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961917 commits

Author SHA1 Message Date
Maxim Kochetkov
a15a6afb3b net: dsa: seville: the packet buffer is 2 megabits, not megabytes
The VSC9953 Seville switch has 2 megabits of buffer split into 4360
words of 60 bytes each. 2048 * 1024 is 2 megabytes instead of 2 megabits.
2 megabits is (2048 / 8) * 1024 = 256 * 1024.

Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Fixes: a63ed92d21 ("net: dsa: seville: fix buffer size of the queue system")
Link: https://lore.kernel.org/r/20201019050625.21533-1-fido_max@inbox.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-19 18:03:42 -07:00
Po-Hsu Lin
26ebd6fed9 selftests: rtnetlink: load fou module for kci_test_encap_fou() test
The kci_test_encap_fou() test from kci_test_encap() in rtnetlink.sh
needs the fou module to work. Otherwise it will fail with:

  $ ip netns exec "$testns" ip fou add port 7777 ipproto 47
  RTNETLINK answers: No such file or directory
  Error talking to the kernel

Add the CONFIG_NET_FOU into the config file as well. Which needs at
least to be set as a loadable module.

Fixes: 6227efc1a2 ("selftests: rtnetlink.sh: add vxlan and fou test cases")
Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Link: https://lore.kernel.org/r/20201019030928.9859-1-po-hsu.lin@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-19 17:55:29 -07:00
Christian Eggers
bc7e343dbd net: dsa: tag_ksz: KSZ8795 and KSZ9477 also use tail tags
The Marvell 88E6060 uses tag_trailer.c and the KSZ8795, KSZ9477 and
KSZ9893 switches also use tail tags.

Fixes: 7a6ffe764b ("net: dsa: point out the tail taggers")
Signed-off-by: Christian Eggers <ceggers@arri.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20201016171603.10587-1-ceggers@arri.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-19 17:32:50 -07:00
Valentin Vidic
3bd57b9055 net: korina: cast KSEG0 address to pointer in kfree
Fixes gcc warning:

passing argument 1 of 'kfree' makes pointer from integer without a cast

Fixes: 3af5f0f5c7 ("net: korina: fix kfree of rx/tx descriptor array")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Valentin Vidic <vvidic@valentin-vidic.from.hr>
Link: https://lore.kernel.org/r/20201018184255.28989-1-vvidic@valentin-vidic.from.hr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-19 17:00:00 -07:00
Heiner Kallweit
424a646e07 r8169: fix operation under forced interrupt threading
For several network drivers it was reported that using
__napi_schedule_irqoff() is unsafe with forced threading. One way to
fix this is switching back to __napi_schedule, but then we lose the
benefit of the irqoff version in general. As stated by Eric it doesn't
make sense to make the minimal hard irq handlers in drivers using NAPI
a thread. Therefore ensure that the hard irq handler is never
thread-ified.

Fixes: 9a899a35b0 ("r8169: switch to napi_schedule_irqoff")
Link: https://lkml.org/lkml/2020/10/18/19
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/4d3ef84a-c812-5072-918a-22a6f6468310@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-19 16:55:54 -07:00
Taehee Yoo
0e8b8d6a2d net: core: use list_del_init() instead of list_del() in netdev_run_todo()
dev->unlink_list is reused unless dev is deleted.
So, list_del() should not be used.
Due to using list_del(), dev->unlink_list can't be reused so that
dev->nested_level update logic doesn't work.
In order to fix this bug, list_del_init() should be used instead
of list_del().

Test commands:
    ip link add bond0 type bond
    ip link add bond1 type bond
    ip link set bond0 master bond1
    ip link set bond0 nomaster
    ip link set bond1 master bond0
    ip link set bond1 nomaster

