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Code Issues Releases Wiki Activity

dpif: Update documentation for RCU-protected actions.

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The userspace datapath returns RCU-protected actions from flow_get() and
flow_dump_next(). This doesn't cause any trouble for current users of
these functions, but it imposes additional constraints on their use.
This patch makes the dpif documentation more explicit about how the
results of these functions can be used.

Signed-off-by: Joe Stringer <joestringer@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
This commit is contained in:
Joe Stringer
2014-07-15 12:04:52 +00:00
parent bdba1947ed
commit 58df55ce45
3 changed files with 12 additions and 6 deletions
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1
lib/dpif-netdev.c
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@@ -1466,7 +1466,6 @@ dpif_netdev_flow_dump_thread_destroy(struct dpif_flow_dump_thread *thread_)
free(thread);
}
/* XXX the caller must use 'actions' without quiescing */
static int
dpif_netdev_flow_dump_next(struct dpif_flow_dump_thread *thread_,
struct dpif_flow *flows, int max_flows)