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OpenCloudOS-Kernel
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OpenCloudOS-Kernel/net/mac80211
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cozybit Inc a3e6b12c02 mac80211: Allocate new mesh path and portal tables before taking locks 
It is unnecessary to hold the path table resize lock while allocating a
new table.  Allocate first and take lock later.  This resolves a
soft-lockup:

[  293.385799] BUG: soft lockup - CPU#0 stuck for 61s! [kworker/u:3:744]
(...)
[  293.386049] Call Trace:
[  293.386049]  [<c119fd04>] do_raw_read_lock+0x26/0x29
[  293.386049]  [<c14b2982>] _raw_read_lock+0x8/0xa
[  293.386049]  [<c148c178>] mesh_path_add+0xb7/0x24e
[  293.386049]  [<c148b98d>] ? mesh_path_lookup+0x1b/0xa6
[  293.386049]  [<c148ded5>] hwmp_route_info_get+0x276/0x2fd
[  293.386049]  [<c148dfb6>] mesh_rx_path_sel_frame+0x5a/0x5d9
[  293.386049]  [<c102667d>] ? update_curr+0x1cf/0x1d7
[  293.386049]  [<c148b45a>] ieee80211_mesh_rx_queued_mgmt+0x60/0x67
[  293.386049]  [<c147c374>] ieee80211_iface_work+0x1f0/0x258
(...)

Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
 		2011-04-13 15:24:48 -04:00
..
Kconfig mac80211: remove the dependency on crypto_blkcipher 2011-04-04 16:20:00 -04:00
Makefile mac80211: add the minstrel_ht rate control algorithm 2010-06-02 16:12:59 -04:00
aes_ccm.c mac80211: Remove redundant checks for NULL before calls to crypto_free_cipher() 2010-11-15 13:26:11 -05:00
aes_ccm.h mac80211: pass scratch buffer directly, remove additional pointers 2008-07-08 14:16:02 -04:00
aes_cmac.c mac80211: Remove redundant checks for NULL before calls to crypto_free_cipher() 2010-11-15 13:26:11 -05:00
aes_cmac.h mac80211: 802.11w - Add BIP (AES-128-CMAC) 2009-01-29 16:00:02 -05:00
agg-rx.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 2011-01-28 16:23:14 -05:00
agg-tx.c mac80211: allow advertising correct maximum aggregate size 2011-01-19 11:36:12 -05:00
cfg.c {mac|nl}80211: Add station connected time 2011-04-12 16:58:47 -04:00
cfg.h
…
chan.c mac80211: fix channel type recalculation with HT and non-HT interfaces 2011-03-14 14:46:58 -04:00
debugfs.c wifi: Add hwflags to debugfs. 2011-04-04 16:18:33 -04:00
debugfs.h mac80211: refactor debugfs function generation code 2010-11-15 13:24:48 -05:00
debugfs_key.c mac80211: support separate default keys 2010-12-13 15:23:29 -05:00
debugfs_key.h mac80211: support separate default keys 2010-12-13 15:23:29 -05:00
debugfs_netdev.c mac80211: Add testing functionality for TKIP 2011-02-03 16:45:29 -05:00
debugfs_netdev.h mac80211: reduce reliance on netdev 2009-12-21 18:38:52 -05:00
debugfs_sta.c {mac|nl}80211: Add station connected time 2011-04-12 16:58:47 -04:00
debugfs_sta.h
…
driver-ops.h mac80211: Check for queued frames before entering power save. 2011-04-12 16:57:34 -04:00
driver-trace.c mac80211: fix sparse warnings/errors 2009-08-04 16:43:25 -04:00
driver-trace.h mac80211: Check for queued frames before entering power save. 2011-04-12 16:57:34 -04:00
event.c cfg80211: use proper allocation flags 2009-07-10 15:01:49 -04:00
ht.c mac80211: copy peer MCS TX parameters 2011-02-25 15:33:39 -05:00
ibss.c mac80211: fix suppressing probe responses in ad-hoc mode 2011-04-04 16:19:59 -04:00
ieee80211_i.h mac80211: ignore peers if security is enabled for this mesh 2011-04-12 16:57:37 -04:00
iface.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2011-03-03 21:27:42 -08:00
key.c mac80211: fix possible NULL pointer dereference 2011-03-28 15:42:02 -04:00
key.h mac80211: remove unused macros 2011-03-07 13:48:30 -05:00
led.c mac80211: remove stray extern 2011-01-05 16:07:12 -05:00
