Commit Graph

651657 Commits

Author SHA1 Message Date
Linus Torvalds
6adfd6aceb MMC core:
- Fix multi-bit bus width without high-speed mode for MMC
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Merge tag 'mmc-v4.10-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC fix from Ulf Hansson:
 "Fix multi-bit bus width without high-speed mode for MMC"

* tag 'mmc-v4.10-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: core: fix multi-bit bus width without high-speed mode
2017-02-17 09:52:33 -08:00
Linus Torvalds
7ed1b12559 NTB bug fixes to address a crash when unloading the ntb module, a DMA
engine unmap leak, allowing the proper queue choice, and clearing the
 SKX irq bit.
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Merge tag 'ntb-4.10-bugfixes' of git://github.com/jonmason/ntb

Pull NTB bugfixes frfom Jon Mason:
 "NTB bug fixes to address a crash when unloading the ntb module, a DMA
  engine unmap leak, allowing the proper queue choice, and clearing the
  SKX irq bit"

* tag 'ntb-4.10-bugfixes' of git://github.com/jonmason/ntb:
  ntb: ntb_hw_intel: link_poll isn't clearing the pending status properly
  ntb_transport: Pick an unused queue
  ntb: ntb_perf missing dmaengine_unmap_put
  NTB: ntb_transport: fix debugfs_remove_recursive
2017-02-17 09:51:05 -08:00
Tobias Klauser
6d6a505a1e net: ethoc: Use eth_hw_addr_random()
Use eth_hw_addr_random() to set a random dev_addr and update
addr_assign_type instead of open-coding it.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 12:42:24 -05:00
David S. Miller
e1c151a479 Merge branch 'rhashtable-allocation-failure-during-insertion'
Herbert Xu says:

====================
rhashtable: Handle table allocation failure during insertion

v2 -

Added Ack to patch 2.
Fixed RCU annotation in code path executed by rehasher by using
rht_dereference_bucket.

v1 -

This series tackles the problem of table allocation failures during
insertion.  The issue is that we cannot vmalloc during insertion.
This series deals with this by introducing nested tables.

The first two patches removes manual hash table walks which cannot
work on a nested table.

The final patch introduces nested tables.

I've tested this with test_rhashtable and it appears to work.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 12:28:44 -05:00
Herbert Xu
da20420f83 rhashtable: Add nested tables
This patch adds code that handles GFP_ATOMIC kmalloc failure on
insertion.  As we cannot use vmalloc, we solve it by making our
hash table nested.  That is, we allocate single pages at each level
and reach our desired table size by nesting them.

When a nested table is created, only a single page is allocated
at the top-level.  Lower levels are allocated on demand during
insertion.  Therefore for each insertion to succeed, only two
(non-consecutive) pages are needed.

After a nested table is created, a rehash will be scheduled in
order to switch to a vmalloced table as soon as possible.  Also,
the rehash code will never rehash into a nested table.  If we
detect a nested table during a rehash, the rehash will be aborted
and a new rehash will be scheduled.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 12:28:35 -05:00
Herbert Xu
40f9f43970 tipc: Fix tipc_sk_reinit race conditions
There are two problems with the function tipc_sk_reinit.  Firstly
it's doing a manual walk over an rhashtable.  This is broken as
an rhashtable can be resized and if you manually walk over it
during a resize then you may miss entries.

Secondly it's missing memory barriers as previously the code used
spinlocks which provide the barriers implicitly.

This patch fixes both problems.

Fixes: 07f6c4bc04 ("tipc: convert tipc reference table to...")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 12:28:35 -05:00
Herbert Xu
98687f426b gfs2: Use rhashtable walk interface in glock_hash_walk
The function glock_hash_walk walks the rhashtable by hand.  This
is broken because if it catches the hash table in the middle of
a rehash, then it will miss entries.

This patch replaces the manual walk by using the rhashtable walk
interface.

