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Major changes:
iwlwifi
* remove IWLWIFI_DEBUG_EXPERIMENTAL_UCODE kconfig option
* work for RX multiqueue continues
* dynamic queue allocation work continues
* add Luca as maintainer
* a bunch of fixes and improvements all over
brcmfmac
* add 4356 sdio support
ath6kl
* add ability to set debug uart baud rate with a module parameter
wil6210
* add debugfs file to configure firmware led functionality
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Merge tag 'wireless-drivers-next-for-davem-2016-05-13' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers patches for 4.7
Major changes:
iwlwifi
* remove IWLWIFI_DEBUG_EXPERIMENTAL_UCODE kconfig option
* work for RX multiqueue continues
* dynamic queue allocation work continues
* add Luca as maintainer
* a bunch of fixes and improvements all over
brcmfmac
* add 4356 sdio support
ath6kl
* add ability to set debug uart baud rate with a module parameter
wil6210
* add debugfs file to configure firmware led functionality
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Current implementation updates the mtu size and notify cdc_ncm
device using USB_CDC_SET_MAX_DATAGRAM_SIZE request about datagram
size change instead of changing rx_urb_size.
Whenever mtu is being changed, datagram size should also be
updated. Also updating maxmtu formula so it takes max_datagram_size with
use of cdc_ncm_max_dgram_size() and not ctx.
Signed-off-by: Robert Dobrowolski <robert.dobrowolski@linux.intel.com>
Signed-off-by: Rafal Redzimski <rafal.f.redzimski@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We used to check dev->reg_state against NETREG_REGISTERED after each
time we are woke up. But after commit 9e641bdcfa4e ("net-tun:
restructure tun_do_read for better sleep/wakeup efficiency"), it uses
skb_recv_datagram() which does not check dev->reg_state. This will
result if we delete a tun/tap device after a process is blocked in the
reading. The device will wait for the reference count which was held
by that process for ever.
Fixes this by using RCV_SHUTDOWN which will be checked during
sk_recv_datagram() before trying to wake up the process during uninit.
Fixes: 9e641bdcfa4e ("net-tun: restructure tun_do_read for better
sleep/wakeup efficiency")
Cc: Eric Dumazet <edumazet@google.com>
Cc: Xi Wang <xii@google.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alexander Duyck says:
====================
Follow-ups for GUEoIPv6 patches
This patch series is meant to be applied after:
[PATCH v7 net-next 00/16] ipv6: Enable GUEoIPv6 and more fixes for v6 tunneling
The first patch addresses an issue we already resolved in the GREv4 and is
now present in GREv6 with the introduction of FOU/GUE for IPv6 based GRE
tunnels.
The second patch goes through and enables IPv6 tunnel offloads for the Intel
NICs that already support the IPv4 based IP-in-IP tunnel offloads. I have
only done a bit of touch testing but have seen ~20 Gb/s over an i40e
interface using a v4-in-v6 tunnel, and I have verified IPv6 GRE is still
passing traffic at around the same rate. I plan to do further testing but
with these patches present it should enable a wider audience to be able to
test the new features introduced in Tom's patchset with hardware offloads.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds support for offloading IPXIP6 type packets that represent
either IPv4 or IPv6 encapsulated inside of an IPv6 outer IP header. In
addition with this change we should also be able to support FOU
encapsulated traffic with outer IPv6 headers.
Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch addresses the same issue we had for IPv4 where enabling GRE with
an inner checksum cannot be supported with FOU/GUE due to the fact that
they will jump past the GRE header at it is treated like a tunnel header.
Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sowmini Varadhan says:
====================
RDS: TCP: connection spamming fixes
We have been testing the RDS-TCP code with a connection spammer
that sends incoming SYNs to the RDS listen port well after
an rds-tcp connection has been established, and found a few
race-windows that are fixed by this patch series.
Patch 1 avoids a null pointer deref when an incoming SYN
shows up when a netns is being dismantled, or when the
rds-tcp module is being unloaded.
