S: Maintained
F: drivers/mailbox/mailbox-altera.c
+ALTERA PIO DRIVER
+M: Tien Hock Loh <thloh@altera.com>
+L: linux-gpio@vger.kernel.org
+S: Maintained
+F: drivers/gpio/gpio-altera.c
+
ALTERA TRIPLE SPEED ETHERNET DRIVER
M: Vince Bridgers <vbridger@opensource.altera.com>
L: netdev@vger.kernel.org
F: include/linux/amd-iommu.h
AMD KFD
-M: Oded Gabbay <oded.gabbay@amd.com>
-L: dri-devel@lists.freedesktop.org
-T: git git://people.freedesktop.org/~gabbayo/linux.git
-S: Supported
-F: drivers/gpu/drm/amd/amdkfd/
+M: Oded Gabbay <oded.gabbay@amd.com>
+L: dri-devel@lists.freedesktop.org
+T: git git://people.freedesktop.org/~gabbayo/linux.git
+S: Supported
+F: drivers/gpu/drm/amd/amdkfd/
F: drivers/gpu/drm/amd/include/cik_structs.h
F: drivers/gpu/drm/amd/include/kgd_kfd_interface.h
-F: drivers/gpu/drm/radeon/radeon_kfd.c
-F: drivers/gpu/drm/radeon/radeon_kfd.h
-F: include/uapi/linux/kfd_ioctl.h
+F: drivers/gpu/drm/radeon/radeon_kfd.c
+F: drivers/gpu/drm/radeon/radeon_kfd.h
+F: include/uapi/linux/kfd_ioctl.h
AMD MICROCODE UPDATE SUPPORT
M: Borislav Petkov <bp@alien8.de>
F: drivers/media/rc/meson-ir.c
N: meson[x68]
+ARM/Annapurna Labs ALPINE ARCHITECTURE
+M: Tsahee Zidenberg <tsahee@annapurnalabs.com>
+S: Maintained
+F: arch/arm/mach-alpine/
+
ARM/ATMEL AT91RM9200 AND AT91SAM ARM ARCHITECTURES
M: Andrew Victor <linux@maxim.org.za>
M: Nicolas Ferre <nicolas.ferre@atmel.com>
M: Mathieu Poirier <mathieu.poirier@linaro.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
-F: drivers/coresight/*
+F: drivers/hwtracing/coresight/*
F: Documentation/trace/coresight.txt
F: Documentation/devicetree/bindings/arm/coresight.txt
F: Documentation/ABI/testing/sysfs-bus-coresight-devices-*
ARM/Mediatek SoC support
M: Matthias Brugger <matthias.bgg@gmail.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+L: linux-mediatek@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: arch/arm/boot/dts/mt6*
F: arch/arm/boot/dts/mt8*
W: http://wiki.openmoko.org/wiki/Neo_FreeRunner
S: Supported
-ARM/QUALCOMM MSM MACHINE SUPPORT
-M: David Brown <davidb@codeaurora.org>
-M: Daniel Walker <dwalker@fifo99.com>
-M: Bryan Huntsman <bryanh@codeaurora.org>
-L: linux-arm-msm@vger.kernel.org
-F: arch/arm/mach-msm/
-F: drivers/video/fbdev/msm/
-F: drivers/mmc/host/msm_sdcc.c
-F: drivers/mmc/host/msm_sdcc.h
-F: drivers/tty/serial/msm_serial.h
-F: drivers/tty/serial/msm_serial.c
-F: drivers/*/pm8???-*
-F: drivers/mfd/ssbi.c
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm.git
-S: Maintained
-
ARM/TOSA MACHINE SUPPORT
M: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
M: Dirk Opfer <dirk@opfer-online.de>
S: Maintained
F: arch/arm/mach-qcom/
F: drivers/soc/qcom/
+F: drivers/tty/serial/msm_serial.h
+F: drivers/tty/serial/msm_serial.c
+F: drivers/*/pm8???-*
+F: drivers/mfd/ssbi.c
+F: drivers/firmware/qcom_scm.c
T: git git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom.git
ARM/RADISYS ENP2611 MACHINE SUPPORT
F: arch/arm/boot/dts/r7s*
F: arch/arm/boot/dts/r8a*
F: arch/arm/boot/dts/sh*
-F: arch/arm/configs/ape6evm_defconfig
F: arch/arm/configs/armadillo800eva_defconfig
F: arch/arm/configs/bockw_defconfig
F: arch/arm/configs/kzm9g_defconfig
