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Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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This reverts commit 78ad5cdd21f0d614983fc397338944e797ec70b9.
This commit breaks dpm and suspend/resume on CZ.
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Signed-off-by: Boyuan Zhang <boyuan.zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap fix from Mark Brown:
"regmap: Fix handling of present bits on rbtree cache block resize
When expanding a cache block we use krealloc() to resize the register
present bitmap without initialising the newly allocated data (the
original code was written for kzalloc()). Add an appropraite memset()
to fix that"
* tag 'regmap-fix-v4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: regcache-rbtree: Clean new present bits on present bitmap resize
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When creating dm-cache with the default policy, it will call
request_module("dm-cache-default") to register the default policy.
But the "dm-cache-default" alias was left referring to the MQ policy.
Fix this by moving the module alias to SMQ.
Fixes: bccab6a0 (dm cache: switch the "default" cache replacement policy from mq to smq)
Signed-off-by: Yi Zhang <yizhan@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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When using nested btrees, the top leaves of the top levels contain
block addresses for the root of the next tree down. If we shadow a
shared leaf node the leaf values (sub tree roots) should be incremented
accordingly.
This is only an issue if there is metadata sharing in the top levels.
Which only occurs if metadata snapshots are being used (as is possible
with dm-thinp). And could result in a block from the thinp metadata
snap being reused early, thus corrupting the thinp metadata snap.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
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The device details and mapping trees were just being decremented
before. Now btree_del() is called to do a deep delete.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
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The kbuild test robot reported implicit declaration of function
'acpi_dev_get_resources'.
Surround ACPI function by CONFIG_ACPI test.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Frederic Danis <frederic.danis@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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devm_gpiod_get currently has an optional parameter to set initial
direction and value for the requested gpio. Make use of this to simplify
the driver and make it not fail to build when this parameter is made
mandatory (which is scheduled for 4.3-rc1).
Moreover use the _optional variant of devm_gpiod_get to simplify error
handling (which also gets more strict for free).
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This change adds documentation for xfrm4_gc_thresh and xfrm6_gc_thresh
based on the comments in commit eeb1b73378b56 ("xfrm: Increase the garbage
collector threshold").
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-kconfig
Pull localmodconfig fix from Steven Rostedt:
"Leonidas Spyropoulos found that modules like nouveau were being
unselected by make localmodconfig even though their configs were set
and the module was loaded and visible by lsmod.
The reason for this was because streamline-config.pl only looks at
Makefiles, and not Kbuild files. As these modules use Kbuild for
their names, they too need to be checked by localmodconfig. This was
fixed by Richard Weinberger"
* tag 'localmodconfig-v4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-kconfig:
localmodconfig: Use Kbuild files too
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In kbuild it is allowed to define objects in files named "Makefile"
and "Kbuild".
Currently localmodconfig reads objects only from "Makefile"s and misses
modules like nouveau.
Link: http://lkml.kernel.org/r/1437948415-16290-1-git-send-email-richard@nod.at
Cc: stable@vger.kernel.org
Reported-and-tested-by: Leonidas Spyropoulos <artafinde@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
Johan Hedberg says:
====================
pull request: bluetooth 2015-08-11
Here's an important regression fix for the 4.2-rc series that ensures
user space isn't given invalid LTK values. The bug essentially prevents
the encryption of subsequent LE connections, i.e. makes it impossible to
pair devices over LE.
Let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds a 6lowpan.txt into the networking documentation
directory. Currently this documentation describes how the lowpan
private data of net devices will be handled.
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Suggested-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch moves module_init of 6lowpan module into core functionality
of 6lowpan module. To load the ipv6 module at probing of the 6lowpan
module should be core functionality. Loading next header compression
modules is iphc specific. Nevertheless we only support IPHC for the
generic 6LoWPAN branch right now so we can put it into the core
functionality. If possible new compression formats are introduced nhc
should load only when iphc is build.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch introduced the 6lowpan netdev private data struct. We name it
lowpan_priv and it's placed at the beginning of netdev private data. All
lowpan interfaces should allocate this room at first of netdev private
data. 6LoWPAN LL private data can be allocate by additional netdev private
data, e.g. dev->priv_size should be "sizeof(struct lowpan_priv) +
sizeof(LL_LOWPAN_PRIVATE_DATA)".
