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There's no need for the station MLME code to handle bitrates for 5
or 10 MHz channels when it can't ever create such a configuration.
Remove the unnecessary code.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If the driver reports the rx timestamp at PLCP start, mac80211 can
only handle legacy encoding, but the code checks that the encoding
is not legacy. Fix this.
Fixes: da6a4352e7c8 ("mac80211: separate encoding/bandwidth from flags")
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When a peer sends a BAR frame with PM bit clear, we should
not modify its PM state as madated by the spec in
802.11-20012 10.2.1.2.
Cc: stable@vger.kernel.org
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
- don't use linux IRQ #0 in legacy irq domains: fixes timer interrupt
assignment when it's hardware IRQ # is 0 and the kernel is built w/o
device tree support;
- reduce reservation size for double exception vector literals from 48
to 20 bytes: fixes build on cores with small user exception vector;
- cleanups: use kmalloc_array instead of kmalloc in simdisk_init and
seq_puts instead of seq_printf in c_show.
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Merge tag 'xtensa-20170612' of git://github.com/jcmvbkbc/linux-xtensa
Pull Xtensa fixes from Max Filippov:
- don't use linux IRQ #0 in legacy irq domains: fixes timer interrupt
assignment when it's hardware IRQ # is 0 and the kernel is built w/o
device tree support
- reduce reservation size for double exception vector literals from 48
to 20 bytes: fixes build on cores with small user exception vector
- cleanups: use kmalloc_array instead of kmalloc in simdisk_init and
seq_puts instead of seq_printf in c_show.
* tag 'xtensa-20170612' of git://github.com/jcmvbkbc/linux-xtensa:
xtensa: don't use linux IRQ #0
xtensa: reduce double exception literal reservation
xtensa: ISS: Use kmalloc_array() in simdisk_init()
xtensa: Use seq_puts() in c_show()
Pull s390 fixes from Martin Schwidefsky:
- A fix for KVM to avoid kernel oopses in case of host protection
faults due to runtime instrumentation
- A fix for the AP bus to avoid dead devices after unbind / bind
- A fix for a compile warning merged from the vfio_ccw tree
- Updated default configurations
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: update defconfig
s390/zcrypt: Fix blocking queue device after unbind/bind.
s390/vfio_ccw: make some symbols static
s390/kvm: do not rely on the ILC on kvm host protection fauls
A recent commit to refactor the driver and remove the hw_disabled_flags
field accidentally introduced two regressions. First, we overwrote
pf->flags which removed various key flags including the MSI-X settings.
Additionally, it was intended that we have now two flags,
HW_ATR_EVICT_CAPABLE and HW_ATR_EVICT_ENABLED, but this was not done,
and we accidentally were mis-using HW_ATR_EVICT_CAPABLE everywhere.
This patch adds the missing piece, HW_ATR_EVICT_ENABLED, and safely
updates pf->flags instead of overwriting it.
Without this patch we will have many problems including disabling MSI-X
support, and we'll attempt to use HW ATR eviction on devices which do
not support it.
