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Allocate a queue set per core, up to the maximum of available qsets.
Share the queue sets on multi port adapters.
Rename MSI-X interrupt vectors ethX-N, N being the queue set number.
Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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when a fatal error occurs, bring ports down, reset the chip,
and bring ports back up.
Factorize code used for both EEH and fatal error recovery.
Fix timer usage when bringing up/resetting sge queue sets.
Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The write barrier should be used before starting a DMA transfer. This fixes
a problem, where almost all packets received on another machine had garbled
content. Tested with an RTL8100C on a MIPS machine.
Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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there's several drivers that have use "tx_timeout" for the .. tx
timeout function. All fine with that, they're static, however for
doing stats on how often which driver hits the timeout it's a tad
unfortunate. The patch below gives the ones I found in the
kerneloops.org database unique names.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When building with CONFIG_USB_DEBUG, don't create logspam from
the USB networking drivers.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since recent kernel (2.6.26 or 2.6.27) the PCI wakeup functions are
influenced by generic device ability and configuration when enabling
PCI-device triggered wake-up.
This patch causes WoL setting to enable/disable device's wish to
be permitted to wake-up the host when changing WoL options and
also during device probing.
Without this patch one has write 'enabled' to
/sys/bus/pci/devices/0000:02:08.0/power/wakeup
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When probing the chip and handling it's power management settings
also remember wether WoL feature is enabled.
Without this patch one has to call ethtool to change WoL settings
for this flag to be set and any WoL being enabled on suspend to
RAM.
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The device's carrier status is controlled via the functions
netif_carrier_on() and netif_carrier_off(). These set or clear a bit
indicating the carrier (aka lower level link) is down, and if the state
changed, they fire off a routing netlink event.
Add a call to netif_carrier_off() before register_netdev() so that the
newly created device will be set to carrier down. Then when the carrier
comes up for the first time, a netlink event will be generated, as the
carrier changed from down to up. Otherwise the initial carrier up will
appear to be changing the status from up to up, and so no event is
generated since that's not a change.
Signed-off-by: Trent Piepho <tpiepho@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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mv643xx_eth uses ip_hdr() (defined in linux/ip.h), but relied on
another header file to include the needed header file indirectly.
In latest net-next this indirect include chain is gone, so the
driver fails to build. Include linux/ip.h explicitly to fix this.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This lockdep warning:
=================================
[ INFO: inconsistent lock state ]
2.6.27-rc7 #3
---------------------------------
inconsistent {in-softirq-W} -> {softirq-on-W} usage.
syslogd/2474 [HC0[0]:SC0[0]:HE1:SE1] takes:
(_xmit_ETHER#2){-+..}, at: [<c0265562>] netpoll_send_skb+0x132/0x190
...
is caused by unconditional local_irq_disable()/local_irq_enable() in
disable_irq_lockdep()/enable_irq_lockdep() used by __ei_poll(). Since
netconsole/netpoll always calls dev->poll_controller() with local irqs
disabled, disable_irq()/enable_irq() instead is safe and enough (like
e.g. in 3c509 or 8139xx drivers).
Reported-and-tested-by: Bernard Pidoux F6BVP <f6bvp@free.fr>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It was pointed out by Breno Leitao <leitao@linux.vnet.ibm.com> that
ixgb would crash on PPC when an IOMMU was in use, if change_mtu was
called.
It appears to be a pretty simple issue in the driver that wasn't discovered
because most systems don't run with an IOMMU. The driver needs to only unmap
buffers that are mapped (duh).
CC: Breno Leitao <leitao@linux.vnet.ibm.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since e1000e has been existance in linux-2.6, we've
never released the hardware semaphore after a successful
write to the SPI EEPROM. I guess we don't write to
SPI EEPROM much -- but those few of us that do appreciate
it when we can later read from the EEPROM without having
to reboot.
Found-by: Nick Van Fossen <Nick.VanFossen@riverbed.com>
Signed-off-by: Arthur Jones <ajones@riverbed.com>
Reviewed-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Attached is a driver for SMSC's LAN9500 USB2.0 10/100 ethernet
adapter.
Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add mdiobus_{read,write} routines to allow direct reading/writing
of registers on an mii bus without having to go through the PHY
abstraction, and make phy_{read,write} use these primitives.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduce the mdio_bus class, and give each 'struct mii_bus' its own
'struct device', so that mii_bus objects are represented in the device
tree and can be found by querying the device tree.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Acked-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch introduces mdiobus_alloc() and mdiobus_free(), and
makes all mdio bus drivers use these functions to allocate their
struct mii_bus'es dynamically.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Andy Fleming <afleming@freescale.com>
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In preparation of giving mii_bus objects a device tree presence of
their own, rename struct mii_bus's ->dev argument to ->parent, since
having a 'struct device *dev' that points to our parent device
conflicts with introducing a 'struct device dev' representing our own
device.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Andy Fleming <afleming@freescale.com>
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Add multiqueue TX support to myri10ge.