Patch 2 addresses the case when a SYN is received after the
connection arbitration algorithm has converged: the incoming
SYN should not needlessly quiesce the transmit path, and it
should not result in needless TCP connection resets due to
re-execution of the connection arbitration logic.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When a rogue SYN is received after the connection arbitration
algorithm has converged, the incoming SYN should not needlessly
quiesce the transmit path, and it should not result in needless
TCP connection resets due to re-execution of the connection
arbitration logic.
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There are two instances where we want to terminate RDS-TCP: when
exiting the netns or during module unload. In either case, the
termination sequence is to stop the listen socket, mark the
rtn->rds_tcp_listen_sock as null, and flush any accept workqs.
Thus any workqs that get flushed at this point will encounter a
null rds_tcp_listen_sock, and must exit gracefully to allow
the RDS-TCP termination to complete successfully.
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Abhi Das has two patches that fix a GFS2 splice issue (and an adjustment).
- Ben Marzinski has a patch which allows the proper unmount of a GFS2
file system after hitting a withdraw error.
- I have a patch to fix a problem where GFS2 would dereference an error
value, plus three cosmetic / refactoring patches.
- Daniel DeFreez has a patch to fix two glock reference count problems,
where GFS2 was not properly "uninitializing" its glock holder on error
paths.
- Denys Vlasenko has a patch to change a function to not be inlined,
thus reducing the memory footprint of the GFS2 module.
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Merge tag 'gfs2-4.7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull GFS2 updates from Bob Peterson:
"We've got nine patches this time:
- Abhi Das has two patches that fix a GFS2 splice issue (and an
adjustment).
- Ben Marzinski has a patch which allows the proper unmount of a GFS2
file system after hitting a withdraw error.
- I have a patch to fix a problem where GFS2 would dereference an
error value, plus three cosmetic / refactoring patches.
- Daniel DeFreez has a patch to fix two glock reference count
problems, where GFS2 was not properly "uninitializing" its glock
holder on error paths.
- Denys Vlasenko has a patch to change a function to not be inlined,
thus reducing the memory footprint of the GFS2 module"
* tag 'gfs2-4.7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
GFS2: Refactor gfs2_remove_from_journal
GFS2: Remove allocation parms from gfs2_rbm_find
gfs2: use inode_lock/unlock instead of accessing i_mutex directly
GFS2: Add calls to gfs2_holder_uninit in two error handlers
GFS2: Don't dereference inode in gfs2_inode_lookup until it's valid
GFS2: fs/gfs2/glock.c: Deinline do_error, save 1856 bytes
gfs2: Use gfs2 wrapper to sync inode before calling generic_file_splice_read()
GFS2: Get rid of dead code in inode_go_demote_ok
GFS2: ignore unlock failures after withdraw
->sk_shutdown bits share one bitfield with some other bits in sock struct,
such as ->sk_no_check_[r,t]x, ->sk_userlocks ...
sock_setsockopt() may write to these bits, while holding the socket lock.
In case of AF_UNIX sockets, we change ->sk_shutdown bits while holding only
unix_state_lock(). So concurrent setsockopt() and shutdown() may lead
to corrupting these bits.
Fix this by moving ->sk_shutdown bits out of bitfield into a separate byte.
This will not change the 'struct sock' size since ->sk_shutdown moved into
previously unused 16-bit hole.
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Suggested-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tom Herbert says:
====================
ipv6: Enable GUEoIPv6 and more fixes for v6 tunneling
This patch set:
- Fixes GRE6 to process translate flags correctly from configuration
- Adds support for GSO and GRO for ip6ip6 and ip4ip6
- Add support for FOU and GUE in IPv6
- Support GRE, ip6ip6 and ip4ip6 over FOU/GUE
- Fixes ip6_input to deal with UDP encapsulations
- Some other minor fixes
v2:
- Removed a check of GSO types in MPLS
- Define GSO type SKB_GSO_IPXIP6 and SKB_GSO_IPXIP4 (based on input
from Alexander)
- Don't define GSO types specifically for IP6IP6 and IP4IP6, above
fix makes that unnecessary
- Don't bother clearing encapsulation flag in UDP tunnel segment
(another item suggested by Alexander).
v3:
- Address some minor comments from Alexander
v4:
- Rebase on changes to fix IP TX tunnels
- Fix MTU issues in ip4ip6, ip6ip6
- Add test data for above
v5:
- Address feedback from Shmulik Ladkani regarding extension header
code that does not return next header but in instead relies
on returning value via nhoff. Solution here is to fix EH
processing to return nexthdr value.