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The usually way to get the btle lowpan private data is to use the
introduced lowpan_dev inline function. This patch will cleanup by using
lowpan_dev consequently.
Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Add reference to hci_uart structure to bcm_device.
This allows suspend/resume callbacks to manage UART flow control.
Signed-off-by: Frederic Danis <frederic.danis@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Parse platform_device's ACPI to retrieve UART init speed.
When BCM device is open, check if its TTY has same parent as one of the
platform devices saved. If yes, use platform_device's init speed.
Signed-off-by: Frederic Danis <frederic.danis@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Power management support for BCM2E39 is now performed in Bluetooth
BCM UART driver.
Signed-off-by: Frederic Danis <frederic.danis@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Retrieve "shutdown" and "device_wakeup" GPIOs from ACPI.
Set device off during platform device enumeration.
Set device on only when attached.
As driver can be unbound we need to check if the bcm_device still exists
before calling GPIO's functions, this is protected using device_list_lock.
Signed-off-by: Frederic Danis <frederic.danis@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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We are not interested in interrupts for partially transmitted frames.
Unlike SCC and FCC, the FEC doesn't handle the I bit in buffer
descriptors, instead it defines two interrupt bits, TXB and TXF.
We have to mask TXB in order to only get interrupts once the
frame is fully transmitted.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We are not interested in interrupts for partially transmitted frames,
we have to clear BD_ENET_TX_INTR explicitly otherwise it may remain
from a previously used descriptor.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Vivien Didelot says:
====================
net: dsa: mv88e6xxx: support switchdev FDB objects
This patchset refactors the FDB management in the mv88e6xxx code and adds the
glue in DSA to use the switchdev FDB objects.
Below is an usage example (ports 0-2 belongs to br0, ports 3-4 belongs to br1):
# bridge fdb add 3c:97:0e:11:30:6e dev swp2
# bridge fdb add 3c:97:0e:11:40:78 dev swp3
# bridge fdb add 3c:97:0e:11:50:86 dev swp4
# bridge fdb del 3c:97:0e:11:40:78 dev swp3
# bridge fdb
01:00:5e:00:00:01 dev eth0 self permanent
01:00:5e:00:00:01 dev eth1 self permanent
00:50:d2:10:78:15 dev swp0 master br0 permanent
3c:97:0e:11:30:6e dev swp2 self static
00:50:d2:10:78:15 dev swp3 master br1 permanent
3c:97:0e:11:50:86 dev swp4 self static
# cat /sys/kernel/debug/dsa0/atu
# DB T/P Vec State Addr
# 001 Port 004 e 3c:97:0e:11:30:6e
# 004 Port 010 e 3c:97:0e:11:50:86
For the 88E6xxx switches, FIDs 1 to num_ports will be reserved for non-bridged
ports and bridge groups, and the remaining will be later used by VLANs.
This change is necessary to welcome the support for hardware VLANs (which will
follow soon).
Changes in v3:
- reorder commits to improve bisectability and minimize diffs
- add an ndm_state member in switchdev_fdb_obj instead of an is_static boolean
- drop the need to convert unsigned char *addr to u8 addr[ETH_ALEN]
(it is casted to char pointer anyway)
Changes in v2:
- remove ndo_bridge_{get,set,del}link from switchdev/DSA glue code
- use ether_addr_copy instead of memcpy for MAC addresses
- constify MAC address in port_fdb_{add,del}
- split the mv88e6xxx code refactoring into several patches
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Implement the switchdev_port_obj_{add,del,dump} functions in DSA to
support the SWITCHDEV_OBJ_PORT_FDB objects.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds an ndm_state member to the switchdev_obj_fdb structure,
in order to support static FDB addresses.
Set Rocker ndm_state to NUD_REACHABLE.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Acked-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a low level _mv88e6xxx_atu_getnext function for convenient access to
the hardware, and rework the FDB Get Next operation.
This will ease the future integration with VLAN IDs.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a mv88e6xxx_atu_entry structure and a low level function for the ATU
Load operation, and provide FDB add and delete wrappers functions.
