linux-kernel - [PATCHv4 6/6] kvm: document lock nesting rule

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Message-ID: <20090629173449.GG22855@redhat.com>
Date:	Mon, 29 Jun 2009 20:34:49 +0300
From:	"Michael S. Tsirkin" <mst@...hat.com>
To:	Gregory Haskins <ghaskins@...ell.com>, avi@...hat.com
Cc:	kvm@...r.kernel.org, linux-kernel@...r.kernel.org, avi@...hat.com,
	mtosatti@...hat.com, paulmck@...ux.vnet.ibm.com, markmc@...hat.com
Subject: [PATCHv4 6/6] kvm: document lock nesting rule

Document kvm->lock nesting within kvm->slots_lock

Signed-off-by: Michael S. Tsirkin <mst@...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 728118f..afbf006 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);
-- 
1.6.2.2
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