-F: arch/arm/configs/mackerel_defconfig
F: arch/arm/configs/marzen_defconfig
F: arch/arm/configs/shmobile_defconfig
F: arch/arm/include/debug/renesas-scif.S
F: drivers/tty/serial/atmel_serial.c
ATMEL Audio ALSA driver
-M: Bo Shen <voice.shen@atmel.com>
+M: Nicolas Ferre <nicolas.ferre@atmel.com>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
S: Supported
F: sound/soc/atmel
F: drivers/spi/spi-atmel.*
ATMEL SSC DRIVER
-M: Bo Shen <voice.shen@atmel.com>
+M: Nicolas Ferre <nicolas.ferre@atmel.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Supported
F: drivers/misc/atmel-ssc.c
F: drivers/media/radio/radio-aztech*
B43 WIRELESS DRIVER
-M: Stefano Brivio <stefano.brivio@polimi.it>
L: linux-wireless@vger.kernel.org
L: b43-dev@lists.infradead.org
W: http://wireless.kernel.org/en/users/Drivers/b43
-S: Maintained
+S: Odd Fixes
F: drivers/net/wireless/b43/
B43LEGACY WIRELESS DRIVER
M: Larry Finger <Larry.Finger@lwfinger.net>
-M: Stefano Brivio <stefano.brivio@polimi.it>
L: linux-wireless@vger.kernel.org
L: b43-dev@lists.infradead.org
W: http://wireless.kernel.org/en/users/Drivers/b43
F: fs/befs/
BECKHOFF CX5020 ETHERCAT MASTER DRIVER
-M: Dariusz Marcinkiewicz <reksio@newterm.pl>
-L: netdev@vger.kernel.org
-S: Maintained
-F: drivers/net/ethernet/ec_bhf.c
+M: Dariusz Marcinkiewicz <reksio@newterm.pl>
+L: netdev@vger.kernel.org
+S: Maintained
+F: drivers/net/ethernet/ec_bhf.c
BFS FILE SYSTEM
M: "Tigran A. Aivazian" <tigran@aivazian.fsnet.co.uk>
CLK API
M: Russell King <linux@arm.linux.org.uk>
+L: linux-clk@vger.kernel.org
S: Maintained
F: include/linux/clk.h
COMMON CLK FRAMEWORK
M: Mike Turquette <mturquette@linaro.org>
M: Stephen Boyd <sboyd@codeaurora.org>
-L: linux-kernel@vger.kernel.org
+L: linux-clk@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git
S: Maintained
F: drivers/clk/
F: drivers/net/ethernet/chelsio/cxgb3/
CXGB3 ISCSI DRIVER (CXGB3I)
-M: Karen Xie <kxie@chelsio.com>
-L: linux-scsi@vger.kernel.org
-W: http://www.chelsio.com
-S: Supported
-F: drivers/scsi/cxgbi/cxgb3i
+M: Karen Xie <kxie@chelsio.com>
+L: linux-scsi@vger.kernel.org
+W: http://www.chelsio.com
+S: Supported
+F: drivers/scsi/cxgbi/cxgb3i
CXGB3 IWARP RNIC DRIVER (IW_CXGB3)
M: Steve Wise <swise@chelsio.com>
F: drivers/net/ethernet/chelsio/cxgb4/
CXGB4 ISCSI DRIVER (CXGB4I)
-M: Karen Xie <kxie@chelsio.com>
-L: linux-scsi@vger.kernel.org
-W: http://www.chelsio.com
-S: Supported
-F: drivers/scsi/cxgbi/cxgb4i
+M: Karen Xie <kxie@chelsio.com>
+L: linux-scsi@vger.kernel.org
+W: http://www.chelsio.com
+S: Supported
+F: drivers/scsi/cxgbi/cxgb4i
CXGB4 IWARP RNIC DRIVER (IW_CXGB4)
M: Steve Wise <swise@chelsio.com>
F: Documentation/
X: Documentation/ABI/
X: Documentation/devicetree/
-X: Documentation/[a-z][a-z]_[A-Z][A-Z]/
+X: Documentation/acpi
+X: Documentation/power
+X: Documentation/spi
T: git git://git.lwn.net/linux-2.6.git docs-next
DOUBLETALK DRIVER
S: Supported
F: drivers/gpu/drm/rcar-du/
F: drivers/gpu/drm/shmobile/
-F: include/linux/platform_data/rcar-du.h
F: include/linux/platform_data/shmob_drm.h
DSBR100 USB FM RADIO DRIVER
F: block/partitions/efi.*
STK1160 USB VIDEO CAPTURE DRIVER
-M: Ezequiel Garcia <elezegarcia@gmail.com>