This implementation handles the eventual trunk mapping. If the related
bit is set, then the ATU data register would contain the trunk ID, and
not the port vector.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change the prototype of port_getnext to include a vid parameter.
This is necessary to introduce the support for VLAN.
Also rename the fdb_{add,del,getnext} function pointers to
port_fdb_{add,del,getnext} since they are specific to a given port.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rename the __mv88e6xxx_{read,write}_addr functions to more explicit
_mv88e6xxx_atu_mac_{read,write} functions, which also respect the single
underscore convention used in the file (meaning SMI lock must be held).
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver currently manages one FID per port (or bridge group), with a
mask of DSA_MAX_PORTS bits, where 0 means that the FID is in use.
The Marvell 88E6xxx switches support up to 4094 FIDs (from 1 to 0xfff;
FID 0 means that multiple address databases are not being used).
This patch changes the fid_mask for an fid_bitmap of 4096 bits.
>From now on, FIDs 1 to num_ports are reserved for non-bridged ports and
bridge groups (a bridge group gets the FID of its first member). The
remaining bits will be reserved for VLAN entries.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Define register GLOBAL_ATU_FID instead of the raw value 0x01.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit f1d5ca434413b20cd3f8c18ff2b634b7782149a5, reversing
changes made to 4933d85c5173832ebd261756522095837583c458.
I applied v2 instead of v3.
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is a build error that "'struct bpf_array' has no member
named 'prog'" on s390. In commit 2a36f0b92eb6 ("bpf: Make the
bpf_prog_array_map more generic"), the member 'prog' of struct
bpf_array is replaced by 'ptrs'. So this patch fixes it.
Fixes: 2a36f0b92eb6 ("bpf: Make the bpf_prog_array_map more generic")
Reported-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Kaixu Xia <xiakaixu@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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David Daney says:
====================
net: thunder: Add ACPI support.
Change from v1: Drop PHY binding part, use fwnode_property* APIs.
The first patch (1/2) rearranges the existing code a little with no
functional change to get ready for the second. The second (2/2) does
the actual work of adding support to extract the needed information
from the ACPI tables.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently there is no way to get the MAC address in a firmware
independent manner, so set the MAC address of the device directly from
the ACPI tables.
The binding agrees with the proposed standard here:
http://www.uefi.org/sites/default/files/resources/nic-request-v2.pdf
Based on code from: Narinder Dhillon <ndhillon@cavium.com>
Tomasz Nowicki <tomasz.nowicki@linaro.org>
Robert Richter <rrichter@cavium.com>
Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org>
Signed-off-by: Robert Richter <rrichter@cavium.com>
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Separate DT code in preparation for follow-on ACPI integration.
Based on code from: Tomasz Nowicki <tomasz.nowicki@linaro.org>
Signed-off-by: Robert Richter <rrichter@cavium.com>
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev fixes from Tomi Valkeinen:
- fix display regression on Versatile boards
- fix OF node refcount bugs on omapdss
- fix WARN about clock prepare on pxa3xx_gcu
- fix mem leak in videomode helpers
- fix fbconsole related boot problem on sun7i-a20-olinuxino-micro
* tag 'fbdev-fixes-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
fbcon: unconditionally initialize cursor blink interval
video: Fix possible leak in of_get_videomode()
video: fbdev: pxa3xx_gcu: prepare the clocks
OMAPDSS: Fix omap_dss_find_output_by_port_node() port refcount decrement
OMAPDSS: Fix node refcount leak in omapdss_of_get_next_port()
fbdev: select versatile helpers for the integrator
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The gateway selection based on fast connections is using a single value
calculated from the average tq (0-255) and the download bandwidth (in
100Kibit). The formula for the first step (tq ** 2 * 10000 * bandwidth)
tends to overflow a u32 with low bandwidth settings like 50 [100KiBit]
and a tq value of over 92.
Changing this to a 64 bit unsigned integer allows to support a
bandwidth_down with up to ~2.8e10 [100KiBit] and a perfect tq of 255. This
is ~6.6 times higher than the maximum possible value of the gateway
announcement TVLV.
