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As seen when booting ppc64_defconfig:
sysctl table check failed: /net/token-ring .3.14 procname does not match binary path procname
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All 32 bits machines but i386 dont have CONFIG_KTIME_SCALAR. On these
machines, ktime.tv64 is more than 4 times the (correct) result given
by ktime_to_ns()
Again on these machines, using ktime_get_real().tv64 >> 6 give a
32bits rollover every 64 seconds, which is not wanted (less than the
120 s MSL)
Using ktime_to_ns() is the portable way to get nsecs from a ktime, and
have correct code.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It makes no sense to enable interrupts if a device has been unplugged.
In addition if in doubt IRQ_HANDLED should be returned.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Acked-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It might be possible that, in some extreme scenario that
I just cannot now construct in my mind, end_seq <=
frto_highmark check does not match causing the lost_out
and LOST bits become out-of-sync due to clearing and
recounting in the loop.
This may fix LOST-bit leak reported by Chazarain Guillaume
<guichaz@yahoo.fr>.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Otherwise TCP might violate packet ordering principles that FRTO
is based on. If conventional recovery path is chosen, this won't
be significant at all. In practice, any small enough value will
be sufficient to provide proper operation for FRTO, yet other
users of snd_cwnd might benefit from a "close enough" value.
FRTO's formula is now equal to what tcp_enter_cwr() uses.
FRTO used to check application limitedness a bit differently but
I changed that in commit 575ee7140dabe9b9c4f66f4f867039b97e548867
and as a result checking for application limitedness became
completely non-existing.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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mii-tool can cause the driver to call msleep during nway reset,
bugzilla.kernel.org bug 8430. Fix by simply calling reinit_locked
outside of the spinlock, which is safe from ethtool, so it should be
safe from here.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reported by rmk from kautobuild output:
drivers/net/netx-eth.c: In function 'netx_eth_hard_start_xmit':
drivers/net/netx-eth.c:131: error: 'dev' undeclared (first use in this function)
drivers/net/netx-eth.c:131: error: (Each undeclared identifier is reported only once
drivers/net/netx-eth.c:131: error: for each function it appears in.)
drivers/net/netx-eth.c: In function 'netx_eth_receive':
drivers/net/netx-eth.c:158: error: 'dev' undeclared (first use in this function)
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reported by rmk from kautobuild output:
drivers/net/arm/ep93xx_eth.c:420: error: implicit declaration of function '__netif_rx_schedule_prep'
Signed-off-by: David S. Miller <davem@davemloft.net>
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The only qdiscs that check subqueue state before dequeue'ing are PRIO
and RR. The other qdiscs, including the default pfifo_fast qdisc,
will allow traffic bound for subqueue 0 through to hard_start_xmit.
The check for netif_queue_stopped() is done above in pkt_sched.h, so
it is unnecessary for qdisc_restart(). However, if the underlying
driver is multiqueue capable, and only sets queue states on subqueues,
this will allow packets to enter the driver when it's currently unable
to process packets, resulting in expensive requeues and driver
entries. This patch re-adds the check for the subqueue status before
calling hard_start_xmit, so we can try and avoid the driver entry when
the queues are stopped.
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6:
hwmon: (i5k_amb) Convert macros to C functions
hwmon: (w83781d) Add missing curly braces
hwmon: (abituguru3) Identify ABit IP35 Pro as such
hwmon: (f75375s) pwmX_mode sysfs files writable for f75375 variant
hwmon: (f75375s) On n2100 systems, set fans to full speed on boot
hwmon: (f75375s) Allow setting up fans with platform_data
hwmon: (f75375s) Add new style bindings
hwmon: (lm70) Convert semaphore to mutex
hwmon: (applesmc) Add support for Mac Pro 2 x Quad-Core
hwmon: (abituguru3) Add support for 2 new motherboards
hwmon: (ibmpex) Change printk to dev_{info,err} macros
hwmon: (i5k_amb) New memory temperature sensor driver
hwmon: (f75375s) fix pwm mode setting
hwmon: (ibmpex.c) fix NULL dereference
hwmon: (sis5595) Split sis5595_attributes_opt
hwmon: (sis5595) Add individual alarm files
hwmon: (w83627hf) push nr+1 offset into *_REG_FAN macros and simplify
hwmon: (w83627hf) hoist nr-1 offset out of show-store-temp-X
hwmon: Add power meter spec to Documentation/hwmon/sysfs-interface
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (45 commits)
[NETFILTER]: xt_time should not assume CONFIG_KTIME_SCALAR
[NET]: Move unneeded data to initdata section.
[NET]: Cleanup pernet operation without CONFIG_NET_NS
[TEHUTI]: Fix incorrect usage of strncat in bdx_get_drvinfo()
[MYRI_SBUS]: Prevent that myri_do_handshake lies about ticks.