+M: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
L: linux-media@vger.kernel.org
T: git git://linuxtv.org/media_tree.git
S: Maintained
INTEL WIRELESS WIMAX CONNECTION 2400
M: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
M: linux-wimax@intel.com
-L: wimax@linuxwimax.org (subscribers-only)
+L: wimax@linuxwimax.org (subscribers-only)
S: Supported
W: http://linuxwimax.org
F: Documentation/wimax/README.i2400m
F: include/linux/ipmi*
F: include/uapi/linux/ipmi*
+QCOM AUDIO (ASoC) DRIVERS
+M: Patrick Lai <plai@codeaurora.org>
+M: Banajit Goswami <bgoswami@codeaurora.org>
+L: alsa-devel@alsa-project.org (moderated for non-subscribers)
+S: Supported
+F: sound/soc/qcom/
+
IPS SCSI RAID DRIVER
M: Adaptec OEM Raid Solutions <aacraid@adaptec.com>
L: linux-scsi@vger.kernel.org
F: arch/powerpc/platforms/52xx/
LINUX FOR POWERPC EMBEDDED PPC4XX
-M: Alistair Popple <alistair@popple.id.au>
+M:
Alistair Popple <alistair@popple.id.au>
M: Matt Porter <mporter@kernel.crashing.org>
W: http://www.penguinppc.org/
L: linuxppc-dev@lists.ozlabs.org
S: Maintained
F: drivers/media/dvb-frontends/m88rs2000*
-M88TS2022 MEDIA DRIVER
-M: Antti Palosaari <crope@iki.fi>
-L: linux-media@vger.kernel.org
-W: http://linuxtv.org/
-W: http://palosaari.fi/linux/
-Q: http://patchwork.linuxtv.org/project/linux-media/list/
-T: git git://linuxtv.org/anttip/media_tree.git
-S: Maintained
-F: drivers/media/tuners/m88ts2022*
-
MA901 MASTERKIT USB FM RADIO DRIVER
M: Alexey Klimov <klimov.linux@gmail.com>
L: linux-media@vger.kernel.org
F: drivers/watchdog/mena21_wdt.c
MEN CHAMELEON BUS (mcb)
-M: Johannes Thumshirn <johannes.thumshirn@men.de>
+M: Johannes Thumshirn <johannes.thumshirn@men.de>
S: Supported
F: drivers/mcb/
F: include/linux/mcb.h
L: linux-media@vger.kernel.org
T: git git://linuxtv.org/media_tree.git
S: Maintained
+F: Documentation/devicetree/bindings/media/i2c/mt9v032.txt
F: drivers/media/i2c/mt9v032.c
F: include/media/mt9v032.h
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git
S: Maintained
F: arch/arm/*omap*/
+F: arch/arm/configs/omap1_defconfig
+F: arch/arm/configs/omap2plus_defconfig
F: drivers/i2c/busses/i2c-omap.c
F: drivers/irqchip/irq-omap-intc.c
F: drivers/mfd/*omap*.c
M: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
L: linux-media@vger.kernel.org
S: Maintained
+F: Documentation/devicetree/bindings/media/ti,omap3isp.txt
F: drivers/media/platform/omap3isp/
F: drivers/staging/media/omap4iss/
F: arch/*/boot/dts/
F: include/dt-bindings/
+OPEN FIRMWARE AND DEVICE TREE OVERLAYS
+M: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
+L: devicetree@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/dynamic-resolution-notes.txt
+F: Documentation/devicetree/overlay-notes.txt
+F: drivers/of/overlay.c
+F: drivers/of/resolver.c
+
OPENRISC ARCHITECTURE
M: Jonas Bonn <jonas@southpole.se>
W: http://openrisc.net
F: drivers/pci/host/pci-exynos.c
PCI DRIVER FOR SYNOPSIS DESIGNWARE
-M: Mohit Kumar <mohit.kumar@st.com>
M: Jingoo Han <jg1.han@samsung.com>
L: linux-pci@vger.kernel.org
S: Maintained
F: drivers/pci/host/pci-host-generic.c
PCIE DRIVER FOR ST SPEAR13XX
-M: Mohit Kumar <mohit.kumar@st.com>
L: linux-pci@vger.kernel.org
-S: Maintained
+S: Orphan
