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authorMichael S. Tsirkin <mst@redhat.com>2009-06-29 15:24:07 -0400
committerAvi Kivity <avi@redhat.com>2009-09-10 01:33:04 -0400
commit69fa2d78653918d200220ca62d44715827e6d617 (patch)
tree6712a126c72d3edc09417698779711a84ad080e4 /virt/kvm
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')
-rw-r--r--virt/kvm/iodev.h3
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 @@
20 20
21struct kvm_io_device; 21struct kvm_io_device;
22 22
23/**
24 * kvm_io_device_ops are called under kvm slots_lock.
25 **/
23struct kvm_io_device_ops { 26struct kvm_io_device_ops {
24 void (*read)(struct kvm_io_device *this, 27 void (*read)(struct kvm_io_device *this,
25 gpa_t addr, 28 gpa_t addr,