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Ian Campbell a144ff09bc xen: Avoid allocations causing swap activity on the resume path 
Avoid allocations causing swap activity on the resume path by
preventing the allocations from doing IO and allowing them
to access the emergency pools.

These paths are used when a frontend device is trying to connect
to its backend driver over Xenbus.  These reconnections are triggered
on demand by IO, so by definition there is already IO underway,
and further IO would naturally deadlock.  On resume, this path
is triggered when the running system tries to continue using its
devices.  If it cannot then the resume will fail; to try to avoid this
we let it dip into the emergency pools.

[ linux-2.6.18-xen changesets e8b49cfbdac, fdb998e79aba ]

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
 		2008-07-03 13:21:13 +02:00
..
appletalk fix warning in drivers/net/appletalk/cops.c 2008-05-06 12:16:24 -04:00
arcnet drivers/net/arcnet/arcnet.c: use time_* macros 2008-03-28 22:14:15 -04:00
arm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-04-30 08:45:48 -07:00
atlx atl1: relax eeprom mac address error check 2008-06-17 23:09:21 -04:00
bonding bonding: handle case of device named bonding_master 2008-05-14 22:35:04 -07:00
can
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chelsio
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cris
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cxgb3 cxgb3 - fix EEH 2008-05-13 01:31:37 -04:00
e1000 e1000: only enable TSO6 via ethtool when using correct hardware 2008-06-27 01:31:08 -04:00
e1000e e1000e: fix EEH recovery during reset on PPC 2008-06-27 01:27:48 -04:00
ehea net: Eliminate flush_scheduled_work() calls while RTNL is held. 2008-06-12 02:22:02 -07:00
fec_8xx
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fs_enet drivers/net/fs_enet: remove null pointer dereference 2008-05-22 06:26:28 -04:00
hamradio hamradio: remove unused variable 2008-06-27 17:22:08 -07:00
ibm_emac
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ibm_newemac ibm_newemac: select CRC32 in Kconfig 2008-06-17 23:06:56 -04:00
igb igb: fix EEH recovery during reset on PPC 2008-06-27 01:27:47 -04:00
irda irda: net/irda build fix: mcs7780 2008-06-09 15:47:38 -07:00
ixgb ixgb: convert uint16_t style integers to u16 2008-04-16 20:41:44 -04:00
ixgbe ixgbe: fix EEH recovery during reset on PPC 2008-06-27 01:27:46 -04:00
ixp2000
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mlx4 mlx4_core: Support creation of FMRs with pages smaller than 4K 2008-05-05 15:56:52 -07:00
myri10ge myri10ge: update driver version 2008-05-30 22:07:19 -04:00
netxen [netdrvr] netxen: fix netxen_pci_tbl[] breakage 2008-06-27 01:30:46 -04:00
pcmcia pcnet_cs, axnet_cs: clear bogus interrupt before request_irq 2008-06-27 01:28:21 -04:00
phy phylib: do EXPORT_SYMBOL on get_phy_id 2008-05-22 14:01:01 -04:00
sfc sfc: Recover from RX queue flush failure 2008-06-10 18:20:21 -04:00
skfp skfp annotations 2008-03-26 00:18:44 -04:00
tokenring drivers/net/tokenring/olympic.c: fix warning 2008-05-22 06:03:30 -04:00
tulip net: Eliminate flush_scheduled_work() calls while RTNL is held. 2008-06-12 02:22:02 -07:00
usb net: Eliminate flush_scheduled_work() calls while RTNL is held. 2008-06-12 02:22:02 -07:00
wan Hold RTNL while calling dev_close() 2008-06-27 01:31:52 -04:00
wireless hostap: fix sparse warnings 2008-06-30 15:43:52 -04:00
3c59x.c [netdrvr] 3c59x: remove irqs_disabled warning from local_bh_enable 2008-06-27 01:30:33 -04:00
3c501.c 3c501: Further coding style fixes 2008-03-17 08:11:03 -04:00
3c501.h
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3c503.c
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3c503.h
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3c505.c 3c505: use netstats in net_device structure 2008-04-29 01:55:11 -04:00
3c505.h 3c505: use netstats in net_device structure 2008-04-29 01:55:11 -04:00
3c507.c
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3c509.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-05-26 10:14:02 -07:00
3c515.c 3c515: use netstats in net_device structure 2008-04-29 01:55:14 -04:00
3c523.c
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3c523.h
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3c527.c Convert asm/semaphore.h users to linux/semaphore.h 2008-04-18 22:22:54 -04:00
3c527.h
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7990.c add missing lance_* exports 2008-06-10 18:20:17 -04:00
7990.h
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8139cp.c
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8139too.c misc drivers/net annotations 2008-03-26 00:18:43 -04:00
8390.c net: fix returning void-valued expression warnings 2008-05-01 02:47:38 -07:00
8390.h