[ Removed reference to deprecated CONFIG_NETDEVICES_MULTIQUEUE and
NETIF_F_MULTI_QUEUE ]
Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update the driver's introductory comments.
Signed-off-by: Jay Cliburn <jacliburn@bellsouth.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove the EXPERIMENTAL label from the atl1 driver and change the vendor
name to include Attansic's successor, Atheros. We'll leave Attansic in
the name since Attansic's PCI ID (1969) is encoded in the PCI config and
is what users encounter on their systems.
Signed-off-by: Jay Cliburn <jacliburn@bellsouth.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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NETIF_F_LLTX is deprecated. Remove private TX locking from the driver
and remove the NETIF_F_LLTX feature flag.
Signed-off-by: Jay Cliburn <jacliburn@bellsouth.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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See http://marc.info/?l=linux-netdev&m=121931988219314&w=2
Stop the queue and turn off carrier to prevent transmit timeouts
when the cable is unplugged/replugged.
Signed-off-by: Jay Cliburn <jacliburn@bellsouth.net>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The error return is useful to caller, driver shouldn't miss it.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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pauseparam is set
On Wednesday 24 September 2008 07:47, Stephen Hemminger wrote:
> On Mon, 22 Sep 2008 14:52:17 -0700
>
> akpm@linux-foundation.org wrote:
> > From: "Xiaoming.Zhang" <Xiaoming.Zhang@resilience.com>
> >
> > We have an issue of the skge driver: The card won't work when it's
> > options are changed. Here's the hardware info:
> >
> > # lspci -v
> > 05:04.0 Ethernet controller: Marvell Technology Group Ltd. 88E8001
> > Gigabit Ethernet Controller (rev 13) Subsystem: Marvell Technology Group
> > Ltd. Marvell RDK-8001 Flags: bus master, 66MHz, medium devsel, latency
> > 32, IRQ 16 Memory at d042c000 (32-bit, non-prefetchable) [size=16K] I/O
> > ports at d000 [size=256]
> > [virtual] Expansion ROM at 20400000 [disabled] [size=128K]
> > Capabilities: [48] Power Management version 2
> > Capabilities: [50] Vital Product Data
> >
> > The happens in both Linux-2.6.26(skge version 1.23) and RHEL5.2(skge
> > version 1.6).
> >
> > For example, at first it is set to "speed 1000 duplex full auto-neg on"
> > and it works, then run
> >
> > ethtool -s <ethx> autoneg off
> > or ethtool -s <ethx> speed 100 duplex full autoneg off
> >
> > Then it will stop working. After that if we restart the interface:
> >
> > ifconifg <ethx> down
> > ifconfig <ethx> up
> >
> > It will work again. And `ethtool -A' has the same issue.
> >
> > So we think after setting the options, the interface should be restarted.
> >
> > Signed-off-by: Zhang Xiaoming <xiaoming.zhang@resilience.com>
> > Cc: Stephen Hemminger <shemminger@vyatta.com>
> > Cc: Jeff Garzik <jeff@garzik.org>
> > Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> > ---
> >
> > drivers/net/skge.c | 12 ++++++++----
> > 1 file changed, 8 insertions(+), 4 deletions(-)
> >
> > diff -puN
> > drivers/net/skge.c~driver-net-skgec-restart-the-interface-when-its-option
> >s-or-pauseparam-is-set drivers/net/skge.c ---
> > a/drivers/net/skge.c~driver-net-skgec-restart-the-interface-when-its-opti
> >ons-or-pauseparam-is-set +++ a/drivers/net/skge.c
> > @@ -353,8 +353,10 @@ static int skge_set_settings(struct net_
> > skge->autoneg = ecmd->autoneg;
> > skge->advertising = ecmd->advertising;
> >
> > - if (netif_running(dev))
> > - skge_phy_reset(skge);
> > + if (netif_running(dev)) {
> > + skge_down(dev);
> > + skge_up(dev);
> > + }
> >
> > return (0);
> > }
> > @@ -595,8 +597,10 @@ static int skge_set_pauseparam(struct ne
> > skge->flow_control = FLOW_MODE_NONE;
> > }
> >
> > - if (netif_running(dev))
> > - skge_phy_reset(skge);
> > + if (netif_running(dev)) {
> > + skge_down(dev);
> > + skge_up(dev);
> > + }
> >
> > return 0;
> > }
>
> Since skge_up can fail because of out of memory, this code needs to
> check the return value. And then if it fails the "limbo state" needs
> to be handled in skge_down.
How about like this? It is tested.
Thank you.
Signed-off-by: Zhang Xiaoming <xiaoming.zhang@resilience.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A SGE queue set timer might access registers while in EEH recovery,
triggering an EEH error loop. Stop all timers early in EEH process.
Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As reported by Meelis Roos.