led.h mac80211: selective throughput LED trigger active 2010-12-22 14:33:37 -05:00
main.c mac80211: send notification on new peer candidate for our secure mesh 2011-04-12 16:58:24 -04:00
mesh.c mac80211: send notification on new peer candidate for our secure mesh 2011-04-12 16:58:24 -04:00
mesh.h mac80211: send notification on new peer candidate for our secure mesh 2011-04-12 16:58:24 -04:00
mesh_hwmp.c nl80211/mac80211: define and allow configuring mesh element TTL 2010-12-06 16:01:28 -05:00
mesh_pathtbl.c mac80211: Allocate new mesh path and portal tables before taking locks 2011-04-13 15:24:48 -04:00
mesh_plink.c mac80211: send notification on new peer candidate for our secure mesh 2011-04-12 16:58:24 -04:00
michael.c mac80211: remove ieee80211_get_hdr_info 2008-07-08 14:16:01 -04:00
michael.h mac80211: remove ieee80211_get_hdr_info 2008-07-08 14:16:01 -04:00
mlme.c mac80211: Check for queued frames before entering power save. 2011-04-12 16:57:34 -04:00
offchannel.c mac80211: Optimize scans on current operating channel. 2011-02-04 16:30:32 -05:00
pm.c mac80211: assure we also cancel deferred scan request 2010-10-06 16:30:42 -04:00
rate.c cfg80211/mac80211: improve ad-hoc multicast rate handling 2010-11-24 16:19:35 -05:00
rate.h mac80211: add the minstrel_ht rate control algorithm 2010-06-02 16:12:59 -04:00
rc80211_minstrel.c minstrel: don't complain about feedback for unrequested rates 2010-07-26 15:09:04 -04:00
rc80211_minstrel.h minstrel: make the rate control ops reusable from another rc implementation 2010-03-10 17:44:23 -05:00
rc80211_minstrel_debugfs.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
rc80211_minstrel_ht.c mac80211: fix a crash in minstrel_ht in HT mode with no supported MCS rates 2011-03-28 15:42:01 -04:00
rc80211_minstrel_ht.h minstrel_ht: move minstrel_mcs_groups declaration to header file 2010-06-24 15:42:18 -04:00
rc80211_minstrel_ht_debugfs.c mac80211: disallow seeks in minstrel debug code 2010-09-16 10:33:17 +02:00
rc80211_pid.h mac80211: remove unused macros 2011-03-07 13:48:30 -05:00
rc80211_pid_algo.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
rc80211_pid_debugfs.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2010-10-23 11:47:02 -07:00
rx.c mac80211: receive EAP frames from a station in an AP VLAN on the main AP 2011-04-13 15:21:52 -04:00
scan.c mac80211: fix scan race, simplify code 2011-03-07 13:51:04 -05:00
spectmgmt.c mac80211: reduce reliance on netdev 2009-12-21 18:38:52 -05:00
sta_info.c {mac|nl}80211: Add station connected time 2011-04-12 16:58:47 -04:00
sta_info.h {mac|nl}80211: Add station connected time 2011-04-12 16:58:47 -04:00
status.c mac80211: Minor optimization in tx status handling 2011-03-30 14:15:16 -04:00
tkip.c mac80211: remove the dependency on crypto_blkcipher 2011-04-04 16:20:00 -04:00
tkip.h mac80211: remove the dependency on crypto_blkcipher 2011-04-04 16:20:00 -04:00
tx.c nl80211: rename NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE 2011-04-12 16:57:37 -04:00
util.c mac80211: clean up station cleanup timer 2011-04-04 16:20:07 -04:00
wep.c mac80211: remove the dependency on crypto_blkcipher 2011-04-04 16:20:00 -04:00
wep.h mac80211: remove the dependency on crypto_blkcipher 2011-04-04 16:20:00 -04:00
wme.c mac80211: cleanup select_queue 2010-12-22 15:44:22 -05:00
wme.h mac80211: fix skb buffering issue 2010-01-05 16:21:40 -05:00
work.c mac80211: remove unused macros 2011-03-07 13:48:30 -05:00
wpa.c mac80211: Add testing functionality for TKIP 2011-02-03 16:45:29 -05:00
wpa.h mac80211: 802.11w - Add BIP (AES-128-CMAC) 2009-01-29 16:00:02 -05:00