[NETFILTER]: bridge: fix double POSTROUTING hook invocation
[NETFILTER]: Consolidate nf_sockopt and compat_nf_sockopt
[NETFILTER]: nf_nat: fix memset error
[INET]: Use list_head-s in inetpeer.c
[IPVS]: Remove unused exports.
[NET]: Unexport sysctl_{r,w}mem_max.
[TG3]: Update version to 3.86
[TG3]: MII => TP
[TG3]: Add A1 revs
[TG3]: Increase the PCI MRRS
[TG3]: Prescaler fix
[TG3]: Limit 5784 / 5764 to MAC LED mode
[TG3]: Disable GPHY autopowerdown
[TG3]: CPMU adjustments for loopback tests
[TG3]: Fix nvram selftest failures
...
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] Silence an annoying boot message
[POWERPC] Fix early btext debug on PowerMac
[POWERPC] Demote clockevent printk to KERN_DEBUG
[POWERPC] Fix CONFIG_SMP=n build error on ppc64
[POWERPC] Avoid unpaired stwcx. on some processors
[POWERPC] Fix oops related to 4xx flush_tlb_page modification
[POWERPC] cpm: Fix a couple minor issues in cpm_common.c.
[POWERPC] Add -mno-spe for ARCH=powerpc builds
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get_property() should not call battery_update(), it also should call
get_status() only if battery is present to avoid cycle and oops.
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Tested-by: Rolf Eike Beer <eike-kernel@sf-tec.de>
Acked-by: Johannes Weiner <hannes@saeurebad.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This reverts commit 7c9e69faa28027913ee059c285a5ea8382e24b5d, fixing up
conflicts in fs/ext4/balloc.c manually.
The cost of doing the bitmap validation on each lookup - even when the
bitmap is cached - is absolutely prohibitive. We could, and probably
should, do it only when adding the bitmap to the buffer cache. However,
right now we are better off just reverting it.
Peter Zijlstra measured the cost of this extra validation as a 85%
decrease in cached iozone, and while I had a patch that took it down to
just 17% by not being _quite_ so stupid in the validation, it was still
a big slowdown that could have been avoided by just doing it right.
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Aneesh Kumar <aneesh.kumar@linux.vnet.ibm.com>
Cc: Andreas Dilger <adilger@clusterfs.com>
Cc: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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It is not correct to assume one can get nsec from a ktime directly by
using .tv64 field.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch reverts Eric's commit 2b008b0a8e96b726c603c5e1a5a7a509b5f61e35
It diets .text & .data section of the kernel if CONFIG_NET_NS is not set.
This is safe after list operations cleanup.
Signed-of-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If CONFIG_NET_NS is not set, the only namespace is possible.
This patch removes list of pernet_operations and cleanups code a bit.
This list is not needed if there are no namespaces. We should just call
->init method.
Additionally, the ->exit will be called on module unloading only. This
case is safe - the code is not discarded. For the in/kernel code, ->exit
should never be called.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix incorrect length for strncat by replacing it with strlcat
Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With '<=' tick can be incremented up to 26, The last loop is redundant
since even when 'softstate' becomes 'STATE_READY', 'if (tick > 25)'
will still cause the function to return -1,
Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Packets routed between bridges have the POST_ROUTING hook invoked
twice since bridging mistakes them for bridged packets because
they have skb->nf_bridge set.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Both lookup the nf_sockopt_ops object to call the get/set callbacks
from, but they perform it in a completely similar way.
Introduce the helper for finding the ops.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The size passing to memset is the size of a pointer.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The inetpeer.c tracks the LRU list of inet_perr-s, but makes
it by hands. Use the list_head-s for this.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch removes the following unused EXPORT_SYMBOL's:
- ip_vs_try_bind_dest
- ip_vs_find_dest
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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sysctl_{r,w}mem_max can now be unexported.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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vmemmap_populate will printk (with KERN_WARNING) for a lot of pages
if CONFIG_SPARSEMEM_VMEMMAP is enabled (at least it does on iSeries).
Use pr_debug for it instead.
Replace the only other use of DBG in this file with pr_debug as well.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This patch updates the version number to 3.86
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The early btext debug wouldn't work on PowerMac when booted from BootX
due to the code looking for the wrong property name.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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These don't need to be seen by everyone on every boot.
Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The patch "KVM: fix !SMP build error" change the way smp_call_function()
actually uses the passed in function names on non-SMP builds. So
previously it was never caught that the function passed in was never
actually defined.
This causes a build error on ppc64_defconfig + CONFIG_SMP=n:
arch/powerpc/mm/tlb_64.c: In function 'pgtable_free_now':
arch/powerpc/mm/tlb_64.c:71: error: 'pte_free_smp_sync' undeclared (first use in this function)
arch/powerpc/mm/tlb_64.c:71: error: (Each undeclared identifier is reported only once
arch/powerpc/mm/tlb_64.c:71: error: for each function it appears in.)
