20:17:13 +0200 |
commit | 90bca0529e1bc94fd36659217603e8a1c3f9ad83 (patch) | |
tree | 041243ae001c638a756d3e5146699f54605122e3 | |
parent | f567080bdd967fa09326442ac18826c0618fa6c9 (diff) |
KVM: x86: get rid of pic_irqchip()
It seemed like a nice idea to encapsulate access to kvm->arch.vpic. But
as the usage is already mixed, internal locks are taken outside of i8259.c
and grepping for "vpic" only is much easier, let's just get rid of
pic_irqchip().
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
-rw-r--r-- | arch/x86/kvm/i8259.c | 4 | ||||
-rw-r--r-- | arch/x86/kvm/irq.c | 2 | ||||
-rw-r--r-- | arch/x86/kvm/irq.h | 5 | ||||
-rw-r--r-- | arch/x86/kvm/irq_comm.c | 4 | ||||
-rw-r--r-- | arch/x86/kvm/x86.c | 24 |
5 files changed, 16 insertions, 23 deletions
diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c index 047b17a26269..af97c5a1f142 100644 --- a/arch/x86/kvm/i8259.c +++ b/arch/x86/kvm/i8259.c @@ -239,7 +239,7 @@ static inline void pic_intack(struct kvm_kpic_state *s, int irq) int kvm_pic_read_irq(struct kvm *kvm) { int irq, irq2, intno; - struct kvm_pic *s = pic_irqchip(kvm); + struct kvm_pic *s = kvm->arch.vpic; s->output = 0; @@ -576,7 +576,7 @@ static int picdev_eclr_read(struct kvm_vcpu *vcpu, struct kvm_io_device *dev, */ static void pic_irq_request(struct kvm *kvm, int level) { - struct kvm_pic *s = pic_irqchip(kvm); + struct kvm_pic *s = kvm->arch.vpic; if (!s->output) s->wakeup_needed = true; diff --git a/arch/x86/kvm/irq.c b/arch/x86/kvm/irq.c index 60d91c9d160c..5c24811e8b0b 100644 --- a/arch/x86/kvm/irq.c +++ b/arch/x86/kvm/irq.c @@ -60,7 +60,7 @@ static int kvm_cpu_has_extint(struct kvm_vcpu *v) if (irqchip_split(v->kvm)) return pending_userspace_extint(v); else - return pic_irqchip(v->kvm)->output; + return v->kvm->arch.vpic->output; } else return 0; } diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h index 26d8dd4a4323..8fec66d1b9a9 100644 --- a/arch/x86/kvm/irq.h +++ b/arch/x86/kvm/irq.h @@ -78,11 +78,6 @@ void kvm_pic_destroy(struct kvm *kvm); int kvm_pic_read_irq(struct kvm *kvm); void kvm_pic_update_irq(struct kvm_pic *s); -static inline struct kvm_pic *pic_irqchip(struct kvm *kvm) -{ - return kvm->arch.vpic; -} - static inline int pic_in_kernel(struct kvm *kvm) { int mode = kvm->arch.irqchip_mode; diff --git a/arch/x86/kvm/irq_comm.c b/arch/x86/kvm/irq_comm.c index 2e5eec8c39fc..d82fc1443a63 100644 --- a/arch/x86/kvm/irq_comm.c +++ b/arch/x86/kvm/irq_comm.c @@ -42,7 +42,7 @@ static int kvm_set_pic_irq(struct kvm_kernel_irq_routing_entry *e, struct kvm *kvm, int irq_source_id, int level, bool line_status) { - struct kvm_pic *pic = pic_irqchip(kvm); + struct kvm_pic *pic = kvm->arch.vpic; return kvm_pic_set_irq(pic, e->irqchip.pin, irq_source_id, level); } @@ -236,7 +236,7 @@ void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id) goto unlock; kvm_ioapic_clear_all(kvm->arch.vioapic, irq_source_id); - kvm_pic_clear_all(pic_irqchip(kvm), irq_source_id); + kvm_pic_clear_all(kvm->arch.vpic, irq_source_id); unlock: mutex_unlock(&kvm->irq_lock); } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index c7956ce6a242..c50d6b62425f 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3715,18 +3715,17 @@ static int kvm_vm_ioctl_get_nr_mmu_pages(struct kvm *kvm) static int kvm_vm_ioctl_get_irqchip(struct kvm *kvm, struct kvm_irqchip *chip) { + struct kvm_pic *pic = kvm->arch.vpic; int r; r = 0; switch (chip->chip_id) { case KVM_IRQCHIP_PIC_MASTER: - memcpy(&chip->chip.pic, - &pic_irqchip(kvm)->pics[0], + memcpy(&chip->chip.pic, &pic->pics[0], sizeof(struct kvm_pic_state)); break; case KVM_IRQCHIP_PIC_SLAVE: - memcpy(&chip->chip.pic, - &pic_irqchip(kvm)->pics[1], + memcpy(&chip->chip.pic, &pic->pics[1], sizeof(struct kvm_pic_state)); break; case KVM_IRQCHIP_IOAPIC: @@ -3741,23 +3740,22 @@ static int kvm_vm_ioctl_get_irqchip(struct kvm *kvm, struct kvm_irqchip *chip) static int kvm_vm_ioctl_set_irqchip(struct kvm *kvm, struct kvm_irqchip *chip) { + struct kvm_pic *pic = kvm->arch.vpic; int r; r = 0; switch (chip->chip_id) { case KVM_IRQCHIP_PIC_MASTER: - spin_lock(&pic_irqchip(kvm)->lock); - memcpy(&pic_irqchip(kvm)->pics[0], - &chip->chip.pic, + spin_lock(&pic->lock); + memcpy(&pic->pics[0], &chip->chip.pic, sizeof(struct kvm_pic_state)); - spin_unlock(&pic_irqchip(kvm)->lock); + spin_unlock(&pic->lock); break; case KVM_IRQCHIP_PIC_SLAVE: - spin_lock(&pic_irqchip(kvm)->lock); - memcpy(&pic_irqchip(kvm)->pics[1], - &chip->chip.pic, + spin_lock(&pic->lock); + memcpy(&pic->pics[1], &chip->chip.pic, sizeof(struct kvm_pic_state)); - spin_unlock(&pic_irqchip(kvm)->lock); + spin_unlock(&pic->lock); break; case KVM_IRQCHIP_IOAPIC: r = kvm_set_ioapic(kvm, &chip->chip.ioapic); @@ -3766,7 +3764,7 @@ static int kvm_vm_ioctl_set_irqchip(struct kvm *kvm, struct kvm_irqchip *chip) r = -EINVAL; break; } - kvm_pic_update_irq(pic_irqchip(kvm)); + kvm_pic_update_irq(pic); return r; } |