[ovs-dev] [PATCH 2/7] datapath: Acquire dp->mutex when deleting a datapath.
Ben Pfaff
blp at nicira.com
Thu Dec 30 17:26:11 UTC 2010
On Wed, Dec 29, 2010 at 03:41:30PM -0800, Jesse Gross wrote:
> It's possible that someone is using the datapath data structures
> when we attempt to delete the datapath. The first writer will
> only hold dp->mutex, which we don't currently acquire when deleting.
> This adds that lock to prevent a potential race (this can't currently
> happen because userspace is single threaded).
...as long as no one runs "ovs-dpctl del-dp" while running ovs-vswitchd.
> Signed-off-by: Jesse Gross <jesse at nicira.com>
Acked-by: Ben Pfaff <blp at nicira.com>
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