Fixes: 88ffbf3e03 ("GFS2: Use resizable hash table for glocks")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 12:28:22 -05:00
Dan Carpenter
785f35775d dpaa_eth: small leak on error
This should be >= instead of > here.  It means that we don't increment
the free count enough so it becomes off by one.

Fixes: 9ad1a37493 ("dpaa_eth: add support for DPAA Ethernet")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 12:18:43 -05:00
Jisheng Zhang
4581be42fc net: mvneta: make mvneta_eth_tool_ops static
The mvneta_eth_tool_ops is only used internally in mvneta driver, so
make it static.

Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 12:16:29 -05:00
David S. Miller
4b5026ade5 Merge branch 'net-sched-reflect-hw-offload-in-classifiers'
Or Gerlitz says:

====================
net/sched: Reflect HW offload status in classifiers

Currently there is no way of querying whether a filter is
offloaded to HW or not when using "both" policy (where none
of skip_sw or skip_hw flags are set by user-space).

Added two new flags, "in hw" and "not in hw" such that user space
can determine if a filter is actually offloaded to hw. The "in hw"
UAPI semantics was chosen so it's similar to the "skip hw" flag logic.

If none of these two flags are set, this signals running
over older kernel.

As an example, add one vlan push + fwd rule, one matchall rule and one u32 rule
without any flags, and another vlan + fwd skip_sw rule, such that the different TC
classifier attempt to offload all of them -- all over mlx5 SRIOV VF rep:

	flower skip_sw indev eth2_0 src_mac e4:11:22:33:44:50 dst_mac e4:1d:2d:a5:f3:9d
	action vlan push id 52 action mirred egress redirect dev eth2

	flower indev eth2_0 src_mac e4:11:22:33:44:50 dst_mac e4:11:22:33:44:51
	action vlan push id 53 action mirred egress redirect dev eth2

	u32 ht 800: flowid 800:1 match ip src 192.168.1.0/24 action drop

Since that VF rep doesn't offload matchall/u32 and can currently offload
only one vlan push rule we expect three of the rules not to be offloaded:

filter protocol ip pref 99 u32
filter protocol ip pref 99 u32 fh 800: ht divisor 1
filter protocol ip pref 99 u32 fh 800::1 order 1 key ht 800 bkt 0 flowid 800:1 not in_hw
  match c0a80100/ffffff00 at 12
	action order 1: gact action drop
	 random type none pass val 0
	 index 8 ref 1 bind 1

filter protocol all pref 49150 matchall
filter protocol all pref 49150 matchall handle 0x1
  not in_hw
	action order 1: mirred (Egress Mirror to device veth1) pipe
 	index 27 ref 1 bind 1

filter protocol ip pref 49151 flower
filter protocol ip pref 49151 flower handle 0x1
  indev eth2_0
  dst_mac e4:11:22:33:44:51
  src_mac e4:11:22:33:44:50
  eth_type ipv4
  not in_hw
	action order 1:  vlan push id 53 protocol 802.1Q priority 0 pipe
	 index 20 ref 1 bind 1

	action order 2: mirred (Egress Redirect to device eth2) stolen
 	index 26 ref 1 bind 1

filter protocol ip pref 49152 flower
filter protocol ip pref 49152 flower handle 0x1
  indev eth2_0
  dst_mac e4:1d:2d:a5:f3:9d
  src_mac e4:11:22:33:44:50
  eth_type ipv4
  skip_sw
  in_hw
	action order 1:  vlan push id 52 protocol 802.1Q priority 0 pipe
	 index 19 ref 1 bind 1

	action order 2: mirred (Egress Redirect to device eth2) stolen
 	index 25 ref 1 bind 1

v3 --> v4 changes:
 - removed extra parenthesis (Dave)

v2 --> v3 changes:
 - fixed the matchall dump flags patch to do proper checks (Jakub)
 - added the same proper checks to flower where they were missing
 - that flower patch was added as #1 and hence all the other patches are offed-by-one

