[PATCH 46/47] KVM: document lock nesting rule

From: Avi Kivity
Date: Wed Aug 19 2009 - 09:03:53 EST


From: Michael S. Tsirkin <mst@xxxxxxxxxx>

Document kvm->lock nesting within kvm->slots_lock

Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
---
virt/kvm/kvm_main.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 5946065..fc1b58a 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -68,7 +68,7 @@ MODULE_LICENSE("GPL");
/*
* Ordering of locks:
*
- * kvm->lock --> kvm->irq_lock
+ * kvm->slots_lock --> kvm->lock --> kvm->irq_lock
*/

DEFINE_SPINLOCK(kvm_lock);
--
1.6.3.3

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