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82596.c m68k: Some network drivers do not check the platform 2008-05-18 13:28:49 -07:00
Kconfig [POWERPC] ehea: Remove dependency on MEMORY_HOTPLUG 2008-06-09 11:32:44 +10:00
LICENSE.SRC
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Makefile Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-04-30 08:45:48 -07:00
Space.c
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a2065.c
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a2065.h
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ac3200.c drivers/net/ac3200.c: replace init_module&cleanup_module with module_init&module_exit 2008-03-05 18:50:41 -08:00
acenic.c
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acenic.h
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acenic_firmware.h
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amd8111e.c
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amd8111e.h
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apne.c m68k: Some network drivers do not check the platform 2008-05-18 13:28:49 -07:00
ariadne.c
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ariadne.h
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at1700.c /drivers/net/at1700.c replaced init_module&cleanup_module with module_init&module_exit 2008-03-17 07:49:27 -04:00
atarilance.c /drivers/net/atarilance.c replaced init_module&cleanup_module with module_init&module_exit 2008-03-17 07:49:28 -04:00
atp.c misc drivers/net annotations 2008-03-26 00:18:43 -04:00
atp.h
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au1000_eth.c au1000_eth: remove useless check 2008-05-22 06:20:14 -04:00
au1000_eth.h
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ax88796.c net drivers: fix platform driver hotplug/coldplug 2008-04-25 02:08:54 -04:00
b44.c ssb: Fix usage of struct device used for DMAing 2008-04-15 15:04:35 -04:00
b44.h
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bfin_mac.c Blackfin EMAC Driver: Removed duplicated include <linux/ethtool.h> 2008-05-22 06:20:11 -04:00
bfin_mac.h Blackfin EMAC Driver: code cleanup 2008-04-29 01:56:14 -04:00
bmac.c
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bmac.h
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bnx2.c net: Eliminate flush_scheduled_work() calls while RTNL is held. 2008-06-12 02:22:02 -07:00
bnx2.h net: Eliminate flush_scheduled_work() calls while RTNL is held. 2008-06-12 02:22:02 -07:00
bnx2_fw.h
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bnx2_fw2.h bnx2: Update RV2P firmware for 5709. 2008-05-02 16:57:59 -07:00
bnx2x.c bnx2x: Updating the Maintainer 2008-06-12 14:30:28 -07:00
bnx2x.h bnx2x: Updating the Maintainer 2008-06-12 14:30:28 -07:00
bnx2x_fw_defs.h [BNX2X]: Correct Link management 2008-02-28 11:51:50 -08:00
bnx2x_hsi.h [BNX2X]: Correct Link management 2008-02-28 11:51:50 -08:00
bnx2x_init.h bnx2x: Updating the Maintainer 2008-06-12 14:30:28 -07:00
bnx2x_init_values.h
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bnx2x_reg.h [BNX2X]: Correct Link management 2008-02-28 11:51:50 -08:00
bsd_comp.c
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cassini.c cassini: Only use chip checksum for ipv4 packets. 2008-05-21 17:05:34 -07:00
cassini.h
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cpmac.c cpmac bugfixes and enhancements 2008-05-22 06:20:02 -04:00
cs89x0.c [netdrvr] CS89X0: Add cleanup for dma after fail 2008-05-30 22:07:11 -04:00
cs89x0.h
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de600.c
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de600.h
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de620.c
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de620.h
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declance.c
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defxx.c misc drivers/net annotations 2008-03-26 00:18:43 -04:00
defxx.h
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depca.c
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depca.h
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dl2k.c
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dl2k.h
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dm9000.c [netdrvr] dm9000: use delayed work to update mii phy state fix 2008-05-22 06:03:28 -04:00
dm9000.h
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dummy.c
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e100.c e100: Do pci_dma_sync after skb_alloc for proper operation on ixp4xx 2008-06-27 01:30:59 -04:00
e2100.c
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eepro.c net: eepro autoport typo 2008-04-29 01:56:01 -04:00
eepro100.c
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eexpress.c [netdrvr] eexpress: IPv6 fails - multicast problems 2008-05-06 12:22:34 -04:00
eexpress.h