Fixes: 47994c119a36 ("i40e: remove hw_disabled_flags in favor of using separate flag bits", 2017-04-19)
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When HSR interface is setup using ip link command, an annoying warning
appears with the trace as below:-
[ 203.019828] hsr_get_node: Non-HSR frame
[ 203.019833] Modules linked in:
[ 203.019848] CPU: 0 PID: 158 Comm: sd-resolve Tainted: G W 4.12.0-rc3-00052-g9fa6bf70 #2
[ 203.019853] Hardware name: Generic DRA74X (Flattened Device Tree)
[ 203.019869] [<c0110280>] (unwind_backtrace) from [<c010c2f4>] (show_stack+0x10/0x14)
[ 203.019880] [<c010c2f4>] (show_stack) from [<c04b9f64>] (dump_stack+0xac/0xe0)
[ 203.019894] [<c04b9f64>] (dump_stack) from [<c01374e8>] (__warn+0xd8/0x104)
[ 203.019907] [<c01374e8>] (__warn) from [<c0137548>] (warn_slowpath_fmt+0x34/0x44)
root@am57xx-evm:~# [ 203.019921] [<c0137548>] (warn_slowpath_fmt) from [<c081126c>] (hsr_get_node+0x148/0x170)
[ 203.019932] [<c081126c>] (hsr_get_node) from [<c0814240>] (hsr_forward_skb+0x110/0x7c0)
[ 203.019942] [<c0814240>] (hsr_forward_skb) from [<c0811d64>] (hsr_dev_xmit+0x2c/0x34)
[ 203.019954] [<c0811d64>] (hsr_dev_xmit) from [<c06c0828>] (dev_hard_start_xmit+0xc4/0x3bc)
[ 203.019963] [<c06c0828>] (dev_hard_start_xmit) from [<c06c13d8>] (__dev_queue_xmit+0x7c4/0x98c)
[ 203.019974] [<c06c13d8>] (__dev_queue_xmit) from [<c0782f54>] (ip6_finish_output2+0x330/0xc1c)
[ 203.019983] [<c0782f54>] (ip6_finish_output2) from [<c0788f0c>] (ip6_output+0x58/0x454)
[ 203.019994] [<c0788f0c>] (ip6_output) from [<c07b16cc>] (mld_sendpack+0x420/0x744)
As this is an expected path to hsr_get_node() with frame coming from
the master interface, add a check to ensure packet is not from the
master port and then warn.
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Give back all modes advertised by the link partner. This change brings
the marvell phy driver in line with all other phy drivers.
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes vxlan_snoop to not move permanent fdb entries
on learn events. This is consistent with the bridge fdb
handling of permanent entries.
Fixes: 26a41ae60438 ("vxlan: only migrate dynamic FDB entries")
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The first pull request for 4.13. We have a new driver qtnfmac, but
also rsi driver got a support for new firmware and supporting ath10k
SDIO devices was started.
Major changes:
ath10k
* add initial SDIO support (still work in progress)
rsi
* new loading for the new firmware version
rtlwifi
* final patches for the new btcoex support
rt2x00
* add device ID for Epson WN7512BEP
qtnfmac
* new driver for Quantenna QSR10G chipsets
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Merge tag 'wireless-drivers-next-for-davem-2017-06-12' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for 4.13
The first pull request for 4.13. We have a new driver qtnfmac, but
also rsi driver got a support for new firmware and supporting ath10k
SDIO devices was started.
Major changes:
ath10k
* add initial SDIO support (still work in progress)
rsi
* new loading for the new firmware version
rtlwifi
* final patches for the new btcoex support
rt2x00
* add device ID for Epson WN7512BEP
qtnfmac
* new driver for Quantenna QSR10G chipsets
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Paolo Abeni says:
====================
udp: reduce cache pressure
In the most common use case, many skb fields are not used by recvmsg(), and
the few ones actually accessed lays on cold cachelines, which leads to several
cache miss per packet.
This patch series attempts to reduce such misses with different strategies:
* caching the interesting fields in the scratched space
* avoid accessing at all uninteresting fields
* prefetching
Tested using the udp_sink program by Jesper[1] as the receiver, an h/w l4 rx
hash on the ingress nic, so that the number of ingress nic rx queues hit by the
udp traffic could be controlled via ethtool -L.
The udp_sink program was bound to the first idle cpu, to get more
stable numbers.
On a single numa node receiver:
nic rx queues vanilla patched kernel delta
1 1850 kpps 1850 kpps 0%
2 2370 kpps 2700 kpps 13.9%
16 2000 kpps 2220 kpps 11%
[1] https://github.com/netoptimizer/network-testing/blob/master/src/udp_sink.c
v1 -> v2:
- replaced secpath_reset() with skb_release_head_state()
- changed udp_dev_scratch fields types to u{32,16} variant,
replaced bitfield with bool
v2 -> v3:
- no changes, tested against apachebench for performances regression
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
when udp_recvmsg() is executed, on x86_64 and other archs, most skb
fields are on cold cachelines.
If the skb are linear and the kernel don't need to compute the udp
csum, only a handful of skb fields are required by udp_recvmsg().
Since we already use skb->dev_scratch to cache hot data, and
there are 32 bits unused on 64 bit archs, use such field to cache
as much data as we can, and try to prefetch on dequeue the relevant
fields that are left out.
