From e93f8a0f821e290ac5149830110a5f704db7a1fc Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Wed, 23 Dec 2009 14:35:24 -0200 Subject: KVM: convert io_bus to SRCU Signed-off-by: Marcelo Tosatti --- arch/ia64/kvm/kvm-ia64.c | 4 ++-- arch/x86/kvm/i8254.c | 6 +++--- arch/x86/kvm/i8259.c | 4 +++- arch/x86/kvm/x86.c | 13 +++++++------ 4 files changed, 15 insertions(+), 12 deletions(-) (limited to 'arch') diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index b2e4d16dd39e..d0ad538f0083 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -241,10 +241,10 @@ static int handle_mmio(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) return 0; mmio: if (p->dir) - r = kvm_io_bus_read(&vcpu->kvm->mmio_bus, p->addr, + r = kvm_io_bus_read(vcpu->kvm, KVM_MMIO_BUS, p->addr, p->size, &p->data); else - r = kvm_io_bus_write(&vcpu->kvm->mmio_bus, p->addr, + r = kvm_io_bus_write(vcpu->kvm, KVM_MMIO_BUS, p->addr, p->size, &p->data); if (r) printk(KERN_ERR"kvm: No iodevice found! addr:%lx\n", p->addr); diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index 15578f180e59..4b433de02e5b 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -645,13 +645,13 @@ struct kvm_pit *kvm_create_pit(struct kvm *kvm, u32 flags) kvm_register_irq_mask_notifier(kvm, 0, &pit->mask_notifier); kvm_iodevice_init(&pit->dev, &pit_dev_ops); - ret = __kvm_io_bus_register_dev(&kvm->pio_bus, &pit->dev); + ret = kvm_io_bus_register_dev(kvm, KVM_PIO_BUS, &pit->dev); if (ret < 0) goto fail; if (flags & KVM_PIT_SPEAKER_DUMMY) { kvm_iodevice_init(&pit->speaker_dev, &speaker_dev_ops); - ret = __kvm_io_bus_register_dev(&kvm->pio_bus, + ret = kvm_io_bus_register_dev(kvm, KVM_PIO_BUS, &pit->speaker_dev); if (ret < 0) goto fail_unregister; @@ -660,7 +660,7 @@ struct kvm_pit *kvm_create_pit(struct kvm *kvm, u32 flags) return pit; fail_unregister: - __kvm_io_bus_unregister_dev(&kvm->pio_bus, &pit->dev); + kvm_io_bus_unregister_dev(kvm, KVM_PIO_BUS, &pit->dev); fail: if (pit->irq_source_id >= 0) diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c index d057c0cbd245..b7d145b20953 100644 --- a/arch/x86/kvm/i8259.c +++ b/arch/x86/kvm/i8259.c @@ -533,7 +533,9 @@ struct kvm_pic *kvm_create_pic(struct kvm *kvm) * Initialize PIO device */ kvm_iodevice_init(&s->dev, &picdev_ops); - ret = kvm_io_bus_register_dev(kvm, &kvm->pio_bus, &s->dev); + down_write(&kvm->slots_lock); + ret = kvm_io_bus_register_dev(kvm, KVM_PIO_BUS, &s->dev); + up_write(&kvm->slots_lock); if (ret < 0) { kfree(s); return NULL; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 28127c936c3b..9b42673df4af 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2851,7 +2851,7 @@ static int vcpu_mmio_write(struct kvm_vcpu *vcpu, gpa_t addr, int len, !kvm_iodevice_write(&vcpu->arch.apic->dev, addr, len, v)) return 0; - return kvm_io_bus_write(&vcpu->kvm->mmio_bus, addr, len, v); + return kvm_io_bus_write(vcpu->kvm, KVM_MMIO_BUS, addr, len, v); } static int vcpu_mmio_read(struct kvm_vcpu *vcpu, gpa_t addr, int len, void *v) @@ -2860,7 +2860,7 @@ static int vcpu_mmio_read(struct kvm_vcpu *vcpu, gpa_t addr, int len, void *v) !kvm_iodevice_read(&vcpu->arch.apic->dev, addr, len, v)) return 0; - return kvm_io_bus_read(&vcpu->kvm->mmio_bus, addr, len, v); + return kvm_io_bus_read(vcpu->kvm, KVM_MMIO_BUS, addr, len, v); } static int kvm_read_guest_virt(gva_t addr, void *val, unsigned int bytes, @@ -3345,11 +3345,12 @@ static int kernel_pio(struct kvm_vcpu *vcpu, void *pd) int r; if (vcpu->arch.pio.in) - r = kvm_io_bus_read(&vcpu->kvm->pio_bus, vcpu->arch.pio.port, + r = kvm_io_bus_read(vcpu->kvm, KVM_PIO_BUS, vcpu->arch.pio.port, vcpu->arch.pio.size, pd); else - r = kvm_io_bus_write(&vcpu->kvm->pio_bus, vcpu->arch.pio.port, - vcpu->arch.pio.size, pd); + r = kvm_io_bus_write(vcpu->kvm, KVM_PIO_BUS, + vcpu->arch.pio.port, vcpu->arch.pio.size, + pd); return r; } @@ -3360,7 +3361,7 @@ static int pio_string_write(struct kvm_vcpu *vcpu) int i, r = 0; for (i = 0; i < io->cur_count; i++) { - if (kvm_io_bus_write(&vcpu->kvm->pio_bus, + if (kvm_io_bus_write(vcpu->kvm, KVM_PIO_BUS, io->port, io->size, pd)) { r = -EOPNOTSUPP; break; -- cgit v1.2.3