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enc28j60.c net/enc28j60: low power mode 2008-06-17 23:07:29 -04:00
enc28j60_hw.h
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epic100.c epic100 endianness annotations and fixes 2008-03-17 07:56:38 -04:00
eql.c
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es3210.c
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eth16i.c
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ewrk3.c
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ewrk3.h
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fealnx.c
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fec.c m68knommu: fix FEC driver locking 2008-05-01 08:08:36 -07:00
fec.h m68knommu: fix ColdFire 5272 fec driver hash registers 2008-05-01 08:08:36 -07:00
fec_mpc52xx.c fec_mpc52xx: MPC52xx_MESSAGES_DEFAULT: 2nd NETIF_MSG_IFDOWN => IFUP 2008-06-11 22:24:42 -04:00
fec_mpc52xx.h [POWERPC] mpc5200: Allow for fixed speed MII configurations 2008-05-01 11:05:58 -06:00
fec_mpc52xx_phy.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 2008-04-17 23:56:30 -07:00
forcedeth.c forcedeth: msi interrupts 2008-06-10 18:20:13 -04:00
gianfar.c gianfar: Fix a bug where the pointer never moves for dma_unmap... 2008-05-13 01:31:38 -04:00
gianfar.h gianfar: Fix a locking bug in gianfar's sysfs code 2008-05-06 12:01:34 -04:00
gianfar_ethtool.c
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gianfar_mii.c [netdrvr] gianfar: Determine TBIPA value dynamically 2008-04-29 01:57:57 -04:00
gianfar_mii.h [netdrvr] gianfar: Determine TBIPA value dynamically 2008-04-29 01:57:57 -04:00
gianfar_sysfs.c gianfar: Fix a locking bug in gianfar's sysfs code 2008-05-06 12:01:34 -04:00
hamachi.c net: use get/put_unaligned_* helpers 2008-04-29 08:06:27 -07:00
hp-plus.c
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hp.c
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hp100.c
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hp100.h
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hplance.c
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hplance.h
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hydra.c
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ibmlana.c
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ibmlana.h
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ibmveth.c netdev: use non-racy method for proc entries creation 2008-04-29 08:06:22 -07:00
ibmveth.h
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ifb.c [NET] ifb: set separate lockdep classes for queue locks 2008-03-20 17:05:13 -07:00
ioc3-eth.c [IOC3] Fix section missmatch 2008-03-17 08:11:41 -04:00
ipg.c ipg: use NULL, not zero, for pointers 2008-06-27 01:28:31 -04:00
ipg.h
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isa-skeleton.c
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iseries_veth.c [POWERPC] properly declare onstack completion in iseries veth 2008-04-17 07:46:11 +10:00
jazzsonic.c net drivers: fix platform driver hotplug/coldplug 2008-04-25 02:08:54 -04:00
korina.c korina: misc cleanup 2008-04-25 02:08:51 -04:00
lance.c
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lasi_82596.c
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lib8390.c
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lib82596.c
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lne390.c
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loopback.c [NET] NETNS: Omit net_device->nd_net without CONFIG_NET_NS. 2008-03-26 04:39:53 +09:00
lp486e.c
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mac89x0.c m68k: Some network drivers do not check the platform 2008-05-18 13:28:49 -07:00
mac8390.c
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macb.c net drivers: fix platform driver hotplug/coldplug 2008-04-25 02:08:54 -04:00
macb.h
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mace.c
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mace.h
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macmace.c m68k: Some network drivers do not check the platform 2008-05-18 13:28:49 -07:00
macsonic.c
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macvlan.c macvlan: Fix memleak on device removal/crash on module removal 2008-05-08 01:13:31 -07:00
meth.c net drivers: fix platform driver hotplug/coldplug 2008-04-25 02:08:54 -04:00
meth.h
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mii.c
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mipsnet.c
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mv643xx_eth.c mv643xx_eth: inter-mv643xx SMI port sharing 2008-04-28 21:17:07 -07:00
mvme147.c
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myri_code.h
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myri_sbus.c
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myri_sbus.h