v1 --> v2 changes:
 - applied feedback from Jakub and Dave -- where none of the skip flags were set,
   the suggested approach didn't allow user space to distringuish between old kernel
   to a case when offloading to HW worked fine.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 12:08:07 -05:00
Or Gerlitz
5cecb6cc00 net/sched: cls_bpf: Reflect HW offload status
BPF classifier support for the "in hw" offloading flags.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Amir Vadai <amir@vadai.me>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 12:08:06 -05:00
Or Gerlitz
24d3dc6d27 net/sched: cls_u32: Reflect HW offload status
U32 support for the "in hw" offloading flags.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Amir Vadai <amir@vadai.me>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 12:08:06 -05:00
Or Gerlitz
c7d2b2f5ee net/sched: cls_matchall: Reflect HW offloading status
Matchall support for the "in hw" offloading flags.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Amir Vadai <amir@vadai.me>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 12:08:06 -05:00
Or Gerlitz
55593960d0 net/sched: cls_flower: Reflect HW offload status
Flower support for the "in hw" offloading flags.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Amir Vadai <amir@vadai.me>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 12:08:05 -05:00
Or Gerlitz
e696028acc net/sched: Reflect HW offload status
Currently there is no way of querying whether a filter is
offloaded to HW or not when using "both" policy (where none
of skip_sw or skip_hw flags are set by user-space).

Add two new flags, "in hw" and "not in hw" such that user
space can determine if a filter is actually offloaded to
hw or not. The "in hw" UAPI semantics was chosen so it's
similar to the "skip hw" flag logic.

If none of these two flags are set, this signals running
over older kernel.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Amir Vadai <amir@vadai.me>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 12:08:05 -05:00
Or Gerlitz
7a335adad8 net/sched: cls_matchall: Dump the classifier flags
The classifier flags are not dumped to user-space, do that.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Yotam Gigi <yotamg@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 12:08:05 -05:00
Or Gerlitz
749e6720d2 net/sched: cls_flower: Properly handle classifier flags dumping
Dump the classifier flags only if non zero and make sure to check
the return status of the handler that puts them into the netlink msg.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 12:08:04 -05:00
Philippe Reynes
ad8e963ca6 net: oki-semi: pch_gbe: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 12:00:14 -05:00
Arnd Bergmann
6fe1bfc46c Reset controller fixes for v4.10
- Remove erroneous negation of the error check of the reset function
   to decrement trigger_count in the error case, not on success. This
   fixes shared resets to actually only trigger once, as intended.
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Merge tag 'reset-for-4.10-fixes' of https://git.pengutronix.de/git/pza/linux into fixes

Pull "Reset controller fixes for v4.10" from Philipp Zabel:

- Remove erroneous negation of the error check of the reset function
  to decrement trigger_count in the error case, not on success. This
  fixes shared resets to actually only trigger once, as intended.

* tag 'reset-for-4.10-fixes' of https://git.pengutronix.de/git/pza/linux:
  reset: fix shared reset triggered_count decrement on error
2017-02-17 17:25:15 +01:00
Ivan Khoronzhuk
9fe9aa0b73 net: ethernet: ti: cpsw: correct ale dev to cpsw
The ale is a property of cpsw, so change dev to cpsw->dev,
aka pdev->dev, to be consistent.

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 11:12:32 -05:00
Anoob Soman
2bd624b461 packet: Do not call fanout_release from atomic contexts
Commit 6664498280 ("packet: call fanout_release, while UNREGISTERING a
netdev"), unfortunately, introduced the following issues.

1. calling mutex_lock(&fanout_mutex) (fanout_release()) from inside
rcu_read-side critical section. rcu_read_lock disables preemption, most often,
which prohibits calling sleeping functions.