- Refactored IPv4 encaps so that we won't need to create
a ip6_tunnel_core.c when adding encap support IPv6.
v6:
- Fix build issues with regard to new GSO constants
- FIx MTU calculation issues ip6_tunnel.c pointed out byt ALex
- Add encap_hlen into headroom for GREv6 to work with FOU/GUE
v7:
- Added skb_set_inner_ipproto to ip4ip6 and ip6ip6
- Clarified max_headroom in ip6_tnl_xmit
- Set features for IPv6 tunnels
- Other cleanup suggested by Alexander
- Above fixes throughput performance issues in ip4ip6 and ip6ip6,
updated test results to reflect that
Tested: Various cases of IP tunnels with netperf TCP_STREAM and TCP_RR.
- IPv4/GRE/GUE/IPv6 with RCO
1 TCP_STREAM
6616 Mbps
200 TCP_RR
1244043 tps
141/243/446 90/95/99% latencies
86.61% CPU utilization
- IPv6/GRE/GUE/IPv6 with RCO
1 TCP_STREAM
6940 Mbps
200 TCP_RR
1270903 tps
138/236/440 90/95/99% latencies
87.51% CPU utilization
- IP6IP6
1 TCP_STREAM
5307 Mbps
200 TCP_RR
498981 tps
388/498/631 90/95/99% latencies
19.75% CPU utilization (1 CPU saturated)
- IP6IP6/GUE with RCO
1 TCP_STREAM
5575 Mbps
200 TCP_RR
1233818 tps
143/244/451 90/95/99% latencies
87.57 CPU utilization
- IP4IP6
1 TCP_STREAM
5235 Mbps
200 TCP_RR
763774 tps
250/318/466 90/95/99% latencies
35.25% CPU utilization (1 CPU saturated)
- IP4IP6/GUE with RCO
1 TCP_STREAM
5337 Mbps
200 TCP_RR
1196385 tps
148/251/460 90/95/99% latencies
87.56 CPU utilization
- GRE with keyid
200 TCP_RR
744173 tps
258/332/461 90/95/99% latencies
34.59% CPU utilization (1 CPU saturated)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Since iptunnel_handle_offloads() is called in all paths we can
probably drop the block in ip6_tnl_xmit that was checking for
skb->encapsulation and resetting the inner headers.
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Need to set dev features, use same values that are used in GREv6.
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch add a new fou6 module that provides encapsulation
operations for IPv6.
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add encap_hlen and ip_tunnel_encap structure to ip6_tnl. Add functions
for getting encap hlen, setting up encap on a tunnel, performing
encapsulation operation.
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds receive path support for IPv6 with fou.
- Add address family to fou structure for open sockets. This supports
AF_INET and AF_INET6. Lookups for fou ports are performed on both the
port number and family.
- In fou and gue receive adjust tot_len in IPv4 header or payload_len
based on address family.
- Allow AF_INET6 in FOU_ATTR_AF netlink attribute.
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Create __fou_build_header and __gue_build_header. These implement the
protocol generic parts of building the fou and gue header.
fou_build_header and gue_build_header implement the IPv4 specific
functions and call the __*_build_header functions.
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use helper function to set up UDP tunnel related information for a fou
socket.
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Consolidate all the ip_tunnel_encap definitions in one spot in the
header file. Also, move ip_encap_hlen and ip_tunnel_encap from
ip_tunnel.c to ip_tunnels.h so they call be called without a dependency
on ip_tunnel module. Similarly, move iptun_encaps to ip_tunnel_core.c.
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When performing foo-over-UDP, UDP packets are processed by the
encapsulation handler which returns another protocol to process.
This may result in processing two (or more) protocols in the
loop that are marked as INET6_PROTO_FINAL. The actions taken
for hitting a final protocol, in particular the skb_postpull_rcsum
can only be performed once.
This patch set adds a check of a final protocol has been seen. The
rules are:
- If the final protocol has not been seen any protocol is processed
(final and non-final). In the case of a final protocol, the final
actions are taken (like the skb_postpull_rcsum)
- If a final protocol has been seen (e.g. an encapsulating UDP
header) then no further non-final protocols are allowed
(e.g. extension headers). For more final protocols the
final actions are not taken (e.g. skb_postpull_rcsum).