F: drivers/pci/host/*spear*
PCMCIA SUBSYSTEM
S: Maintained
QAT DRIVER
-M: Tadeusz Struk <tadeusz.struk@intel.com>
-L: qat-linux@intel.com
-S: Supported
-F: drivers/crypto/qat/
+M: Tadeusz Struk <tadeusz.struk@intel.com>
+L: qat-linux@intel.com
+S: Supported
+F: drivers/crypto/qat/
QIB DRIVER
M: Mike Marciniszyn <infinipath@intel.com>
F: drivers/net/wireless/rt2x00/
RAMDISK RAM BLOCK DEVICE DRIVER
-M: Nick Piggin <npiggin@kernel.dk>
+M: Jens Axboe <axboe@kernel.dk>
S: Maintained
F: Documentation/blockdev/ramdisk.txt
F: drivers/block/brd.c
+PERSISTENT MEMORY DRIVER
+M: Ross Zwisler <ross.zwisler@linux.intel.com>
+L: linux-nvdimm@lists.01.org
+S: Supported
+F: drivers/block/pmem.c
+
RANDOM NUMBER DRIVER
M: "Theodore Ts'o" <tytso@mit.edu>
S: Maintained
REAL TIME CLOCK (RTC) SUBSYSTEM
M: Alessandro Zummo <a.zummo@towertech.it>
+M: Alexandre Belloni <alexandre.belloni@free-electrons.com>
L: rtc-linux@googlegroups.com
Q: http://patchwork.ozlabs.org/project/rtc-linux/list/
S: Maintained
F: include/scsi/sg.h
SCSI SUBSYSTEM
-M: "James E.J. Bottomley" <JBottomley@parallels.com>
+M: "James E.J. Bottomley" <JBottomley@odin.com>
L: linux-scsi@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6.git
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6.git
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-pending-2.6.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git
S: Maintained
F: drivers/scsi/
F: include/scsi/
S: Supported
F: drivers/net/ethernet/emulex/benet/
+ EMULEX ONECONNECT ROCE DRIVER
+ M: Selvin Xavier <selvin.xavier@emulex.com>
+ M: Devesh Sharma <devesh.sharma@emulex.com>
+ M: Mitesh Ahuja <mitesh.ahuja@emulex.com>
+ L: linux-rdma@vger.kernel.org
+ W: http://www.emulex.com
+ S: Supported
+ F: drivers/infiniband/hw/ocrdma/
+
SFC NETWORK DRIVER
M: Solarflare linux maintainers <linux-net-drivers@solarflare.com>
M: Shradha Shah <sshah@solarflare.com>
S: Maintained
F: drivers/media/platform/am437x/
+OV2659 OMNIVISION SENSOR DRIVER
+M: Lad, Prabhakar <prabhakar.csengg@gmail.com>
+L: linux-media@vger.kernel.org
+W: http://linuxtv.org/
+Q: http://patchwork.linuxtv.org/project/linux-media/list/
+T: git git://linuxtv.org/mhadli/v4l-dvb-davinci_devices.git
+S: Maintained
+F: drivers/media/i2c/ov2659.c
+F: include/media/ov2659.h
+
SIS 190 ETHERNET DRIVER
M: Francois Romieu <romieu@fr.zoreil.com>
L: netdev@vger.kernel.org
F: include/uapi/linux/cdrom.h
UNISYS S-PAR DRIVERS
-M: Benjamin Romer <benjamin.romer@unisys.com>
-M: David Kershner <david.kershner@unisys.com>
-L: sparmaintainer@unisys.com (Unisys internal)
-S: Supported
-F: drivers/staging/unisys/
+M: Benjamin Romer <benjamin.romer@unisys.com>
+M: David Kershner <david.kershner@unisys.com>
+L: sparmaintainer@unisys.com (Unisys internal)
+S: Supported
+F: drivers/staging/unisys/
UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER
M: Vinayak Holikatti <vinholikatti@gmail.com>
F: drivers/vhost/
F: include/uapi/linux/vhost.h
+VIRTIO INPUT DRIVER
+M: Gerd Hoffmann <kraxel@redhat.com>
+S: Maintained
+F: drivers/virtio/virtio_input.c
+F: include/uapi/linux/virtio_input.h
+
VIA RHINE NETWORK DRIVER
M: Roger Luethi <rl@hellgate.ch>
S: Maintained
S: Maintained
