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KVM: document locking for kvm_io_device_ops

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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>
This commit is contained in:
Michael S. Tsirkin 2009-06-29 22:24:07 +03:00 committed by Avi Kivity
parent d3efc8efdb
commit 69fa2d7865
1 changed files with 3 additions and 0 deletions
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3
virt/kvm/iodev.h
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@ -20,6 +20,9 @@
struct kvm_io_device; struct kvm_io_device;
/**
* kvm_io_device_ops are called under kvm slots_lock.
**/
struct kvm_io_device_ops { struct kvm_io_device_ops {
void (*read)(struct kvm_io_device *this, void (*read)(struct kvm_io_device *this,
gpa_t addr, gpa_t addr,