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In ip6_input_finish the nexthdr protocol is retrieved from the
next header offset that is returned in the cb of the skb.
This method does not work for UDP encapsulation that may not
even have a concept of a nexthdr field (e.g. FOU).
This patch checks for a final protocol (INET6_PROTO_FINAL) when a
protocol handler returns > 0. If the protocol is not final then
resubmission is performed on nhoff value. If the protocol is final
then the nexthdr is taken to be the return value.
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch defines two new GSO definitions SKB_GSO_IPXIP4 and
SKB_GSO_IPXIP6 along with corresponding NETIF_F_GSO_IPXIP4 and
NETIF_F_GSO_IPXIP6. These are used to described IP in IP
tunnel and what the outer protocol is. The inner protocol
can be deduced from other GSO types (e.g. SKB_GSO_TCPV4 and
SKB_GSO_TCPV6). The GSO types of SKB_GSO_IPIP and SKB_GSO_SIT
are removed (these are both instances of SKB_GSO_IPXIP4).
SKB_GSO_IPXIP6 will be used when support for GSO with IP
encapsulation over IPv6 is added.
Signed-off-by: Tom Herbert <tom@herbertland.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In several gso_segment functions there are checks of gso_type against
a seemingly arbitrary list of SKB_GSO_* flags. This seems like an
attempt to identify unsupported GSO types, but since the stack is
the one that set these GSO types in the first place this seems
unnecessary to do. If a combination isn't valid in the first
place that stack should not allow setting it.
This is a code simplication especially for add new GSO types.
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit da47b4572056 ("phy: add support for a reset-gpio specification")
causes the following xtensa qemu crash according to Guenter Roeck:
[ 9.366256] libphy: ethoc-mdio: probed
[ 9.367389] (null): could not attach to PHY
[ 9.368555] (null): failed to probe MDIO bus
[ 9.371540] Unable to handle kernel paging request at virtual address 0000001c
[ 9.371540] pc = d0320926, ra = 903209d1
[ 9.375358] Oops: sig: 11 [#1]
This reverts commit da47b4572056487fd7941c26f73b3e8815ff712a.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Rewrite of the unflattening code to avoid recursion and lessen the
stack usage.
- Rewrite of the phandle args parsing code to get rid of the fixed args
size. This is needed for IOMMU code.
- Sync to latest dtc which adds more dts style checking. These warnings
are enabled with "W=1" compiles.
- Tegra documentation updates related to the above warnings.
- A bunch of spelling and other doc fixes.
- Various vendor prefix additions.
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Merge tag 'devicetree-for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
- Rewrite of the unflattening code to avoid recursion and lessen the
stack usage.
- Rewrite of the phandle args parsing code to get rid of the fixed args
size. This is needed for IOMMU code.
- Sync to latest dtc which adds more dts style checking. These
warnings are enabled with "W=1" compiles.
- Tegra documentation updates related to the above warnings.
- A bunch of spelling and other doc fixes.
- Various vendor prefix additions.
* tag 'devicetree-for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (52 commits)
devicetree: Add Creative Technology vendor id
gpio: dt-bindings: add ibm,ppc4xx-gpio binding
of/unittest: Remove unnecessary module.h header inclusion
drivers/of: Fix build warning in populate_node()
drivers/of: Fix depth when unflattening devicetree
of: dynamic: changeset prop-update revert fix
drivers/of: Export of_detach_node()
drivers/of: Return allocated memory from of_fdt_unflatten_tree()
drivers/of: Specify parent node in of_fdt_unflatten_tree()
drivers/of: Rename unflatten_dt_node()
drivers/of: Avoid recursively calling unflatten_dt_node()
drivers/of: Split unflatten_dt_node()
of: include errno.h in of_graph.h
of: document refcount incrementation of of_get_cpu_node()
Documentation: dt: soc: fix spelling mistakes
Documentation: dt: power: fix spelling mistake
Documentation: dt: pinctrl: fix spelling mistake
Documentation: dt: opp: fix spelling mistake
Documentation: dt: net: fix spelling mistakes
Documentation: dt: mtd: fix spelling mistake
...
