1 files changed, 8 insertions, 4 deletions

diff --git a/Documentation/networking/netdevices.txt b/Documentation/networking/netdevices.txt
index 37869295fc70..9f7be9b7785e 100644
--- a/Documentation/networking/netdevices.txt
+++ b/Documentation/networking/netdevices.txt
@@ -95,9 +95,13 @@ dev->set_multicast_list:
         Synchronization: netif_tx_lock spinlock.
         Context: BHs disabled
 
-dev->poll:
-        Synchronization: __LINK_STATE_RX_SCHED bit in dev->state.  See
-                dev_close code and comments in net/core/dev.c for more info.
+struct napi_struct synchronization rules
+========================================
+napi->poll:
+        Synchronization: NAPI_STATE_SCHED bit in napi->state.  Device
+                driver's dev->close method will invoke napi_disable() on
+                all NAPI instances which will do a sleeping poll on the
+                NAPI_STATE_SCHED napi->state bit, waiting for all pending
+                NAPI activity to cease.
         Context: softirq
                  will be called with interrupts disabled by netconsole.
-