This can save up to 2 cache miss per packet.
v1 -> v2:
- changed udp_dev_scratch fields types to u{32,16} variant,
replaced bitfiled with bool
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since UDP no more uses sk->destructor, we can clear completely
the skb head state before enqueuing. Amend and use
skb_release_head_state() for that.
All head states share a single cacheline, which is not
normally used/accesses on dequeue. We can avoid entirely accessing
such cacheline implementing and using in the UDP code a specialized
skb free helper which ignores the skb head state.
This saves a cacheline miss at skb deallocation time.
v1 -> v2:
replaced secpath_reset() with skb_release_head_state()
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The same code is replicated in 3 different places; move it to a
common helper.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The hardware supports the MTU to be changed and the driver it self is
somewhat prepared to support this. This patch hooks up the callbacks to
be able to change the MTU from user-space.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Reading /proc/net/snmp6 yields bogus values on 32 bit kernels.
Use "u64" instead of "unsigned long" in sizeof().
Fixes: 4a4857b1c81e ("proc: Reduce cache miss in snmp6_seq_show")
Signed-off-by: Christian Perle <christian.perle@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull devfreq fixes from MyungJoo Ham.
* 'for-next' of https://git.kernel.org/pub/scm/linux/kernel/git/mzx/devfreq:
PM / devfreq: exynos-ppmu: Staticize event list
PM / devfreq: exynos-ppmu: Handle return value of clk_prepare_enable
PM / devfreq: exynos-nocp: Handle return value of clk_prepare_enable
'of_node_put()' should be called on pointer returned by
'of_parse_phandle()' when done. In this function this is done in all path
except this 'continue', so add it.
Fixes: 97735da074fd (drivers: cpuidle: Add status property to ARM idle states)
Signed-off-by: Christophe Jaillet <christophe.jaillet@wanadoo.fr>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Commit 27ed3cd2ebf4 (cpufreq: conservative: Fix the logic in frequency
decrease checking) removed the 10 point substraction when comparing the
load against down_threshold but did not remove the related limit for the
down_threshold value. As a result, down_threshold lower than 11 is not
allowed even though values from 1 to 10 do work correctly too. The
comment ("cannot be lower than 11 otherwise freq will not fall") also
does not apply after removing the substraction.
For this reason, allow down_threshold to take any value from 1 to 99
and fix the related comment.
Fixes: 27ed3cd2ebf4 (cpufreq: conservative: Fix the logic in frequency decrease checking)
Signed-off-by: Tomasz Wilczyński <twilczynski@naver.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: 3.10+ <stable@vger.kernel.org> # 3.10+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Revert commit 39b64aa1c007 (cpufreq: schedutil: Reduce frequencies
slower) that introduced unintentional changes in behavior leading
to adverse effects on some systems.
Reported-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Considering this case:
1. A program opens a sysfs table file 65535 times, it can increase
validation_count and first increment cause the table to be mapped:
validation_count = 65535
2. AML execution causes "Load" to be executed on the same
table, this time it cannot increase validation_count, so
validation_count remains:
validation_count = 65535
3. The program closes sysfs table file 65535 times, it can decrease
validation_count and the last decrement cause the table to be
unmapped:
validation_count = 0
4. AML code still accessing the loaded table, kernel crash can be
observed.
To prevent that from happening, add a validation_count threashold.
When it is reached, the validation_count can no longer be
incremented/decremented to invalidate the table descriptor (means
preventing table unmappings)
Note that code added in acpi_tb_put_table() is actually a no-op but
changes the warning message into a "warn once" one. Lv Zheng.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
[ rjw: Changelog, comments ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The ppmu_events array is accessed only in this compilation unit so it
can be made static.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
clk_prepare_enable() can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
clk_prepare_enable() can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Pull key subsystem fixes from James Morris:
"Here are a bunch of fixes for Linux keyrings, including:
- Fix up the refcount handling now that key structs use the
refcount_t type and the refcount_t ops don't allow a 0->1
transition.
- Fix a potential NULL deref after error in x509_cert_parse().