A domain with a frontend that does not implement a control ring has been
seen to cause a crash during domain save. This was apparently because
the call to xenvif_deinit_hash() in xenvif_disconnect_ctrl() is made
regardless of whether a control ring was connected, and hence
xenvif_hash_init() was called.
This patch brings the call to xenvif_deinit_hash() in
xenvif_disconnect_ctrl() inside the if clause that checks whether the
control ring event channel was connected. This is sufficient to ensure
it is only called if xenvif_init_hash() was called previously.
Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Reported-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Wei Liu <wei.liu2@citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Updates to the new Intel X722 iWARP driver
- Updates to the hfi1 driver
- Fixes for the iw_cxgb4 driver
- Misc core fixes
- Generic RDMA READ/WRITE API addition
- SRP updates
- Misc ipoib updates
- Minor mlx5 updates
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma updates from Doug Ledford:
"Primary 4.7 merge window changes
- Updates to the new Intel X722 iWARP driver
- Updates to the hfi1 driver
- Fixes for the iw_cxgb4 driver
- Misc core fixes
- Generic RDMA READ/WRITE API addition
- SRP updates
- Misc ipoib updates
- Minor mlx5 updates"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (148 commits)
IB/mlx5: Fire the CQ completion handler from tasklet
net/mlx5_core: Use tasklet for user-space CQ completion events
IB/core: Do not require CAP_NET_ADMIN for packet sniffing
IB/mlx4: Fix unaligned access in send_reply_to_slave
IB/mlx5: Report Scatter FCS device capability when supported
IB/mlx5: Add Scatter FCS support for Raw Packet QP
IB/core: Add Scatter FCS create flag
IB/core: Add Raw Scatter FCS device capability
IB/core: Add extended device capability flags
i40iw: pass hw_stats by reference rather than by value
i40iw: Remove unnecessary synchronize_irq() before free_irq()
i40iw: constify i40iw_vf_cqp_ops structure
IB/mlx5: Add UARs write-combining and non-cached mapping
IB/mlx5: Allow mapping the free running counter on PROT_EXEC
IB/mlx4: Use list_for_each_entry_safe
IB/SA: Use correct free function
IB/core: Fix a potential array overrun in CMA and SA agent
IB/core: Remove unnecessary check in ibnl_rcv_msg
IB/IWPM: Fix a potential skb leak
RDMA/nes: replace custom print_hex_dump()
...
* alternative reset driver for new at91 SoCs
* misc. fixes
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Merge tag 'for-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
- alternative reset driver for new at91 SoCs
- misc fixes
* tag 'for-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
sbs-battery: fix power status when battery charging near dry
power: ipaq-micro-battery: freeing the wrong variable
power/max8925: freeing wrong variable
power: reset: at91-shdwc: add new shutdown controller driver
ARM: dts: at91: shdwc binding: add new shutdown controller documentation
When CONFIG_NET_CLS_ACT is disabled, we get a new warning in the mlx5
ethernet driver because the tc_for_each_action() loop never references
the iterator:
mellanox/mlx5/core/en_tc.c: In function 'mlx5e_stats_flower':
mellanox/mlx5/core/en_tc.c:431:20: error: unused variable 'a' [-Werror=unused-variable]
struct tc_action *a;
This changes the dummy tc_for_each_action() macro by adding a
cast to void, letting the compiler know that the variable is
intentionally declared but not used here. I could not come up
with a nicer workaround, but this seems to do the trick.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: aad7e08d39bd ("net/mlx5e: Hardware offloaded flower filter statistics support")
Fixes: 00175aec941e ("net/sched: Macro instead of CONFIG_NET_CLS_ACT ifdef")
Acked-By: Amir Vadai <amir@vadai.me>
Signed-off-by: David S. Miller <davem@davemloft.net>
Start address randomization and blinding in BPF currently use
prandom_u32(). prandom_u32() values are not exposed to unpriviledged
user space to my knowledge, but given other kernel facilities such as
ASLR, stack canaries, etc make use of stronger get_random_int(), we
better make use of it here as well given blinding requests successively
new random values. get_random_int() has minimal entropy pool depletion,
is not cryptographically secure, but doesn't need to be for our use
cases here.
