From: "Michael S. Tsirkin" <mst@redhat.com>
To: Gregory Haskins <ghaskins@novell.com>, avi@redhat.com
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
avi@redhat.com, mtosatti@redhat.com, paulmck@linux.vnet.ibm.com,
markmc@redhat.com
Subject: [PATCHv4 6/6] kvm: document lock nesting rule
Date: Mon, 29 Jun 2009 20:34:49 +0300 [thread overview]
Message-ID: <20090629173449.GG22855@redhat.com> (raw)
In-Reply-To: <cover.1246294571.git.mst@redhat.com>
Document kvm->lock nesting within kvm->slots_lock
Signed-off-by: Michael S. Tsirkin <mst@redhat.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
prev parent reply other threads:[~2009-06-29 17:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1246294571.git.mst@redhat.com>
2009-06-29 17:34 ` [PATCHv4 1/6] kvm: document locking for kvm_io_device_ops Michael S. Tsirkin
2009-06-29 17:34 ` [PATCHv4 2/6] kvm: switch coalesced mmio changes to slots_lock Michael S. Tsirkin
2009-06-29 17:34 ` [PATCHv4 3/6] kvm: switch pit creation " Michael S. Tsirkin
2009-06-29 17:34 ` [PATCHv4 4/6] kvm: convert bus " Michael S. Tsirkin
2009-06-29 17:34 ` [PATCHv4 5/6] kvm: remove in_range from io devices Michael S. Tsirkin
2009-06-29 17:34 ` Michael S. Tsirkin [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20090629173449.GG22855@redhat.com \
--to=mst@redhat.com \
--cc=avi@redhat.com \
--cc=ghaskins@novell.com \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=markmc@redhat.com \
--cc=mtosatti@redhat.com \
--cc=paulmck@linux.vnet.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.