- Don't put data for the crypto algorithms to use on the stack.
- Fix the handling of a null payload being passed to add_key().
- Fix incorrect cleanup an uninitialised key_preparsed_payload in
key_update().
- Explicit sanitisation of potentially secure data before freeing.
- Fixes for the Diffie-Helman code"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (23 commits)
KEYS: fix refcount_inc() on zero
KEYS: Convert KEYCTL_DH_COMPUTE to use the crypto KPP API
crypto : asymmetric_keys : verify_pefile:zero memory content before freeing
KEYS: DH: add __user annotations to keyctl_kdf_params
KEYS: DH: ensure the KDF counter is properly aligned
KEYS: DH: don't feed uninitialized "otherinfo" into KDF
KEYS: DH: forbid using digest_null as the KDF hash
KEYS: sanitize key structs before freeing
KEYS: trusted: sanitize all key material
KEYS: encrypted: sanitize all key material
KEYS: user_defined: sanitize key payloads
KEYS: sanitize add_key() and keyctl() key payloads
KEYS: fix freeing uninitialized memory in key_update()
KEYS: fix dereferencing NULL payload with nonzero length
KEYS: encrypted: use constant-time HMAC comparison
KEYS: encrypted: fix race causing incorrect HMAC calculations
KEYS: encrypted: fix buffer overread in valid_master_desc()
KEYS: encrypted: avoid encrypting/decrypting stack buffers
KEYS: put keyring if install_session_keyring_to_cred() fails
KEYS: Delete an error message for a failed memory allocation in get_derived_key()
...
Commit abb2ea7dfd82 ("compiler, clang: suppress warning for unused
static inline functions") just caused more warnings due to re-defining
the 'inline' macro.
So undef it before re-defining it, and also add the 'notrace' attribute
like the gcc version that this is overriding does.
Maybe this makes clang happier.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Make use of recently implemented stack_depth tracking for arm64 JIT,
so that stack usage can be reduced heavily for programs not using
tail calls at least.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes two issues:
1) When forwarding on *,G mroutes that are in a vrf, the
kernel was dropping information about the actual incoming
interface when calling ip_mr_forward from ip_mr_input.
This caused ip_mr_forward to send the multicast packet
back out the incoming interface. Fix this by
modifying ip_mr_forward to be handed the correctly
resolved dev.
2) When a unresolved cache entry is created we store
the incoming skb on the unresolved cache entry and
upon mroute resolution from the user space daemon,
we attempt to forward the packet. Again we were
not resolving to the correct incoming device for
a vrf scenario, before calling ip_mr_forward.
Fix this by resolving to the correct interface
and calling ip_mr_forward with the result.
Fixes: e58e41596811 ("net: Enable support for VRF with ipv4 multicast")
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Acked-by: David Ahern <dsahern@gmail.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Reviewed-by: Yotam Gigi <yotamg@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This series provides updates to mlx5 header rewrite feature, from Or Gerlitz.
and three more small updates From maor and eran.
-------
Or says:
Packets belonging to flows which are different by matching may still need
to go through the same header re-writes (e.g set the current routing hop
MACs and issue TTL decrement). To minimize the number of modify header
IDs, we add a cache for header re-write IDs which is keyed by the binary
chain of modify header actions.
The caching is supported for both eswitch and NIC use-cases, where the
actual conversion of the code to use caching comes in separate patches,
one per use-case.
Using a per field mask field, the TC pedit action supports modifying
partial fields. The last patch enables offloading that.
-------
From Maor, update flow table commands layout to the latest HW spec.
From Eran, ethtool connector type reporting updates.
Thanks,
Saeed.
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Merge tag 'mlx5-updates-2017-06-11' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2017-06-11
This series provides updates to mlx5 header rewrite feature, from Or Gerlitz.
and three more small updates From maor and eran.
-------
Or says:
Packets belonging to flows which are different by matching may still need
to go through the same header re-writes (e.g set the current routing hop
MACs and issue TTL decrement). To minimize the number of modify header
IDs, we add a cache for header re-write IDs which is keyed by the binary
chain of modify header actions.