Suggested-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Driver incorrectly uses dma_unmap_addr_set() to set
a variable which is in truth a dma_addr_t
[i.e not defined using DEFINE_DMA_UNMAP_ADDR()] and is
being used by the driver flows other than unmapping
physical addresses. This patch fixes driver fastpath
where CONFIG_NEED_DMA_MAP_STATE is not set.
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In my last commit I replaced MACSEC_SA_ATTR_KEYID by
MACSEC_SA_ATTR_KEY.
Fixes: 8acca6acebd0 ("macsec: key identifier is 128 bits, not 64")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
* imxfb: fix lcd power up
* small fixes and cleanups
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Merge tag 'fbdev-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev updates from Tomi Valkeinen:
- imxfb: fix lcd power up
- small fixes and cleanups
* tag 'fbdev-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
fbdev: Use IS_ENABLED() instead of checking for built-in or module
efifb: Don't show the mapping VA
video: AMBA CLCD: Remove unncessary include in amba-clcd.c
fbdev: ssd1307fb: Fix charge pump setting
Documentation: fb: fix spelling mistakes
fbdev: fbmem: implement error handling in fbmem_init()
fbdev: sh_mipi_dsi: remove driver
video: fbdev: imxfb: add some error handling
video: fbdev: imxfb: fix semantic of .get_power and .set_power
video: fbdev: omap2: Remove deprecated regulator_can_change_voltage() usage
The length checks on the grant table copy_ops for setting hash key and
hash mapping are checking the local 'len' value which is correct in
the case of the former but not the latter. This was picked up by
static analysis checks.
This patch replaces checks of 'len' with 'copy_op.len' in both cases
to correct the incorrect check, keep the two checks consistent, and to
make it clear what the checks are for.
Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Wei Liu <wei.liu2@citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since e7f4dc3536a ("mdio: Move allocation of interrupts into core"),
platforms which call fixed_phy_add() before fixed_mdio_bus_init() is
called (for example, because the platform code and the fixed_phy driver
use the same initcall level) crash in fixed_phy_add() since the
->mii_bus is not allocated.
Also since e7f4dc3536a, these interrupts are initalized to polling by
default. The few (old) platforms which directly use fixed_phy_add()
from their platform code all pass PHY_POLL for the irq argument, so we
can keep these platforms not crashing by simply not attempting to set
the irq if PHY_POLL is passed.
Also, even if problems have not been reported on more modern platforms
which used fixed_phy_register() from drivers' probe functions, we return
-EPROBE_DEFER if the MDIO bus is not yet registered so that the probe is
retried later.
Fixes: e7f4dc3536a400 ("mdio: Move allocation of interrupts into core")
Signed-off-by: Rabin Vincent <rabinv@axis.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull crypto fix from Herbert Xu:
"Fix a regression that causes sha-mb to crash"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: sha1-mb - make sha1_x8_avx2() conform to C function ABI
The newly added nps irqchip driver causes build warnings on ARM64.
include/soc/nps/common.h: In function 'nps_host_reg_non_cl':
include/soc/nps/common.h:148:9: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
As the driver is only used on ARC, we don't need to see it without
COMPILE_TEST elsewhere, and we can avoid the warnings by only building
on 32-bit architectures even with CONFIG_COMPILE_TEST.
Acked-by: Marc Zyngier <narc.zyngier@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Highlights:
- Support for Power ISA 3.0 (Power9) Radix Tree MMU from Aneesh Kumar K.V
- Live patching support for ppc64le (also merged via livepatching.git)
Various cleanups & minor fixes from:
- Aaro Koskinen, Alexey Kardashevskiy, Andrew Donnellan, Aneesh Kumar K.V,
Chris Smart, Daniel Axtens, Frederic Barrat, Gavin Shan, Ian Munsie, Lennart
Sorensen, Madhavan Srinivasan, Mahesh Salgaonkar, Markus Elfring, Michael
Ellerman, Oliver O'Halloran, Paul Gortmaker, Paul Mackerras, Rashmica Gupta,
Russell Currey, Suraj Jitindar Singh, Thiago Jung Bauermann, Valentin
Rothberg, Vipin K Parashar.