So we need to define it even if CONFIG_SMP is off. Either that or ifdef
out the smp_call_function() call, but that's ugly.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The context switch code in the kernel issues a dummy stwcx. to clear the
reservation, as recommended by the architecture. However, some processors
can have issues if this stwcx to address A occurs while the reservation
is already held to a different address B. To avoid this problem, the dummy
stwcx. needs to be paired with a dummy lwarx to the same address.
This adds the dummy lwarx, and creates a cpu feature bit to indicate
which cpus are affected. Tested on mpc8641_hpcn_defconfig in
arch/powerpc; build tested in arch/ppc.
Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This patch changes the PHY type reported through ethtool for copper
devices from MII to TP. The latter is more accurate.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds the A1 revision of 5784, 5764, and 5761, and applies all
previous bugfixes. In places where the list of devices gets too long,
the patch uses a new TG3_FLG3_5761_5784_AX_FIXES flag instead.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Previous devices hardcoded the PCI Maximum Read Request Size to 4K. To
better comply with the PCI spec, the hardware now defaults the MRRS to
512 bytes. This will yield poor driver performance if left untouched.
This patch increases the MRRS to 4K on driver initialization.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Internal hardware timers become inaccurate after link events. Clock
frequency switches performed by the CPMU fail to adjust timer
prescalers. The fix is to detect core clock frequency changes during
link events and adjust the timer prescalers accordingly.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Most 5784 / 5764 LED modes do not work as expected because of a hardware
bug. This patch forces the LED mode to be in MAC LED mode.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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New CPMU devices contend with the GPHY for power management. The GPHY
autopowerdown feature is enabled by default in the PHY and thus needs to
be disabled after every PHY reset.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds the LINK_SPEED mode to the list of CPMU modes that can
cause the loopback tests to fail. These bugs are planned to be fixed in
future revisions of the chip, so the patch qualifies the fixes as such.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Newer devices contain bootcode in the chip's private ROM area. This
bootcode is called selfboot. Selfboot can be patched in the device's
NVRAM and the patches can have several formats. In one particular
format, the checksum calculation needs to be slightly modified. This
patch adjusts the NVRAM test code for that case, and add support for the
missing formats.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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5784 and 5764 devices lock up when the link speed is 10Mbps, the CPMU
link speed mode is enabled, and the MAC clock is running at 1.5Mhz. The
fix is to run the MAC clock at faster speeds.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch corrects a bug where the ENABLE_APE flag was tested against
the wrong flag variable.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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5784 and 5764 devices fail to link / pass traffic after one load /
unload cycle. This happens because of a hardware bug in the new CPMU.
During normal operation, the MAC depends on the PHY clock being
available. When the PHY is powered down, the clock the MAC depends on
is disabled. The fix is to switch the MAC clock to an alternate source
before powering down the PHY, and to restore the MAC clock to the PHY
source upon device resume.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When 5761 devices boot the machine using PXEboot, PXE leaves the device
active when it terminates. The tg3 driver has code to detect this
condition and resets the device during initialization. On 5761 devices,
device resets involve sending a driver state update message to the APE
on the 5761. However, during this initialization stage, communications
to the APE registers have not yet been set up. The driver then
dereferences a NULL pointer and crashes the machine. The fix is to move
the APE register access setup earlier in the initialization code to
cover this condition.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify some code by eliminating duplicate if-else clauses in
packet_do_bind().
Signed-off-by: Urs Thuermann <urs@isnogud.escape.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When I removed net-modules.txt because it only contained ancient
information I missed that many Kconfig entries pointed to this ancient
information.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc into merge
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master.kernel.org:/pub/scm/linux/kernel/git/vxy/lksctp-dev
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...and fix a couple of bugs in the NBD, CIFS and OCFS2 socket handlers.
Looking at the sock->op->shutdown() handlers, it looks as if all of them
take a SHUT_RD/SHUT_WR/SHUT_RDWR argument instead of the
RCV_SHUTDOWN/SEND_SHUTDOWN arguments.
Add a helper, and then define the SHUT_* enum to ensure that kernel users
of shutdown() don't get confused.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Acked-by: Mark Fasheh <mark.fasheh@oracle.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit bea3348e (the NAPI changes) made sungem unconditionally enable
NAPI when resuming and unconditionally disable when suspending, this,
however, makes napi_disable() hang when suspending when the interface
was taken down before suspend because taking the interface down also
disables NAPI. This patch makes touching the napi struct in
suspend/resume code paths depend on having the interface up, thereby
fixing the hang on suspend.
The patch also moves the napi_disable() in gem_close() under the lock so
that the NAPI state is always modified atomically together with the
"opened" variable.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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