The caching is supported for both eswitch and NIC use-cases, where the
actual conversion of the code to use caching comes in separate patches,
one per use-case.
Using a per field mask field, the TC pedit action supports modifying
partial fields. The last patch enables offloading that.
-------
From Maor, update flow table commands layout to the latest HW spec.
From Eran, ethtool connector type reporting updates.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'mlx5-fixes-2017-06-11' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
Mellanox mlx5 fixes 2017-06-11
This series contains some fixes for the mlx5 core and netdev driver.
Please pull and let me know if there's any problem.
For -stable:
("net/mlx5e: Added BW check for DIM decision mechanism") kernels >= 4.9
("net/mlx5e: Fix wrong indications in DIM due to counter wraparound") kernels >= 4.9
("net/mlx5: Remove several module events out of ethtool stats") kernels >= 4.10
("net/mlx5: Enable 4K UAR only when page size is bigger than 4K") kernels >= 4.11
*all patches apply with no issue on their -stable.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Netanel Belgazal says:
====================
Bugs fixes in ena ethernet driver
This patchset contains fixes for the bugs that were discovered so far.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
check_for_missing_tx_completions() is called from a timer
task and looking for lost tx packets.
The old implementation accumulate all the lost tx packets
and did not check if those packets were retrieved on a later stage.
This cause to a situation where the driver reset
the device for no reason.
Fixes: 1738cd3ed342 ("Add a driver for Amazon Elastic Network Adapters (ENA)")
Signed-off-by: Netanel Belgazal <netanel@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fixes: 1738cd3ed342 ("Add a driver for Amazon Elastic Network Adapters (ENA)")
Signed-off-by: Netanel Belgazal <netanel@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For the rare case where the device runs out of free rx buffer
descriptors (in case of pressure on kernel memory),
and the napi handler continuously fail to refill new Rx descriptors
until device rx queue totally runs out of all free rx buffers
to post incoming packet, leading to a deadlock:
* The device won't send interrupts since all the new
Rx packets will be dropped.
* The napi handler won't try to allocate new Rx descriptors
since allocation is part of NAPI that's not being invoked any more
The fix involves detecting this scenario and rescheduling NAPI
(to refill buffers) by the keepalive/watchdog task.
Fixes: 1738cd3ed342 ("Add a driver for Amazon Elastic Network Adapters (ENA)")
Signed-off-by: Netanel Belgazal <netanel@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch also change the mapping functions to devm_ functions
Fixes: 1738cd3ed342 ("Add a driver for Amazon Elastic Network Adapters (ENA)")
Signed-off-by: Netanel Belgazal <netanel@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Bug:
"Completion context is occupied" error printout will be noticed in
dmesg.
This error will cause the admin command to fail, which will lead to
an ena_probe() failure or a watchdog reset (depends on which admin
command failed).
Root cause:
__ena_com_submit_admin_cmd() is the function that submits new entries to
the admin queue.
The function have a check that makes sure the queue is not full and the
function does not override any outstanding command.
It uses head and tail indexes for this check.
The head is increased by ena_com_handle_admin_completion() which runs
from interrupt context, and the tail index is increased by the submit
function (the function is running under ->q_lock, so there is no risk
of multithread increment).
Each command is associated with a completion context. This context
allocated before call to __ena_com_submit_admin_cmd() and freed by
ena_com_wait_and_process_admin_cq_interrupts(), right after the command
was completed.
This can lead to a state where the head was increased, the check passed,
but the completion context is still in use.
Solution:
Use the atomic variable ->outstanding_cmds instead of using the head and
the tail indexes.
This variable is safe for use since it is bumped in get_comp_ctx() in
__ena_com_submit_admin_cmd() and is freed by comp_ctxt_release()
Fixes: 1738cd3ed342 ("Add a driver for Amazon Elastic Network Adapters (ENA)")
Signed-off-by: Netanel Belgazal <netanel@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fixes: 1738cd3ed342 ("Add a driver for Amazon Elastic Network Adapters (ENA)")
Signed-off-by: Netanel Belgazal <netanel@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fixing a bug that the driver does not unmask the IO interrupts
in ndo_open():
occasionally, the MSI-X interrupt (for one or more IO queues)
can be masked when ndo_close() was called.