General:
- Update LMB associativity index during DLPAR add/remove from Nathan Fontenot
- Fix branching to OOL handlers in relocatable kernel from Hari Bathini
- Add support for userspace Power9 copy/paste from Chris Smart
- Always use STRICT_MM_TYPECHECKS from Michael Ellerman
- Add mask of possible MMU features from Michael Ellerman
PCI:
- Enable pass through of NVLink to guests from Alexey Kardashevskiy
- Cleanups in preparation for powernv PCI hotplug from Gavin Shan
- Don't report error in eeh_pe_reset_and_recover() from Gavin Shan
- Restore initial state in eeh_pe_reset_and_recover() from Gavin Shan
- Revert "powerpc/eeh: Fix crash in eeh_add_device_early() on Cell" from Guilherme G. Piccoli
- Remove the dependency on EEH struct in DDW mechanism from Guilherme G. Piccoli
selftests:
- Test cp_abort during context switch from Chris Smart
- Add several tests for transactional memory support from Rashmica Gupta
perf:
- Add support for sampling interrupt register state from Anju T
- Add support for unwinding perf-stackdump from Chandan Kumar
cxl:
- Configure the PSL for two CAPI ports on POWER8NVL from Philippe Bergheaud
- Allow initialization on timebase sync failures from Frederic Barrat
- Increase timeout for detection of AFU mmio hang from Frederic Barrat
- Handle num_of_processes larger than can fit in the SPA from Ian Munsie
- Ensure PSL interrupt is configured for contexts with no AFU IRQs from Ian Munsie
- Add kernel API to allow a context to operate with relocate disabled from Ian Munsie
- Check periodically the coherent platform function's state from Christophe Lombard
Freescale:
- Updates from Scott: "Contains 86xx fixes, minor device tree fixes, an erratum
workaround, and a kconfig dependency fix."
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Merge tag 'powerpc-4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Highlights:
- Support for Power ISA 3.0 (Power9) Radix Tree MMU from Aneesh Kumar K.V
- Live patching support for ppc64le (also merged via livepatching.git)
Various cleanups & minor fixes from:
- Aaro Koskinen, Alexey Kardashevskiy, Andrew Donnellan, Aneesh Kumar K.V,
Chris Smart, Daniel Axtens, Frederic Barrat, Gavin Shan, Ian Munsie,
Lennart Sorensen, Madhavan Srinivasan, Mahesh Salgaonkar, Markus Elfring,
Michael Ellerman, Oliver O'Halloran, Paul Gortmaker, Paul Mackerras,
Rashmica Gupta, Russell Currey, Suraj Jitindar Singh, Thiago Jung
Bauermann, Valentin Rothberg, Vipin K Parashar.
General:
- Update LMB associativity index during DLPAR add/remove from Nathan
Fontenot
- Fix branching to OOL handlers in relocatable kernel from Hari Bathini
- Add support for userspace Power9 copy/paste from Chris Smart
- Always use STRICT_MM_TYPECHECKS from Michael Ellerman
- Add mask of possible MMU features from Michael Ellerman
PCI:
- Enable pass through of NVLink to guests from Alexey Kardashevskiy
- Cleanups in preparation for powernv PCI hotplug from Gavin Shan
- Don't report error in eeh_pe_reset_and_recover() from Gavin Shan
- Restore initial state in eeh_pe_reset_and_recover() from Gavin Shan
- Revert "powerpc/eeh: Fix crash in eeh_add_device_early() on Cell"
from Guilherme G Piccoli
- Remove the dependency on EEH struct in DDW mechanism from Guilherme
G Piccoli
selftests:
- Test cp_abort during context switch from Chris Smart
- Add several tests for transactional memory support from Rashmica
Gupta
perf:
- Add support for sampling interrupt register state from Anju T
- Add support for unwinding perf-stackdump from Chandan Kumar
cxl:
- Configure the PSL for two CAPI ports on POWER8NVL from Philippe
Bergheaud
- Allow initialization on timebase sync failures from Frederic Barrat
- Increase timeout for detection of AFU mmio hang from Frederic
Barrat
- Handle num_of_processes larger than can fit in the SPA from Ian
Munsie
- Ensure PSL interrupt is configured for contexts with no AFU IRQs
from Ian Munsie
- Add kernel API to allow a context to operate with relocate disabled
from Ian Munsie
- Check periodically the coherent platform function's state from
Christophe Lombard
Freescale:
- Updates from Scott: "Contains 86xx fixes, minor device tree fixes,
an erratum workaround, and a kconfig dependency fix."
