diff options
Diffstat (limited to 'virt/kvm')
| -rw-r--r-- | virt/kvm/eventfd.c | 4 | ||||
| -rw-r--r-- | virt/kvm/kvm_main.c | 16 |
2 files changed, 13 insertions, 7 deletions
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c index d6408bb497dc..c2323c27a28b 100644 --- a/virt/kvm/eventfd.c +++ b/virt/kvm/eventfd.c @@ -853,15 +853,17 @@ kvm_deassign_ioeventfd_idx(struct kvm *kvm, enum kvm_bus bus_idx, struct eventfd_ctx *eventfd; struct kvm_io_bus *bus; int ret = -ENOENT; + bool wildcard; eventfd = eventfd_ctx_fdget(args->fd); if (IS_ERR(eventfd)) return PTR_ERR(eventfd); + wildcard = !(args->flags & KVM_IOEVENTFD_FLAG_DATAMATCH); + mutex_lock(&kvm->slots_lock); list_for_each_entry_safe(p, tmp, &kvm->ioeventfds, list) { - bool wildcard = !(args->flags & KVM_IOEVENTFD_FLAG_DATAMATCH); if (p->bus_idx != bus_idx || p->eventfd != eventfd || diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index cf88233b819a..2541a17ff1c4 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -143,8 +143,6 @@ static void hardware_disable_all(void); static void kvm_io_bus_destroy(struct kvm_io_bus *bus); -static void mark_page_dirty_in_slot(struct kvm_memory_slot *memslot, gfn_t gfn); - __visible bool kvm_rebooting; EXPORT_SYMBOL_GPL(kvm_rebooting); @@ -1247,6 +1245,11 @@ static int kvm_delete_memslot(struct kvm *kvm, memset(&new, 0, sizeof(new)); new.id = old->id; + /* + * This is only for debugging purpose; it should never be referenced + * for a removed memslot. + */ + new.as_id = as_id; r = kvm_set_memslot(kvm, mem, old, &new, as_id, KVM_MR_DELETE); if (r) @@ -1313,6 +1316,7 @@ int __kvm_set_memory_region(struct kvm *kvm, if (!mem->memory_size) return kvm_delete_memslot(kvm, mem, &old, as_id); + new.as_id = as_id; new.id = id; new.base_gfn = mem->guest_phys_addr >> PAGE_SHIFT; new.npages = mem->memory_size >> PAGE_SHIFT; @@ -2639,8 +2643,7 @@ int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len) } EXPORT_SYMBOL_GPL(kvm_clear_guest); -static void mark_page_dirty_in_slot(struct kvm_memory_slot *memslot, - gfn_t gfn) +void mark_page_dirty_in_slot(struct kvm_memory_slot *memslot, gfn_t gfn) { if (memslot && memslot->dirty_bitmap) { unsigned long rel_gfn = gfn - memslot->base_gfn; @@ -2648,6 +2651,7 @@ static void mark_page_dirty_in_slot(struct kvm_memory_slot *memslot, set_bit_le(rel_gfn, memslot->dirty_bitmap); } } +EXPORT_SYMBOL_GPL(mark_page_dirty_in_slot); void mark_page_dirty(struct kvm *kvm, gfn_t gfn) { @@ -4350,10 +4354,10 @@ void kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx, new_bus = kmalloc(struct_size(bus, range, bus->dev_count - 1), GFP_KERNEL_ACCOUNT); if (new_bus) { - memcpy(new_bus, bus, sizeof(*bus) + i * sizeof(struct kvm_io_range)); + memcpy(new_bus, bus, struct_size(bus, range, i)); new_bus->dev_count--; memcpy(new_bus->range + i, bus->range + i + 1, - (new_bus->dev_count - i) * sizeof(struct kvm_io_range)); + flex_array_size(new_bus, range, new_bus->dev_count - i)); } else { pr_err("kvm: failed to shrink bus, removing it completely\n"); for (j = 0; j < bus->dev_count; j++) { |