If that is followed by ndo open(),
then the MSI-X will be still masked so no interrupt
will be received by the driver.
Fixes: 1738cd3ed342 ("Add a driver for Amazon Elastic Network Adapters (ENA)")
Signed-off-by: Netanel Belgazal <netanel@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The current flow to detect admin completion is:
while (command_not_completed) {
if (timeout)
error
check_for_completion()
sleep()
}
So in case the sleep took more than the timeout
(in case the thread/workqueue was not scheduled due to higher priority
task or prolonged VMexit), the driver can detect a stall even if
the completion is present.
The fix changes the order of this function to first check for
completion and only after that check if the timeout expired.
Fixes: 1738cd3ed342 ("Add a driver for Amazon Elastic Network Adapters (ENA)")
Signed-off-by: Netanel Belgazal <netanel@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus, and make sure we refresh per-CPU entropy returned get_random_*
as soon as the CRNG is initialized.
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Merge tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random
Pull randomness fixes from Ted Ts'o:
"Improve performance by using a lockless update mechanism suggested by
Linus, and make sure we refresh per-CPU entropy returned get_random_*
as soon as the CRNG is initialized"
* tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
random: invalidate batched entropy after crng init
random: use lockless method of accessing and updating f->reg_idx
failures.
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"Fix various bug fixes in ext4 caused by races and memory allocation
failures"
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix fdatasync(2) after extent manipulation operations
ext4: fix data corruption for mmap writes
ext4: fix data corruption with EXT4_GET_BLOCKS_ZERO
ext4: fix quota charging for shared xattr blocks
ext4: remove redundant check for encrypted file on dio write path
ext4: remove unused d_name argument from ext4_search_dir() et al.
ext4: fix off-by-one error when writing back pages before dio read
ext4: fix off-by-one on max nr_pages in ext4_find_unwritten_pgoff()
ext4: keep existing extra fields when inode expands
ext4: handle the rest of ext4_mb_load_buddy() ENOMEM errors
ext4: fix off-by-in in loop termination in ext4_find_unwritten_pgoff()
ext4: fix SEEK_HOLE
jbd2: preserve original nofs flag during journal restart
ext4: clear lockdep subtype for quota files on quota off
- Fix debounce logic on the Aspeed platform.
- Fix the "virtual gpio" things on the Intel Crystal Cove.
- Fix the blink counter selection on the MVEBU platform.
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Merge tag 'gpio-v4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"A few overdue GPIO patches for the v4.12 kernel.
- Fix debounce logic on the Aspeed platform.
- Fix the "virtual gpio" things on the Intel Crystal Cove.
- Fix the blink counter selection on the MVEBU platform"
* tag 'gpio-v4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: mvebu: fix gpio bank registration when pwm is used
gpio: mvebu: fix blink counter register selection
MAINTAINERS: remove self from GPIO maintainers
gpio: crystalcove: Do not write regular gpio registers for virtual GPIOs
gpio: aspeed: Don't attempt to debounce if disabled
Here are some small driver fixes for 4.12-rc5. Nothing major here, just
some small bugfixes found by people testing, and a MAINTAINERS file
update for the genwqe driver.
All have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small driver fixes for 4.12-rc5. Nothing major here,
just some small bugfixes found by people testing, and a MAINTAINERS
file update for the genwqe driver.
All have been in linux-next with no reported issues"
[ The cxl driver fix came in through the powerpc tree earlier ]
* tag 'char-misc-4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
cxl: Avoid double free_irq() for psl,slice interrupts
mei: make sysfs modalias format similar as uevent modalias
drivers: char: mem: Fix wraparound check to allow mappings up to the end
MAINTAINERS: Change maintainer of genwqe driver
goldfish_pipe: use GFP_ATOMIC under spin lock
firmware: vpd: do not leak kobjects
firmware: vpd: avoid potential use-after-free when destroying section
firmware: vpd: do not leave freed section attributes to the list
These are mostly all IIO driver fixes, resolving a number of tiny
issues. There's also a ccree and lustre fix in here as well, both
fix problems found in those codebases.
