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

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Message-Id: <1250686963-8357-47-git-send-email-avi@redhat.com>
Date:	Wed, 19 Aug 2009 16:02:42 +0300
From:	Avi Kivity <avi@...hat.com>
To:	kvm@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 46/47] KVM: document lock nesting rule

From: Michael S. Tsirkin <mst@...hat.com>

Document kvm->lock nesting within kvm->slots_lock

Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
Signed-off-by: Avi Kivity <avi@...hat.com>
---
 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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