AuxXxilium/linux_dsm_epyc7002
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beff3e9d80
linux_dsm_epyc7002/drivers/net/ethernet
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Robert Konklewski beff3e9d80 i40e: Fixed race conditions in VF reset 
First, this patch eliminates IOMMU DMAR Faults caused by VF hardware.
This is done by enabling VF hardware only after VSI resources are
freed. Otherwise, hardware could DMA into memory that is (or just has
been) being freed.

Then, the VF driver is activated only after VSI resources have been
reallocated. That's because the VF driver can request resources
immediately after it's activated. So they need to be ready at that
point.

The second race condition happens when the OS initiates a VF reset,
and then before it's finished modifies VF's settings by changing its
MAC, VLAN ID, bandwidth allocation, anti-spoof checking, etc. These
functions needed to be blocked while VF is undergoing reset. Otherwise,
they could operate on data structures that had just been freed or not
yet fully initialized.

Change-ID: I43ba5a7ae2c9a1cce3911611ffc4598ae33ae3ff
Signed-off-by: Robert Konklewski <robertx.konklewski@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-03-27 16:45:14 -07:00
..
3com drivers: net: generalize napi_complete_done() 2017-01-30 15:10:42 -05:00
8390
adaptec net: adaptec: starfire: add checks for dma mapping errors 2017-01-29 19:04:11 -05:00
adi net: bfin_mac: Remove unused stats member from struct bfin_mac_local 2017-03-27 16:01:59 -07:00
aeroflex net: greth: Utilize of_get_mac_address() 2017-03-22 12:00:39 -07:00
agere drivers: net: generalize napi_complete_done() 2017-01-30 15:10:42 -05:00
alacritech
allwinner
alteon
altera drivers: net: generalize napi_complete_done() 2017-01-30 15:10:42 -05:00
amazon net: ena: remove superfluous check in ena_remove() 2017-02-20 10:22:59 -05:00
amd Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-03-23 16:41:27 -07:00
apm drivers: net: xgene-v2: misc fixes 2017-03-22 19:17:14 -07:00
apple
aquantia net:ethernet:aquantia: Fix for RX checksum offload. 2017-03-22 19:40:52 -07:00
arc drivers: net: generalize napi_complete_done() 2017-01-30 15:10:42 -05:00
atheros atl1e: add GRO support 2017-02-03 11:13:17 -05:00
aurora
broadcom net: systemport: Simplify circular pointer arithmetic 2017-03-24 12:53:15 -07:00
brocade bna: integer overflow bug in debugfs 2017-03-21 17:43:16 -07:00
cadence lib/vsprintf.c: remove %Z support 2017-02-27 18:43:47 -08:00
calxeda drivers: net: generalize napi_complete_done() 2017-01-30 15:10:42 -05:00
cavium liquidio: do not reset Octeon if NIC firmware was preloaded 2017-03-24 13:20:43 -07:00
chelsio cxgb4: Update IngPad and IngPack values 2017-03-22 10:53:49 -07:00
cirrus ep93xx_eth: add GRO support 2017-02-05 16:11:57 -05:00
cisco enic: add vxlan offload on tx path 2017-02-09 17:24:29 -05:00
davicom
dec drivers: net: generalize napi_complete_done() 2017-01-30 15:10:42 -05:00
dlink
emulex be2net: get rid of custom busy poll code 2017-02-03 16:06:55 -05:00
ezchip drivers: net: generalize napi_complete_done() 2017-01-30 15:10:42 -05:00
faraday drivers: net: ethernet: remove incorrect __exit markups 2017-03-02 14:33:49 -08:00
freescale net: ethernet: fs_enet: Remove useless includes 2017-03-16 11:15:15 -07:00
fujitsu
hisilicon net: hip04: Omit private ndo_get_stats function 2017-02-14 15:03:21 -05:00
hp
i825xx
ibm net: ibmvnic: Remove unused net_stats member from struct ibmvnic_adapter 2017-03-27 16:02:00 -07:00
intel i40e: Fixed race conditions in VF reset 2017-03-27 16:45:14 -07:00
marvell net: mvneta: support suspend and resume 2017-03-16 10:20:38 -07:00
mediatek net: mediatek: Use eth_hw_addr_random() 2017-03-09 13:16:34 -08:00
mellanox mlxsw: spectrum_kvdl: Cosmetic kvdl allocator API change 2017-03-25 19:56:15 -07:00
micrel net: ks8851: Added support for half-duplex SPI 2017-03-09 18:18:37 -08:00