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natsemi.c natsemi: fix MMIO for PPC 44x platforms 2008-04-17 15:31:31 -04:00
ne-h8300.c
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ne.c
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ne2.c
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ne2k-pci.c more misannotations: ne2k-pci 2008-03-17 07:56:33 -04:00
ne3210.c
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netconsole.c netconsole: only set CON_PRINTBUFFER if the user specifies a netconsole 2008-04-15 00:49:04 -07:00
netx-eth.c net drivers: fix platform driver hotplug/coldplug 2008-04-25 02:08:54 -04:00
ni52.c ni52: more unbreaking 2008-03-26 00:18:04 -04:00
ni52.h ni52: unbreak scp_struct 2008-03-26 00:18:00 -04:00
ni65.c
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ni65.h
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ni5010.c
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ni5010.h
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niu.c niu: Determine the # of ports from the card's VPD data 2008-05-12 03:10:59 -07:00
niu.h niu: Determine the # of ports from the card's VPD data 2008-05-12 03:10:59 -07:00
ns83820.c
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pasemi_mac.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc 2008-04-21 15:50:49 -07:00
pasemi_mac.h pasemi_mac: basic ethtool support 2008-03-05 16:34:41 -06:00
pasemi_mac_ethtool.c pasemi_mac: basic ethtool support 2008-03-05 16:34:41 -06:00
pci-skeleton.c
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pcnet32.c pcnet32: fix warning 2008-05-22 06:03:29 -04:00
plip.c plip: replace spin_lock_irq with spin_lock_irqsave in irq context 2008-04-01 11:16:04 -07:00
ppp_async.c tty: add throttle/unthrottle helpers 2008-04-30 08:29:47 -07:00
ppp_deflate.c
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ppp_generic.c ppp: Do not free not yet unregistered net device. 2008-05-13 23:51:18 -07:00
ppp_mppe.c
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ppp_mppe.h
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ppp_synctty.c tty: add throttle/unthrottle helpers 2008-04-30 08:29:47 -07:00
pppoe.c pppoe: warning fix 2008-06-20 21:58:02 -07:00
pppol2tp.c l2tp: Fix potential memory corruption in pppol2tp_recvmsg() 2008-06-10 12:35:00 -07:00
pppox.c
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ps3_gelic_net.c [POWERPC] PS3: Gelic network driver Wake-on-LAN support 2008-04-01 20:43:08 +11:00
ps3_gelic_net.h [POWERPC] PS3: Gelic network driver Wake-on-LAN support 2008-04-01 20:43:08 +11:00
ps3_gelic_wireless.c PS3: gelic: fix memory leak 2008-05-12 21:44:41 -04:00
ps3_gelic_wireless.h
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qla3xxx.c qla3xxx: Hold RTNL while calling dev_close() 2008-06-27 01:31:50 -04:00
qla3xxx.h
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r6040.c drivers/net/r6040.c: Eliminate double sizeof 2008-06-27 01:28:25 -04:00
r8169.c r8169: fix oops in r8169_get_mac_version 2008-04-17 22:48:41 +02:00
rionet.c [RAPIDIO] Auto-probe the RapidIO system size 2008-04-29 19:40:28 +10:00
rrunner.c
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rrunner.h
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s2io-regs.h S2io: Added napi support when MSIX is enabled. 2008-05-22 06:26:21 -04:00
s2io.c [netdrvr] Fix IOMMU overflow checking in s2io.c 2008-06-27 01:31:22 -04:00
s2io.h [netdrvr] Fix IOMMU overflow checking in s2io.c 2008-06-27 01:31:22 -04:00
saa9730.c
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saa9730.h
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sb1000.c sb1000.c: make const arrays static 2008-04-16 20:41:44 -04:00
sb1250-mac.c sb1250: use netdev_alloc_skb 2008-05-22 06:18:55 -04:00
sc92031.c sc92031: remove bogus unlikely() 2008-05-30 22:07:17 -04:00
seeq8005.c
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seeq8005.h
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sgiseeq.c net drivers: fix platform driver hotplug/coldplug 2008-04-25 02:08:54 -04:00
sgiseeq.h
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sis190.c sis190: account for Tx errors 2008-04-27 18:19:08 +02:00
sis900.c
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sis900.h
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skge.c netxen, phy/marvell, skge: minor checkpatch fixes 2008-03-25 23:53:24 -04:00
skge.h
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sky2.c sky2: 88E8040T pci device id 2008-06-17 23:07:03 -04:00
sky2.h sky2: fix simple define thinko 2008-05-13 01:31:44 -04:00
slhc.c
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slip.c tty: The big operations rework 2008-04-30 08:29:47 -07:00
slip.h
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smc-mca.c
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smc-ultra.c