[  ] include/linux/rcupdate.h:560 Illegal context switch in RCU read-side critical section!
[  ]
[  ] rcu_scheduler_active = 1, debug_locks = 0
[  ] 4 locks held by ovs-vswitchd/1969:
[  ]  #0:  (cb_lock){++++++}, at: [<ffffffff8158a6c9>] genl_rcv+0x19/0x40
[  ]  #1:  (ovs_mutex){+.+.+.}, at: [<ffffffffa04878ca>] ovs_vport_cmd_del+0x4a/0x100 [openvswitch]
[  ]  #2:  (rtnl_mutex){+.+.+.}, at: [<ffffffff81564157>] rtnl_lock+0x17/0x20
[  ]  #3:  (rcu_read_lock){......}, at: [<ffffffff81614165>] packet_notifier+0x5/0x3f0
[  ]
[  ] Call Trace:
[  ]  [<ffffffff813770c1>] dump_stack+0x85/0xc4
[  ]  [<ffffffff810c9077>] lockdep_rcu_suspicious+0x107/0x110
[  ]  [<ffffffff810a2da7>] ___might_sleep+0x57/0x210
[  ]  [<ffffffff810a2fd0>] __might_sleep+0x70/0x90
[  ]  [<ffffffff8162e80c>] mutex_lock_nested+0x3c/0x3a0
[  ]  [<ffffffff810de93f>] ? vprintk_default+0x1f/0x30
[  ]  [<ffffffff81186e88>] ? printk+0x4d/0x4f
[  ]  [<ffffffff816106dd>] fanout_release+0x1d/0xe0
[  ]  [<ffffffff81614459>] packet_notifier+0x2f9/0x3f0

2. calling mutex_lock(&fanout_mutex) inside spin_lock(&po->bind_lock).
"sleeping function called from invalid context"

[  ] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:620
[  ] in_atomic(): 1, irqs_disabled(): 0, pid: 1969, name: ovs-vswitchd
[  ] INFO: lockdep is turned off.
[  ] Call Trace:
[  ]  [<ffffffff813770c1>] dump_stack+0x85/0xc4
[  ]  [<ffffffff810a2f52>] ___might_sleep+0x202/0x210
[  ]  [<ffffffff810a2fd0>] __might_sleep+0x70/0x90
[  ]  [<ffffffff8162e80c>] mutex_lock_nested+0x3c/0x3a0
[  ]  [<ffffffff816106dd>] fanout_release+0x1d/0xe0
[  ]  [<ffffffff81614459>] packet_notifier+0x2f9/0x3f0

3. calling dev_remove_pack(&fanout->prot_hook), from inside
spin_lock(&po->bind_lock) or rcu_read-side critical-section. dev_remove_pack()
-> synchronize_net(), which might sleep.

[  ] BUG: scheduling while atomic: ovs-vswitchd/1969/0x00000002
[  ] INFO: lockdep is turned off.
[  ] Call Trace:
[  ]  [<ffffffff813770c1>] dump_stack+0x85/0xc4
[  ]  [<ffffffff81186274>] __schedule_bug+0x64/0x73
[  ]  [<ffffffff8162b8cb>] __schedule+0x6b/0xd10
[  ]  [<ffffffff8162c5db>] schedule+0x6b/0x80
[  ]  [<ffffffff81630b1d>] schedule_timeout+0x38d/0x410
[  ]  [<ffffffff810ea3fd>] synchronize_sched_expedited+0x53d/0x810
[  ]  [<ffffffff810ea6de>] synchronize_rcu_expedited+0xe/0x10
[  ]  [<ffffffff8154eab5>] synchronize_net+0x35/0x50
[  ]  [<ffffffff8154eae3>] dev_remove_pack+0x13/0x20
[  ]  [<ffffffff8161077e>] fanout_release+0xbe/0xe0
[  ]  [<ffffffff81614459>] packet_notifier+0x2f9/0x3f0

4. fanout_release() races with calls from different CPU.

To fix the above problems, remove the call to fanout_release() under
rcu_read_lock(). Instead, call __dev_remove_pack(&fanout->prot_hook) and
netdev_run_todo will be happy that &dev->ptype_specific list is empty. In order
to achieve this, I moved dev_{add,remove}_pack() out of fanout_{add,release} to
__fanout_{link,unlink}. So, call to {,__}unregister_prot_hook() will make sure
fanout->prot_hook is removed as well.