microchip net: microchip: encx24j600: use new api ethtool_{get|set}_link_ksettings 2017-02-12 22:32:17 -05:00
moxa drivers: net: generalize napi_complete_done() 2017-01-30 15:10:42 -05:00
myricom net: myricom: myri10ge: use new api ethtool_{get|set}_link_ksettings 2017-02-12 22:32:17 -05:00
natsemi net: natsemi: ns83820: use new api ethtool_{get|set}_link_ksettings 2017-02-12 22:32:17 -05:00
neterion net: s2io: fix typo argumnet argument 2017-02-26 11:57:58 -05:00
netronome nfp: disable FW on reconfiguration errors 2017-03-22 12:59:09 -07:00
nuvoton net: nuvoton: w90p910: use new api ethtool_{get|set}_link_ksettings 2017-02-12 22:32:17 -05:00
nvidia forcedeth: Remove return from a void function 2017-02-23 10:55:07 -05:00
nxp drivers: net: generalize napi_complete_done() 2017-01-30 15:10:42 -05:00
oki-semi net: oki-semi: pch_gbe: use new api ethtool_{get|set}_link_ksettings 2017-02-17 12:00:14 -05:00
packetengines net: hamachi: use new api ethtool_{get|set}_link_ksettings 2017-02-17 14:06:41 -05:00
pasemi drivers: net: generalize napi_complete_done() 2017-01-30 15:10:42 -05:00
qlogic qed: Reserve VF feature before PF 2017-03-23 11:53:30 -07:00
qualcomm net: qcom/emac: optimize QDF2400 SGMII RX/TX impedence values 2017-03-07 12:29:37 -08:00
rdc
realtek r8169: replace init_timer with setup_timer 2017-03-12 23:55:03 -07:00
renesas sh_eth: fix wakeup event reporting from MagicPacket 2017-02-01 12:53:59 -05:00
rocker ipv4: fib_rules: Dump FIB rules when registering FIB notifier 2017-03-16 10:18:34 -07:00
samsung drivers: net: generalize napi_complete_done() 2017-01-30 15:10:42 -05:00
seeq drivers: net: ethernet: remove incorrect __exit markups 2017-03-02 14:33:49 -08:00
sfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-03-23 16:41:27 -07:00
sgi net: sgi: ioc3-eth: use new api ethtool_{get|set}_link_ksettings 2017-03-06 17:05:39 -08:00
silan net: silan: sc92031: use new api ethtool_{get|set}_link_ksettings 2017-03-06 17:05:39 -08:00
sis net: sis: sis900: use new api ethtool_{get|set}_link_ksettings 2017-03-06 17:05:39 -08:00
smsc net: smsc: smc91x: use new api ethtool_{get|set}_link_ksettings 2017-03-08 22:18:05 -08:00
stmicro net: stmmac: add set_mac to the stmmac_ops 2017-03-24 12:36:42 -07:00
sun net: sun: sungem: rix a possible null dereference 2017-03-21 17:44:46 -07:00
synopsys net: dwc-xlgmac: use dual license 2017-03-23 17:04:14 -07:00
tehuti net: tehuti: use new api ethtool_{get|set}_link_ksettings 2017-03-27 16:00:07 -07:00
ti Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-03-23 16:41:27 -07:00
tile drivers: net: generalize napi_complete_done() 2017-01-30 15:10:42 -05:00
toshiba net: toshiba: spider_net: use new api ethtool_{get|set}_link_ksettings 2017-03-08 22:18:05 -08:00
tundra net: tundra: tsi108: use new api ethtool_{get|set}_link_ksettings 2017-03-12 19:28:07 -07:00
via net: via: via-velocity: use new api ethtool_{get|set}_link_ksettings 2017-03-12 19:28:07 -07:00
wiznet drivers: net: generalize napi_complete_done() 2017-01-30 15:10:42 -05:00
xilinx net: axienet: use eth_hw_addr_random() 2017-03-06 17:15:41 -08:00
xircom
xscale
dnet.c drivers: net: generalize napi_complete_done() 2017-01-30 15:10:42 -05:00
dnet.h
ec_bhf.c
ethoc.c net: ethoc: Use ether_addr_copy() 2017-03-21 17:16:56 -07:00
fealnx.c
jme.c net: jme: use new api ethtool_{get|set}_link_ksettings 2017-01-17 11:44:27 -05:00
jme.h net: jme: use new api ethtool_{get|set}_link_ksettings 2017-01-17 11:44:27 -05:00
Kconfig net: dwc-xlgmac: Initial driver for DesignWare Enterprise Ethernet 2017-03-09 13:29:27 -08:00
korina.c drivers: net: generalize napi_complete_done() 2017-01-30 15:10:42 -05:00
lantiq_etop.c drivers: net: generalize napi_complete_done() 2017-01-30 15:10:42 -05:00
Makefile net: dwc-xlgmac: Initial driver for DesignWare Enterprise Ethernet 2017-03-09 13:29:27 -08:00
netx-eth.c