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| author | Michael S. Tsirkin <mst@redhat.com> | 2009-06-29 22:24:26 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-09-10 08:33:05 +0300 |
| commit | 6c474694530f377507f9aca438c17206e051e6e7 (patch) | |
| tree | 11590f6cca777716e7dfbc16c2d98fc7d64c11b0 /include/linux/kvm_host.h | |
| parent | 108b56690f35e083c5559116d6656f59a557a815 (diff) | |
| download | lwn-6c474694530f377507f9aca438c17206e051e6e7.tar.gz lwn-6c474694530f377507f9aca438c17206e051e6e7.zip | |
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/linux/kvm_host.h')
| -rw-r--r-- | include/linux/kvm_host.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 4ea42c950539..96c8c0b01929 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 { |