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authorMichael S. Tsirkin <mst@redhat.com>2009-06-29 22:24:26 +0300
committerAvi Kivity <avi@redhat.com>2009-09-10 08:33:05 +0300
commit6c474694530f377507f9aca438c17206e051e6e7 (patch)
tree11590f6cca777716e7dfbc16c2d98fc7d64c11b0 /include
parent108b56690f35e083c5559116d6656f59a557a815 (diff)
KVM: convert bus to slots_lock
Use slots_lock to protect device list on the bus. slots_lock is already taken for read everywhere, so we only need to take it for write when registering devices. This is in preparation to removing in_range and kvm->lock around it. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/kvm_host.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 4ea42c95053..96c8c0b0192 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -42,6 +42,7 @@
#define KVM_USERSPACE_IRQ_SOURCE_ID 0
+struct kvm;
struct kvm_vcpu;
extern struct kmem_cache *kvm_vcpu_cache;
@@ -61,7 +62,9 @@ void kvm_io_bus_init(struct kvm_io_bus *bus);
void kvm_io_bus_destroy(struct kvm_io_bus *bus);
struct kvm_io_device *kvm_io_bus_find_dev(struct kvm_io_bus *bus,
gpa_t addr, int len, int is_write);
-void kvm_io_bus_register_dev(struct kvm_io_bus *bus,
+void __kvm_io_bus_register_dev(struct kvm_io_bus *bus,
+ struct kvm_io_device *dev);
+void kvm_io_bus_register_dev(struct kvm *kvm, struct kvm_io_bus *bus,
struct kvm_io_device *dev);
struct kvm_vcpu {