Fixes: 6664498280 ("packet: call fanout_release, while UNREGISTERING a netdev")
Reported-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Anoob Soman <anoob.soman@citrix.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 11:11:35 -05:00
Philippe Reynes
0fa9e2899c net: nvidia: forcedeth: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 11:05:33 -05:00
David S. Miller
af6e2b5b8c Merge branch 'ptp-attribute-cleanup'
Dmitry Torokhov says:

====================
PTP attribute handling cleanup

PTP core was creating some attributes, such as "period" and "fifo", and the
entire "pins" attribute group, after creating class deevice, which creates
a race for userspace: uevent may arrive before all attributes are created.

This series of patches switches PTP to use is_visible() to control
visibility of attributes in a group, and device_create_with_groups() to
ensure that attributes are created before we notify userspace of a new
device.

v2:
- added Richard's acked-by to patch #1
- removed use of kmalloc_array in favor of kcalloc in patch #2 at
  Richard's request
- added a cover letter

v1:
- initial patch set
====================

Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 11:03:07 -05:00
Dmitry Torokhov
85a66e5501 ptp: create "pins" together with the rest of attributes
Let's switch to using device_create_with_groups(), which will allow us to
create "pins" attribute group together with the rest of ptp device
attributes, and before userspace gets notified about ptp device creation.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 11:03:06 -05:00
Dmitry Torokhov
af59e717d5 ptp: use is_visible method to hide unused attributes
Instead of creating selected attributes after the device is created (and
after userspace potentially seen uevent), lets use attribute group
is_visible() method to control which attributes are shown. This will allow
us to create all attributes (except "pins" group, which will be taken care
of later) before userspace gets notified about new ptp class device.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 11:03:06 -05:00
Dmitry Torokhov
6f7aa56bae ptp: use kcalloc when allocating arrays
kcalloc is more semantically correct when allocating arrays of objects, and
overflow-safe.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 11:03:06 -05:00
Dmitry Torokhov
882f312dc0 ptp: do not explicitly set drvdata in ptp_clock_register()
We do not need explicitly call dev_set_drvdata(), as it is done for us by
device_create().

Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 11:03:05 -05:00
Eric Dumazet
01f0f42534 mlx4: do not fire tasklet unless necessary
All rx and rx netdev interrupts are handled by respectively
by mlx4_en_rx_irq() and mlx4_en_tx_irq() which simply schedule a NAPI.

But mlx4_eq_int() also fires a tasklet to service all items that were
queued via mlx4_add_cq_to_tasklet(), but this handler was not called
unless user cqe was handled.

This is very confusing, as "mpstat -I SCPU ..." show huge number of
tasklet invocations.

This patch saves this overhead, by carefully firing the tasklet directly
from mlx4_add_cq_to_tasklet(), removing four atomic operations per IRQ.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Tariq Toukan <tariqt@mellanox.com>
Cc: Saeed Mahameed <saeedm@mellanox.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-17 10:55:22 -05:00
Jerome Brunet
e5a1dadec3 reset: fix shared reset triggered_count decrement on error
For a shared reset, when the reset is successful, the triggered_count is
incremented when trying to call the reset callback, so that another device
sharing the same reset line won't trigger it again. If the reset has not
been triggered successfully, the trigger_count should be decremented.

The code does the opposite, and decrements the trigger_count on success.
As a consequence, another device sharing the reset will be able to trigger
it again.

Fixed be removing negation in from of the error code of the reset function.