All have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO fixes from Greg KH:
"These are mostly all IIO driver fixes, resolving a number of tiny
issues. There's also a ccree and lustre fix in here as well, both fix
problems found in those codebases.
All have been in linux-next with no reported issues"
* tag 'staging-4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: ccree: fix buffer copy
staging/lustre/lov: remove set_fs() call from lov_getstripe()
staging: ccree: add CRYPTO dependency
iio: adc: sun4i-gpadc-iio: fix parent device being used in devm function
iio: light: ltr501 Fix interchanged als/ps register field
iio: adc: bcm_iproc_adc: swap primary and secondary isr handler's
iio: trigger: fix NULL pointer dereference in iio_trigger_write_current()
iio: adc: max9611: Fix attribute measure unit
iio: adc: ti_am335x_adc: allocating too much in probe
iio: adc: sun4i-gpadc-iio: Fix module autoload when OF devices are registered
iio: adc: sun4i-gpadc-iio: Fix module autoload when PLATFORM devices are registered
iio: proximity: as3935: fix iio_trigger_poll issue
iio: proximity: as3935: fix AS3935_INT mask
iio: adc: Max9611: checking for ERR_PTR instead of NULL in probe
iio: proximity: as3935: recalibrate RCO after resume
Here are some small USB fixes for 4.12-rc5
They are for some reported issues in the chipidea and gadget drivers.
Nothing major. All have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for 4.12-rc5
They are for some reported issues in the chipidea and gadget drivers.
Nothing major. All have been in linux-next for a while with no
reported issues"
* tag 'usb-4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: gadget: udc: renesas_usb3: Fix PN_INT_ENA disabling timing
usb: gadget: udc: renesas_usb3: lock for PN_ registers access
usb: gadget: udc: renesas_usb3: fix deadlock by spinlock
usb: gadget: udc: renesas_usb3: fix pm_runtime functions calling
usb: gadget: f_mass_storage: Serialize wake and sleep execution
usb: dwc2: add support for the DWC2 controller on Meson8 SoCs
phy: qualcomm: phy-qcom-qmp: fix application of sizeof to pointer
usb: musb: dsps: keep VBUS on for host-only mode
usb: chipidea: core: check before accessing ci_role in ci_role_show
usb: chipidea: debug: check before accessing ci_role
phy: qcom-qmp: fix return value check in qcom_qmp_phy_create()
usb: chipidea: udc: fix NULL pointer dereference if udc_start failed
usb: chipidea: imx: Do not access CLKONOFF on i.MX51
This is a set of user visible fixes (excepting one format string
change). Four of the qla2xxx fixes only affect the firmware dump
path, but it's still important to the enterprise. The rest are
various NULL pointer crash conditions or outright driver hangs.
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is a set of user visible fixes (excepting one format string
change).
Four of the qla2xxx fixes only affect the firmware dump path, but it's
still important to the enterprise. The rest are various NULL pointer
crash conditions or outright driver hangs"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: cxgb4i: libcxgbi: in error case RST tcp conn
scsi: scsi_debug: Avoid PI being disabled when TPGS is enabled
scsi: qla2xxx: Fix extraneous ref on sp's after adapter break
scsi: lpfc: prevent potential null pointer dereference
scsi: lpfc: Avoid NULL pointer dereference in lpfc_els_abort()
scsi: lpfc: nvmet_fc: fix format string
scsi: qla2xxx: Fix crash due to NULL pointer dereference of ctx
scsi: qla2xxx: Fix mailbox pointer error in fwdump capture
scsi: qla2xxx: Set bit 15 for DIAG_ECHO_TEST MBC
scsi: qla2xxx: Modify T262 FW dump template to specify same start/end to debug customer issues
scsi: qla2xxx: Fix crash due to mismatch mumber of Q-pair creation for Multi queue
scsi: qla2xxx: Fix NULL pointer access due to redundant fc_host_port_name call
scsi: qla2xxx: Fix recursive loop during target mode configuration for ISP25XX leaving system unresponsive
scsi: bnx2fc: fix race condition in bnx2fc_get_host_stats()
scsi: qla2xxx: don't disable a not previously enabled PCI device