* tag 'powerpc-4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (192 commits)
powerpc/86xx: Fix PCI interrupt map definition
powerpc/86xx: Move pci1 definition to the include file
powerpc/fsl: Fix build of the dtb embedded kernel images
powerpc/fsl: Fix rcpm compatible string
powerpc/fsl: Remove FSL_SOC dependency from FSL_LBC
powerpc/fsl-pci: Add a workaround for PCI 5 errata
powerpc/fsl: Fix SPI compatible on t208xrdb and t1040rdb
powerpc/powernv/npu: Add PE to PHB's list
powerpc/powernv: Fix insufficient memory allocation
powerpc/iommu: Remove the dependency on EEH struct in DDW mechanism
Revert "powerpc/eeh: Fix crash in eeh_add_device_early() on Cell"
powerpc/eeh: Drop unnecessary label in eeh_pe_change_owner()
powerpc/eeh: Ignore handlers in eeh_pe_reset_and_recover()
powerpc/eeh: Restore initial state in eeh_pe_reset_and_recover()
powerpc/eeh: Don't report error in eeh_pe_reset_and_recover()
Revert "powerpc/powernv: Exclude root bus in pnv_pci_reset_secondary_bus()"
powerpc/powernv/npu: Enable NVLink pass through
powerpc/powernv/npu: Rework TCE Kill handling
powerpc/powernv/npu: Add set/unset window helpers
powerpc/powernv/ioda2: Export debug helper pe_level_printk()
...
Pull ARM updates from Russell King:
"Changes included in this pull request:
- revert pxa2xx-flash back to using ioremap_cached() and switch
memremap() to use arch_memremap_wb()
- remove pci=firmware command line argument handling
- remove unnecessary arm_dma_set_mask() implementation, the generic
implementation will do for ARM
- removal of the ARM kallsyms "hack" to work around mode switching
veneers and vectors located below PAGE_OFFSET
- tidy up build system output a little
- add L2 cache power management DT bindings
- remove duplicated local_irq_disable() in reboot paths
- handle AMBA primecell devices better at registration time with PM
domains (needed for Samsung SoCs)
- ARM specific preparation to support Keystone II kexec"
* 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8567/1: cache-uniphier: activate ways for secondary CPUs
ARM: 8570/2: Documentation: devicetree: Add PL310 PM bindings
ARM: 8569/1: pl2x0: Add OF control of cache power management
ARM: 8568/1: reboot: remove duplicated local_irq_disable()
ARM: 8566/1: drivers: amba: properly handle devices with power domains
ARM: provide arm_has_idmap_alias() helper
ARM: kexec: remove 512MB restriction on kexec crashdump
ARM: provide improved virt_to_idmap() functionality
ARM: kexec: fix crashkernel= handling
ARM: 8557/1: specify install, zinstall, and uinstall as PHONY targets
ARM: 8562/1: suppress "include/generated/mach-types.h is up to date."
ARM: 8553/1: kallsyms: remove --page-offset command line option
ARM: 8552/1: kallsyms: remove special lower address limit for CONFIG_ARM
ARM: 8555/1: kallsyms: ignore ARM mode switching veneers
ARM: 8548/1: dma-mapping: remove arm_dma_set_mask()
ARM: 8554/1: kernel: pci: remove pci=firmware command line parameter handling
ARM: memremap: implement arch_memremap_wb()
memremap: add arch specific hook for MEMREMAP_WB mappings
mtd: pxa2xx-flash: switch back from memremap to ioremap_cached
ARM: reintroduce ioremap_cached() for creating cached I/O mappings
stmp3xxx_wdt_register() can fail as platform_device_alloc() or
platform_device_add() can fail. But when it fails it failed silently.
Lets print out an error message on failure so that user will atlest
know that there was some error.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