Signed-off-by: David S. Miller <davem@davemloft.net>
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When NETIF_F_LLTX is set, the atlx driver will use a private lock.
But in recent kernels this implementation seems redundant and
can cause problems where AF_PACKET sees things twice. Since
NETIF_F_LLTX is marked as deprecated and shouldn't be used in
new driver, this patch removes NETIF_F_LLTX and adds a mmiowb
before sending packet. I have tested this driver on a Eee PC.
It works well.
Signed-off-by: Kevin Hao <kexin.hao@windriver.com>
Acked-by: Jay Cliburn <jacliburn@bellsouth.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This way the phy layer will respond to a change in phy state immediately,
instead of up to one second later when the state machine timer runs.
Signed-off-by: Trent Piepho <tpiepho@freescale.com>
Acked-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The PHY's aneg is configured and restarted whenever the link is brought up,
e.g. when DHCP is started after the kernel has booted. This can take the
link down for several seconds while auto-negotiation is redone.
If the advertised features haven't changed, then it shouldn't be necessary
to bring down the link and start auto-negotiation over again.
genphy_config_advert() is enhanced to return 0 when the advertised features
haven't been changed and >0 when they have been.
genphy_config_aneg() then uses this information to not call
genphy_restart_aneg() if there has been no change.
Signed-off-by: Trent Piepho <tpiepho@freescale.com>
Acked-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add netconsole support for Atheros L2 10/100 network device.
Signed-off-by: Kevin Hao <kexin.hao@windriver.com>
Acked-by: Jay Cliburn <jacliburn@bellsouth.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes EMAC soft reset on 460EX/GT when no external clock is
available.
Signed-off-by: Victor Gallardo <vgallardo@amcc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the SIOCGMIIPHY case fall through properly (it is supposed
to not only return the ID of the default PHY but also to read from
that PHY), and make phy_mii_ioctl() return the same error code as
generic_mii_ioctl() in case of an unsupported operation.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Acked-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/e1000e/ich8lan.c
drivers/net/e1000e/netdev.c
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This patch removes STATUS_CONF_PENDING usage that called from
iwl4965_mac_config internally after scan completed.
It's called anyway from the mac80211 ieee80211_scan_completed():
if (local->hw_scanning) {
local->hw_scanning = false;
if (ieee80211_hw_config(local))
...
}
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch moves comment to proper line, it has moved during
code shuffling.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch sets rx_chain bitmap correctly according hw configuration.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Clean up the tx status reporting, fix retry counters (short retries are
virtual collisions, not actual retries). Implement multi-rate retry
support.
This also fixes strong throughput fluctuations with rc80211_pid
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch adjusts the rate control API to allow multi-rate retry
if supported by the driver. The ieee80211_hw struct specifies how
many alternate rate selections the driver supports.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Free up 2 bytes in skb->cb to be used for multi-rate retry later.
Move iv_len and icv_len initialization into key alloc.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The state field of the rfkill structure was incorrectly initialized to -1, which results in rfkill
issueing a WARN_ON. Fix this by initializing the state field to the proper value as indicated by
the driver.
Signed-off-by: Gertjan van Wingerde <gwingerde@kpnplanet.nl>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch adds the a few lines that went missing in
"p54: 802.11a 5GHz phy support"
Essentially: the rx-code wasn't updated and therefore reported the wrong band,
but more importantly the rate index was off as well, since 802.11a doesn't
allow the "four" 802.11b rates...
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This enables Adaptive Noise Immunity (ANI) on ath9k.
ANI is as algorithm designed to minimize the detrimental
effects of time-varying interferences. This should
help with throughput in noisy environments. To use
ANI we re-enable the MIB interrupt. Since ANI works
on a timer and updates the noise floor we take
advantage of this and also report a non-static noise
floor now to mac80211.
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: Jouni Malinen <Jouni.Malinen@Atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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We were trying to hold the wrong spinlock due to a typo
on IEEE80211_BAR_CTL_TID_S's definition. We use this to
compute the tid number and then hold this this tid number's
spinlock.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Part of the cleanup on ath9k -- this was also causing some
annoying compile time warnings.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This hunk was originally removed as part of "ath9k: Fix IRQ nobody cared
issue with ath9k".
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Found during the (partial) unregister_netdevice audit that we didn't
have to have :)
It looks like a couple of Sun NIC drivers had unregister_netdevice
when they really meant unregister_netdev.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Doing 'WARN_ON(preempt_count())' was horribly horribly wrong, and would
cause tons of warnings at bootup if PREEMPT was enabled because the
initcalls currently run with the kernel lock, which increments the
preempt count.
At the same time, the warning was also insufficient, since it didn't
check that interrupts were enabled.
The proper debug function to use for something that can sleep and wants
a warning if it's called in the wrong context is 'might_sleep()'.
Reported-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch adds a mutex to the e1000e driver that would help
catch any collisions of two e1000e threads accessing hardware
at the same time.
description and patch updated by Jesse
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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