Fixes: 7da33a37b4 ("reset: allow using reset_control_reset with shared reset")

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-02-17 08:11:47 +01:00
Dave Jiang
939ada5fb5 ntb: ntb_hw_intel: link_poll isn't clearing the pending status properly
On Skylake hardware, the link_poll isn't clearing the pending interrupt
bit.  Adding a new function for SKX that handles clearing of status bit the
right way.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Fixes: 783dfa6c ("ntb: Adding Skylake Xeon NTB support")
Signed-off-by: Jon Mason <jdmason@kudzu.us>
2017-02-16 23:11:26 -05:00
Thomas VanSelus
8fcd0950c0 ntb_transport: Pick an unused queue
Fix typo causing ntb_transport_create_queue to select the first
queue every time, instead of using the next free queue.

Signed-off-by: Thomas VanSelus <tvanselus@xes-inc.com>
Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Acked-by: Allen Hubbe <Allen.Hubbe@dell.com>
Fixes: fce8a7bb5 ("PCI-Express Non-Transparent Bridge Support")
Signed-off-by: Jon Mason <jdmason@kudzu.us>
2017-02-16 23:11:26 -05:00
Dave Jiang
9644347c52 ntb: ntb_perf missing dmaengine_unmap_put
In the normal I/O execution path, ntb_perf is missing a call to
dmaengine_unmap_put() after submission. That causes us to leak
unmap objects.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Fixes: 8a7b6a77 ("ntb: ntb perf tool")
Signed-off-by: Jon Mason <jdmason@kudzu.us>
2017-02-16 23:11:26 -05:00
Allen Hubbe
dd62245e73 NTB: ntb_transport: fix debugfs_remove_recursive
The call to debugfs_remove_recursive(qp->debugfs_dir) of the sub-level
directory must not be later than
debugfs_remove_recursive(nt_debugfs_dir) of the top-level directory.
Otherwise, the sub-level directory will not exist, and it would be
invalid (panic) to attempt to remove it.  This removes the top-level
directory last, after sub-level directories have been cleaned up.

Signed-off-by: Allen Hubbe <Allen.Hubbe@dell.com>
Fixes: e26a5843f ("NTB: Split ntb_hw_intel and ntb_transport drivers")
Signed-off-by: Jon Mason <jdmason@kudzu.us>
2017-02-16 23:10:52 -05:00
Linus Torvalds
0722f57bfa one i915, one radeon regression fix.
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Merge tag 'drm-fixes-for-v4.10-final' of git://people.freedesktop.org/~airlied/linux

Pull drm fixes from Dave Airlie:
 "Just two last minute fixes, one for DP MST oopses and one for a radeon
  regression"

* tag 'drm-fixes-for-v4.10-final' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon: Use mode h/vdisplay fields to hide out of bounds HW cursor
  drm/dp/mst: fix kernel oops when turning off secondary monitor
2017-02-16 18:44:38 -08:00
David S. Miller
99d5ceeea5 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
Steffen Klassert says:

====================
pull request (net-next): ipsec-next 2017-02-16

1) Make struct xfrm_input_afinfo const, nothing writes to it.
   From Florian Westphal.

2) Remove all places that write to the afinfo policy backend
   and make the struct const then.
   From Florian Westphal.

3) Prepare for packet consuming gro callbacks and add
   ESP GRO handlers. ESP packets can be decapsulated
   at the GRO layer then. It saves a round through
   the stack for each ESP packet.

Please note that this has a merge coflict between commit

63fca65d08 ("net: add confirm_neigh method to dst_ops")

from net-next and

3d7d25a68e ("xfrm: policy: remove garbage_collect callback")
a2817d8b27 ("xfrm: policy: remove family field")

from ipsec-next.

The conflict can be solved as it is done in linux-next.

Please pull or let me know if there are problems.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-16 21:25:49 -05:00
David S. Miller
5237b9dde3 Merge branch '10GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:

====================
10GbE Intel Wired LAN Driver Updates 2017-02-16

This series contains updates to ixgbe only.

Tony updates the driver to advertise 2.5Gb and 5.0Gb if the adapter
supports it.

Stephen Hemminger renames our dcbnl_ops since it is global to
ixgbe_dcbnl_ops to avoid namespace issues.

Mark updates the driver version based on the recent changes.