F: drivers/misc/vmw_balloon.c
+VMWARE VMMOUSE SUBDRIVER
+M: "VMware Graphics" <linux-graphics-maintainer@vmware.com>
+M: "VMware, Inc." <pv-drivers@vmware.com>
+L: linux-input@vger.kernel.org
+S: Maintained
+F: drivers/input/mouse/vmmouse.c
+F: drivers/input/mouse/vmmouse.h
+
VMWARE VMXNET3 ETHERNET DRIVER
M: Shreyas Bhatewara <sbhatewara@vmware.com>
M: "VMware, Inc." <pv-drivers@vmware.com>
WIMAX STACK
M: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
M: linux-wimax@intel.com
-L: wimax@linuxwimax.org (subscribers-only)
+L: wimax@linuxwimax.org (subscribers-only)
S: Supported
W: http://linuxwimax.org
F: Documentation/wimax/README.wimax
S: Maintained
F: drivers/tty/serial/uartlite.c
+XILINX VIDEO IP CORES
+M: Hyun Kwon <hyun.kwon@xilinx.com>
+M: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Supported
+F: Documentation/devicetree/bindings/media/xilinx/
+F: drivers/media/platform/xilinx/
+F: include/uapi/linux/xilinx-v4l2-controls.h
+
XILLYBUS DRIVER
M: Eli Billauer <eli.billauer@gmail.com>
L: linux-kernel@vger.kernel.org
S: Maintained
F: mm/zsmalloc.c
F: include/linux/zsmalloc.h
+F: Documentation/vm/zsmalloc.txt
ZSWAP COMPRESSED SWAP CACHING
M: Seth Jennings <sjennings@variantweb.net>
set_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags);
- if (ipoib_ib_dev_open(dev, 1)) {
+ if (ipoib_ib_dev_open(dev)) {
if (!test_bit(IPOIB_PKEY_ASSIGNED, &priv->flags))
return 0;
goto err_disable;
return 0;
err_stop:
- ipoib_ib_dev_stop(dev, 1);
+ ipoib_ib_dev_stop(dev);
err_disable:
clear_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags);
netif_stop_queue(dev);
- ipoib_ib_dev_down(dev, 1);
- ipoib_ib_dev_stop(dev, 0);
+ ipoib_ib_dev_down(dev);
+ ipoib_ib_dev_stop(dev);
if (!test_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags)) {
struct ipoib_dev_priv *cpriv;
if (!path->query && path_rec_start(dev, path))
goto err_path;
-
- __skb_queue_tail(&neigh->queue, skb);
+ if (skb_queue_len(&neigh->queue) < IPOIB_MAX_PATH_REC_QUEUE)
+ __skb_queue_tail(&neigh->queue, skb);
+ else
+ goto err_drop;
}
spin_unlock_irqrestore(&priv->lock, flags);
new_path = 1;
}
if (path) {
- __skb_queue_tail(&path->queue, skb);
+ if (skb_queue_len(&path->queue) < IPOIB_MAX_PATH_REC_QUEUE) {
+ __skb_queue_tail(&path->queue, skb);
+ } else {
+ ++dev->stats.tx_dropped;
+ dev_kfree_skb_any(skb);
+ }
if (!path->query && path_rec_start(dev, path)) {
spin_unlock_irqrestore(&priv->lock, flags);
return;
}
- queue_work(ipoib_workqueue, &priv->restart_task);
+ queue_work(priv->wq, &priv->restart_task);
}
static int ipoib_get_iflink(const struct net_device *dev)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
+ /* parent interface */
+ if (!test_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags))
+ return dev->ifindex;
+
+ /* child/vlan interface */
return priv->parent->ifindex;
}
__ipoib_reap_neigh(priv);
if (!test_bit(IPOIB_STOP_NEIGH_GC, &priv->flags))
- queue_delayed_work(ipoib_workqueue, &priv->neigh_reap_task,
+ queue_delayed_work(priv->wq, &priv->neigh_reap_task,
arp_tbl.gc_interval);
}
/* start garbage collection */
clear_bit(IPOIB_STOP_NEIGH_GC, &priv->flags);
- queue_delayed_work(ipoib_workqueue, &priv->neigh_reap_task,