This problem only affects the non-default gw_sel_class 1.
Signed-off-by: Ruben Wisniewsi <ruben@vfn-nrw.de>
[sven@narfation.org: rewritten commit message]
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
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The gw_factor is divided by BATADV_TQ_LOCAL_WINDOW_SIZE ** 2 * 64. But the
rest of the calculation has nothing to do with the tq window size and
therefore the calculation is just (tmp_gw_factor / (64 ** 3)).
Replace it with a simple shift to avoid a costly 64-bit divide when the
max_gw_factor is changed from u32 to u64. This type change is necessary
to avoid an overflow bug.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
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Rules can be installed that direct route lookups to specific tables based
on oif. Plumb the oif through the xfrm lookups so it gets set in the flow
struct and passed to the resolver routines.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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The patch was generated using fixed coccinelle semantic patch
scripts/coccinelle/api/memdup.cocci [1].
[1]: http://permalink.gmane.org/gmane.linux.kernel/2014320
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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Using ipv6_get_dsfield on the outer IP header implies that inner and
outer header are of the the same address family. For interfamily
tunnels, particularly 646, the code reading the DSCP field obtains the
wrong values (IHL and the upper four bits of the DSCP field).
This can cause the code to detect a congestion encoutered state in the
outer header and enable the corresponding bits in the inner header, too.
Since the DSCP field is stored in the xfrm mode common buffer
independently from the IP version of the outer header, it's safe (and
correct) to take this value from there.
Signed-off-by: Thomas Egerer <thomas.egerer@secunet.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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The commit ccc9d90a9a8b5c4ad7e9708ec41f75ff9e98d61d "xenbus_client:
Extend interface to support multi-page ring" removes the call to
free_xenballooned_pages() in xenbus_unmap_ring_vfree_hvm(), leaking a
page for every shared ring.
Only with backends running in HVM domains were affected.
Signed-off-by: Julien Grall <julien.grall@citrix.com>
Cc: <stable@vger.kernel.org>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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This reverts commit fcdf31a7c162de0c93a2bee51df4688ab0a348f8.
This was causing a WARNING whenever a PIRQ was closed since
shutdown_pirq() is called with irqs disabled.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Cc: <stable@vger.kernel.org>
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In commit b357a364c57c9 ("inet: fix possible panic in
reqsk_queue_unlink()"), I missed fact that tcp_check_req()
can return the listener socket in one case, and that we must
release the request socket refcount or we leak it.
Tested:
Following packetdrill test template shows the issue
0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
+0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0
+0 bind(3, ..., ...) = 0
+0 listen(3, 1) = 0
+0 < S 0:0(0) win 2920 <mss 1460,sackOK,nop,nop>
+0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK>
+.002 < . 1:1(0) ack 21 win 2920
+0 > R 21:21(0)
Fixes: b357a364c57c9 ("inet: fix possible panic in reqsk_queue_unlink()")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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reqsk_queue_destroy() and reqsk_queue_unlink() should use
del_timer_sync() instead of del_timer() before calling reqsk_put(),
otherwise we could free a req still used by another cpu.
But before doing so, reqsk_queue_destroy() must release syn_wait_lock
spinlock or risk a dead lock, as reqsk_timer_handler() might
need to take this same spinlock from reqsk_queue_unlink() (called from
inet_csk_reqsk_queue_drop())
Fixes: fa76ce7328b2 ("inet: get rid of central tcp/dccp listener timer")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When too many remotes are bound to an FDB entry, index may not be increased.
This problem will be caused on the large scale environment that is based on
the unicast default destination, for instance.
Signed-off-by: Atzm Watanabe <atzm@iij.ad.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the device tree support is disabled, the fifo_pin is uninitialized,
this patch will set the fifo_pin value based on platform data
Signed-off-by: Yong Li <sdliyong@gmail.com>
Acked-by: Varka Bhadram <varkabhadram@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Use '%zx' to print size_t format in order to fix the following build warning:
drivers/net/ethernet/mellanox/mlxsw/item.h:65:3: warning: format '%lx' expects argument of type 'long unsigned int', but argument 6 has type 'size_t' [-Wformat=]
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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