Alex has the remainder of the changes, starting with consolidating
functions that represent logical steps in the receive process so we can
later update them more easily (and align with igb).  Modify the receive
path to only synchronize the length of the frame versus the entire buffer.
Provided performance improvements by adding support for
DMA_ATTR_SKIP_CPU_SYNC and DMA_ATTR_WEAK_ORDERING.  Also made additional
performance gains by batching the page count updates instead of doing
them one at a time.  Adjusted the receive path to use 3k buffers with
8k backing them in order to support build_skb with jumbo frames.  Made
additional driver improvements by using the length of the packet instead
of the DD status to determine if a new descriptor is ready to be
processed, which cuts down on reads.  To reduce code duplication, pulled
apart the receive path into separate functions.  Added support for
providing a buffer with headroom and tailroom to allow for shared info
for NET_SKB_PAD and NET_IP_ALIGN.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-16 21:19:44 -05:00
Dave Airlie
18a0de8816 Merge branch 'drm-fixes-4.10' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
One regression fix for interlaced modes on radeon

* 'drm-fixes-4.10' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: Use mode h/vdisplay fields to hide out of bounds HW cursor
2017-02-17 11:13:17 +10:00
David S. Miller
3f64116a83 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-02-16 19:34:01 -05:00
Linus Torvalds
558e8e27e7 Revert "nohz: Fix collision between tick and other hrtimers"
This reverts commit 24b91e360e and commit
7bdb59f1ad ("tick/nohz: Fix possible missing clock reprog after tick
soft restart") that depends on it,

Pavel reports that it causes occasional boot hangs for him that seem to
depend on just how the machine was booted.  In particular, his machine
hangs at around the PCI fixups of the EHCI USB host controller, but only
hangs from cold boot, not from a warm boot.

Thomas Gleixner suspecs it's a CPU hotplug interaction, particularly
since Pavel also saw suspend/resume issues that seem to be related.
We're reverting for now while trying to figure out the root cause.

Reported-bisected-and-tested-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Wanpeng Li <wanpeng.li@hotmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@kernel.org  # reverted commits were marked for stable
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-16 12:19:18 -08:00
Ganesh Goudar
f3caf8618b cxgb4: Remove redundant code in t4_uld_clean_up()
Remove variable rxq_info and also remove redundant assignment
to it.

Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-16 14:32:52 -05:00
Ganesh Goudar
5d071c24f0 cxgb4: Add new T5 and T6 pci device id's
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-16 14:32:52 -05:00
Arjun V
45da1ca2e2 cxgb4: Increase max number of tc u32 links
Make max number of supported tc u32 links equal to max number of filters
supported by hardware.

Signed-off-by: Arjun V <arjun@chelsio.com>
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-16 14:32:52 -05:00
Linus Torvalds
4695daefba media fixes for v4.10-rc9
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Merge tag 'media/v4.10-5' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media fix from Mauro Carvalho Chehab:
 "A regression fix that makes the Siano driver to work again after the
  CONFIG_VMAP_STACK change"

* tag 'media/v4.10-5' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  [media] siano: make it work again with CONFIG_VMAP_STACK
2017-02-16 10:22:41 -08:00
Miklos Szeredi
5a81e6a171 vfs: fix uninitialized flags in splice_to_pipe()
Flags (PIPE_BUF_FLAG_PACKET, PIPE_BUF_FLAG_GIFT) could remain on the
unused part of the pipe ring buffer.  Previously splice_to_pipe() left
the flags value alone, which could result in incorrect behavior.