+ queue_delayed_work(priv->wq, &priv->neigh_reap_task,
arp_tbl.gc_interval);
return 0;
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
- if (ipoib_neigh_hash_init(priv) < 0)
- goto out;
/* Allocate RX/TX "rings" to hold queued skbs */
priv->rx_ring = kzalloc(ipoib_recvq_size * sizeof *priv->rx_ring,
GFP_KERNEL);
if (!priv->rx_ring) {
printk(KERN_WARNING "%s: failed to allocate RX ring (%d entries)\n",
ca->name, ipoib_recvq_size);
- goto out_neigh_hash_cleanup;
+ goto out;
}
priv->tx_ring = vzalloc(ipoib_sendq_size * sizeof *priv->tx_ring);
if (ipoib_ib_dev_init(dev, ca, port))
goto out_tx_ring_cleanup;
+ /*
+ * Must be after ipoib_ib_dev_init so we can allocate a per
+ * device wq there and use it here
+ */
+ if (ipoib_neigh_hash_init(priv) < 0)
+ goto out_dev_uninit;
+
return 0;
+ out_dev_uninit:
+ ipoib_ib_dev_cleanup(dev);
+
out_tx_ring_cleanup:
vfree(priv->tx_ring);
out_rx_ring_cleanup:
kfree(priv->rx_ring);
- out_neigh_hash_cleanup:
- ipoib_neigh_hash_uninit(dev);
out:
return -ENOMEM;
}
}
unregister_netdevice_many(&head);
+ /*
+ * Must be before ipoib_ib_dev_cleanup or we delete an in use
+ * work queue
+ */
+ ipoib_neigh_hash_uninit(dev);
+
ipoib_ib_dev_cleanup(dev);
kfree(priv->rx_ring);
priv->rx_ring = NULL;
priv->tx_ring = NULL;
-
- ipoib_neigh_hash_uninit(dev);
}
static const struct header_ops ipoib_header_ops = {
register_failed:
ib_unregister_event_handler(&priv->event_handler);
+ flush_workqueue(ipoib_workqueue);
/* Stop GC if started before flush */
set_bit(IPOIB_STOP_NEIGH_GC, &priv->flags);
cancel_delayed_work(&priv->neigh_reap_task);
- flush_workqueue(ipoib_workqueue);
+ flush_workqueue(priv->wq);
event_failed:
ipoib_dev_cleanup(priv->dev);
list_for_each_entry_safe(priv, tmp, dev_list, list) {
ib_unregister_event_handler(&priv->event_handler);
+ flush_workqueue(ipoib_workqueue);
rtnl_lock();
dev_change_flags(priv->dev, priv->dev->flags & ~IFF_UP);
/* Stop GC */
set_bit(IPOIB_STOP_NEIGH_GC, &priv->flags);
cancel_delayed_work(&priv->neigh_reap_task);
- flush_workqueue(ipoib_workqueue);
+ flush_workqueue(priv->wq);
unregister_netdev(priv->dev);
free_netdev(priv->dev);
return ret;
/*
- * We create our own workqueue mainly because we want to be
- * able to flush it when devices are being removed. We can't
- * use schedule_work()/flush_scheduled_work() because both
- * unregister_netdev() and linkwatch_event take the rtnl lock,
- * so flush_scheduled_work() can deadlock during device
- * removal.
+ * We create a global workqueue here that is used for all flush
+ * operations. However, if you attempt to flush a workqueue
+ * from a task on that same workqueue, it deadlocks the system.
+ * We want to be able to flush the tasks associated with a
+ * specific net device, so we also create a workqueue for each
+ * netdevice. We queue up the tasks for that device only on
+ * its private workqueue, and we only queue up flush events
+ * on our global flush workqueue. This avoids the deadlocks.
*/
- ipoib_workqueue = create_singlethread_workqueue("ipoib");
+ ipoib_workqueue = create_singlethread_workqueue("ipoib_flush");
if (!ipoib_workqueue) {
ret = -ENOMEM;
goto err_fs;
projects / cascardo / linux.git / commitdiff