path: root/virt/kvm/iodev.h
diff options
authorMichael S. Tsirkin <mst@redhat.com>2009-06-29 22:24:07 +0300
committerAvi Kivity <avi@redhat.com>2009-09-10 08:33:04 +0300
commit69fa2d78653918d200220ca62d44715827e6d617 (patch)
tree6712a126c72d3edc09417698779711a84ad080e4 /virt/kvm/iodev.h
parentd3efc8efdbaa81e9db3089810fcd526fccba234d (diff)
KVM: document locking for kvm_io_device_ops
slots_lock is taken everywhere when device ops are called. Document this as we will use this to rework locking for io. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'virt/kvm/iodev.h')
1 files changed, 3 insertions, 0 deletions
diff --git a/virt/kvm/iodev.h b/virt/kvm/iodev.h
index 2c67f5acd6db..06e38b23fa61 100644
--- a/virt/kvm/iodev.h
+++ b/virt/kvm/iodev.h
@@ -20,6 +20,9 @@
struct kvm_io_device;
+ * kvm_io_device_ops are called under kvm slots_lock.
+ **/
struct kvm_io_device_ops {
void (*read)(struct kvm_io_device *this,
gpa_t addr,

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