Uninitialized flags appears to have been there from the introduction of
the splice syscall.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Cc: <stable@vger.kernel.org> # 2.6.17+
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-16 09:09:02 -08:00
Linus Torvalds
58f6eaee7b Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse fixes from Miklos Szeredi:
 "Fix a use after free bug introduced in 4.2 and using an uninitialized
  value introduced in 4.9"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
  fuse: fix uninitialized flags in pipe_buffer
  fuse: fix use after free issue in fuse_dev_do_read()
2017-02-16 09:05:34 -08:00
Linus Torvalds
aa6fba55cc pci-v4.10-fixes-4
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Merge tag 'pci-v4.10-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fix from Bjorn Helgaas:
 "Add back pcie_pme_remove() so we free the IRQ when removing PCIe port
  devices; previously the leaked IRQ caused an MSI BUG_ON"

* tag 'pci-v4.10-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI/PME: Restore pcie_pme_driver.remove
2017-02-16 09:03:37 -08:00
Colin Ian King
27d1c469a5 Bluetooth: fix spelling mistake: "advetising" -> "advertising"
trivial fix to spelling mistake in BT_ERR_RATELIMITED error message

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2017-02-16 17:39:35 +01:00
Colin Ian King
a9a4840dc4 Bluetooth: btmrvl: fix spelling mistake: "caibration" -> "calibration"
trivial fix to spelling mistake in BT_ERR error message

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2017-02-16 17:38:51 +01:00
Linus Torvalds
3c7a9f32f9 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) In order to avoid problems in the future, make cgroup bpf overriding
    explicit using BPF_F_ALLOW_OVERRIDE. From Alexei Staovoitov.

 2) LLC sets skb->sk without proper skb->destructor and this explodes,
    fix from Eric Dumazet.

 3) Make sure when we have an ipv4 mapped source address, the
    destination is either also an ipv4 mapped address or
    ipv6_addr_any(). Fix from Jonathan T. Leighton.

 4) Avoid packet loss in fec driver by programming the multicast filter
    more intelligently. From Rui Sousa.

 5) Handle multiple threads invoking fanout_add(), fix from Eric
    Dumazet.

 6) Since we can invoke the TCP input path in process context, without
    BH being disabled, we have to accomodate that in the locking of the
    TCP probe. Also from Eric Dumazet.

 7) Fix erroneous emission of NETEVENT_DELAY_PROBE_TIME_UPDATE when we
    aren't even updating that sysctl value. From Marcus Huewe.

 8) Fix endian bugs in ibmvnic driver, from Thomas Falcon.

[ This is the second version of the pull that reverts the nested
  rhashtable changes that looked a bit too scary for this late in the
  release  - Linus ]

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (27 commits)
  rhashtable: Revert nested table changes.
  ibmvnic: Fix endian errors in error reporting output
  ibmvnic: Fix endian error when requesting device capabilities
  net: neigh: Fix netevent NETEVENT_DELAY_PROBE_TIME_UPDATE notification
  net: xilinx_emaclite: fix freezes due to unordered I/O
  net: xilinx_emaclite: fix receive buffer overflow
  bpf: kernel header files need to be copied into the tools directory
  tcp: tcp_probe: use spin_lock_bh()
  uapi: fix linux/if_pppol2tp.h userspace compilation errors
  packet: fix races in fanout_add()
  ibmvnic: Fix initial MTU settings
  net: ethernet: ti: cpsw: fix cpsw assignment in resume
  kcm: fix a null pointer dereference in kcm_sendmsg()
  net: fec: fix multicast filtering hardware setup
  ipv6: Handle IPv4-mapped src to in6addr_any dst.
  ipv6: Inhibit IPv4-mapped src address on the wire.
  net/mlx5e: Disable preemption when doing TC statistics upcall
  rhashtable: Add nested tables
  tipc: Fix tipc_sk_reinit race conditions
  gfs2: Use rhashtable walk interface in glock_hash_walk
  ...
2017-02-16 08:37:18 -08:00
Javier Martinez Canillas
e27ee2b16b Bluetooth: btqcomsmd: Allow driver to build if COMPILE_TEST is enabled
The driver only has runtime but no build time dependency with QCOM_SMD &&
QCOM_WCNSS_CTRL. So it can be built for testing purposes if COMPILE_TEST
option is enabled.

This is useful to have more build coverage and make sure that the driver
is not affected by changes that could cause build regressions.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2017-02-16 17:36:31 +01:00