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mac80211/rt2x00: add ieee80211_tx_status_ni()

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All rt2x00 drivers except rt2800pci call ieee80211_tx_status() from
a workqueue, which causes "NOHZ: local_softirq_pending 08" messages.

To fix it, add ieee80211_tx_status_ni() similar to ieee80211_rx_ni()
which can be called from process context, and call it from
rt2x00lib_txdone().  For the rt2800pci special case a driver
flag is introduced.

Signed-off-by: Johannes Stezenbach <js@sig21.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Stezenbach
2010-11-30 16:49:23 +01:00
committed by John W. Linville
parent 4352fab5c2
commit 20ed3166c8
4 changed files with 32 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/net/wireless/rt2x00/rt2x00dev.c
View File

@@ -379,9 +379,12 @@ void rt2x00lib_txdone(struct queue_entry *entry,
* through a mac80211 library call (RTS/CTS) then we should not
* send the status report back.
*/
if (!(skbdesc_flags & SKBDESC_NOT_MAC80211))
ieee80211_tx_status(rt2x00dev->hw, entry->skb);
else
if (!(skbdesc_flags & SKBDESC_NOT_MAC80211)) {
if (test_bit(DRIVER_REQUIRE_TASKLET_CONTEXT, &rt2x00dev->flags))
ieee80211_tx_status(rt2x00dev->hw, entry->skb);
else
ieee80211_tx_status_ni(rt2x00dev->hw, entry->skb);
} else
dev_kfree_skb_any(entry->skb);
/*