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smc-ultra32.c
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smc91x.c net: Eliminate flush_scheduled_work() calls while RTNL is held. 2008-06-12 02:22:02 -07:00
smc91x.h smc91x: fix build error from the SMC_GET_MAC_ADDR API change 2008-06-11 08:38:18 -07:00
smc911x.c net: Eliminate flush_scheduled_work() calls while RTNL is held. 2008-06-12 02:22:02 -07:00
smc911x.h
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smc9194.c
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smc9194.h
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sni_82596.c net drivers: fix platform driver hotplug/coldplug 2008-04-25 02:08:54 -04:00
sonic.c
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sonic.h
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spider_net.c spidernet: revise link status logging 2008-04-16 20:06:50 -04:00
spider_net.h spidernet: change interrupt masks 2008-04-16 20:06:50 -04:00
spider_net_ethtool.c
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starfire.c [NET]: Undo code bloat in hot paths due to print_mac(). 2008-04-08 16:50:44 -07:00
starfire_firmware.h
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starfire_firmware.pl
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stnic.c
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sun3_82586.c
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sun3_82586.h
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sun3lance.c m68k: Some network drivers do not check the platform 2008-05-18 13:28:49 -07:00
sunbmac.c
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sunbmac.h
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sundance.c
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sungem.c [SUNGEM]: Fix NAPI assertion failure. 2008-03-23 03:35:12 -07:00
sungem.h
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sungem_phy.c
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sungem_phy.h
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sunhme.c sunhme: Cleanup use of deprecated calls to save_and_cli and restore_flags. 2008-06-04 12:06:28 -07:00
sunhme.h
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sunlance.c
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sunqe.c
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sunqe.h
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sunvnet.c
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sunvnet.h
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tc35815.c tc35815: Fix receiver hangup on Rx FIFO overflow 2008-06-27 01:27:43 -04:00
tehuti.c drivers/net/tehuti: use proper capability check for raw IO access 2008-04-29 11:45:16 -07:00
tehuti.h
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tehuti_fw.h
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tg3.c tg3: Update version to 3.92.1 2008-06-09 15:41:33 -07:00
tg3.h tg3: Add link state reporting to UMP firmware 2008-05-02 16:49:29 -07:00
tlan.c tlan: add static to function definitions 2008-02-23 23:57:46 -05:00
tlan.h
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tsi108_eth.c net drivers: fix platform driver hotplug/coldplug 2008-04-25 02:08:54 -04:00
tsi108_eth.h
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tun.c tun: Proper handling of IPv6 header in tun driver when TUN_NO_PI is set 2008-06-17 21:10:33 -07:00
typhoon-firmware.h
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typhoon.c [netdrvr] typhoon: typhoon_resume - remove call to start_queue 2008-04-25 02:08:08 -04:00
typhoon.h
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ucc_geth.c ucc_geth: Fix arguments to dma map/unmap functions 2008-05-22 06:19:24 -04:00
ucc_geth.h ucc_geth: Fix a bunch of sparse warnings 2008-05-06 12:02:08 -04:00
ucc_geth_ethtool.c ucc_geth_ethtool: Add a missing HW stats counter 2008-05-30 22:07:24 -04:00
ucc_geth_mii.c ucc_geth: Fix a bunch of sparse warnings 2008-05-06 12:02:08 -04:00
ucc_geth_mii.h
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veth.c [NET] NETNS: Omit net_device->nd_net without CONFIG_NET_NS. 2008-03-26 04:39:53 +09:00
via-rhine.c [netdrvr] via-rhine: Use register offset definition for WOLcgClr 2008-02-24 00:07:37 -05:00
via-velocity.c via-velocity: fix vlan receipt 2008-04-25 02:45:23 -04:00
via-velocity.h
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virtio_net.c virtio: use callback on empty in virtio_net 2008-06-10 18:20:32 -04:00
wd.c
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xen-netfront.c xen: Avoid allocations causing swap activity on the resume path 2008-07-03 13:21:13 +02:00
yellowfin.c net: use get/put_unaligned_* helpers 2008-04-29 08:06:27 -07:00
znet.c
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zorro8390.c
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