Splat looks like:
[  255.750458][ T1030] ============================================
[  255.751967][ T1030] WARNING: possible recursive locking detected
[  255.753435][ T1030] 5.9.0-rc8+ #772 Not tainted
[  255.754553][ T1030] --------------------------------------------
[  255.756047][ T1030] ip/1030 is trying to acquire lock:
[  255.757304][ T1030] ffff88811782a280 (&dev_addr_list_lock_key/1){+...}-{2:2}, at: dev_mc_sync_multiple+0xc2/0x150
[  255.760056][ T1030]
[  255.760056][ T1030] but task is already holding lock:
[  255.761862][ T1030] ffff88811130a280 (&dev_addr_list_lock_key/1){+...}-{2:2}, at: bond_enslave+0x3d4d/0x43e0 [bonding]
[  255.764581][ T1030]
[  255.764581][ T1030] other info that might help us debug this:
[  255.766645][ T1030]  Possible unsafe locking scenario:
[  255.766645][ T1030]
[  255.768566][ T1030]        CPU0
[  255.769415][ T1030]        ----
[  255.770259][ T1030]   lock(&dev_addr_list_lock_key/1);
[  255.771629][ T1030]   lock(&dev_addr_list_lock_key/1);
[  255.772994][ T1030]
[  255.772994][ T1030]  *** DEADLOCK ***
[  255.772994][ T1030]
[  255.775091][ T1030]  May be due to missing lock nesting notation
[  255.775091][ T1030]
[  255.777182][ T1030] 2 locks held by ip/1030:
[  255.778299][ T1030]  #0: ffffffffb1f63250 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2e4/0x8b0
[  255.780600][ T1030]  #1: ffff88811130a280 (&dev_addr_list_lock_key/1){+...}-{2:2}, at: bond_enslave+0x3d4d/0x43e0 [bonding]
[  255.783411][ T1030]
[  255.783411][ T1030] stack backtrace:
[  255.784874][ T1030] CPU: 7 PID: 1030 Comm: ip Not tainted 5.9.0-rc8+ #772
[  255.786595][ T1030] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014
[  255.789030][ T1030] Call Trace:
[  255.789850][ T1030]  dump_stack+0x99/0xd0
[  255.790882][ T1030]  __lock_acquire.cold.71+0x166/0x3cc
[  255.792285][ T1030]  ? register_lock_class+0x1a30/0x1a30
[  255.793619][ T1030]  ? rcu_read_lock_sched_held+0x91/0xc0
[  255.794963][ T1030]  ? rcu_read_lock_bh_held+0xa0/0xa0
[  255.796246][ T1030]  lock_acquire+0x1b8/0x850
[  255.797332][ T1030]  ? dev_mc_sync_multiple+0xc2/0x150
[  255.798624][ T1030]  ? bond_enslave+0x3d4d/0x43e0 [bonding]
[  255.800039][ T1030]  ? check_flags+0x50/0x50
[  255.801143][ T1030]  ? lock_contended+0xd80/0xd80
[  255.802341][ T1030]  _raw_spin_lock_nested+0x2e/0x70
[  255.803592][ T1030]  ? dev_mc_sync_multiple+0xc2/0x150
[  255.804897][ T1030]  dev_mc_sync_multiple+0xc2/0x150
[  255.806168][ T1030]  bond_enslave+0x3d58/0x43e0 [bonding]
[  255.807542][ T1030]  ? __lock_acquire+0xe53/0x51b0
[  255.808824][ T1030]  ? bond_update_slave_arr+0xdc0/0xdc0 [bonding]
[  255.810451][ T1030]  ? check_chain_key+0x236/0x5e0
[  255.811742][ T1030]  ? mutex_is_locked+0x13/0x50
[  255.812910][ T1030]  ? rtnl_is_locked+0x11/0x20
[  255.814061][ T1030]  ? netdev_master_upper_dev_get+0xf/0x120
[  255.815553][ T1030]  do_setlink+0x94c/0x3040
[ ... ]

Reported-by: syzbot+4a0f7bc34e3997a6c7df@syzkaller.appspotmail.com
Fixes: 1fc70edb7d ("net: core: add nested_level variable in net_device")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Link: https://lore.kernel.org/r/20201015162606.9377-1-ap420073@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-18 14:50:25 -07:00
Jakub Kicinski
bd7f14df94 ixgbe: fix probing of multi-port devices with one MDIO
Ian reports that after upgrade from v5.8.14 to v5.9 only one
of his 4 ixgbe netdevs appear in the system.

Quoting the comment on ixgbe_x550em_a_has_mii():
 * Returns true if hw points to lowest numbered PCI B:D.F x550_em_a device in
 * the SoC.  There are up to 4 MACs sharing a single MDIO bus on the x550em_a,
 * but we only want to register one MDIO bus.

This matches the symptoms, since the return value from
ixgbe_mii_bus_init() is no longer ignored we need to handle
the higher ports of x550em without an error.

Fixes: 09ef193fef ("net: ethernet: ixgbe: check the return value of ixgbe_mii_bus_init()")
Reported-by: Ian Kumlien <ian.kumlien@gmail.com>
Tested-by: Ian Kumlien <ian.kumlien@gmail.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Link: https://lore.kernel.org/r/20201016232006.3352947-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-18 13:01:22 -07:00
Anant Thazhemadam
60f1626f0f net: usb: rtl8150: don't incorrectly assign random MAC addresses
In set_ethernet_addr(), if get_registers() succeeds, the ethernet address
that was read must be copied over. Otherwise, a random ethernet address
must be assigned.

get_registers() returns 0 if successful, and negative error number
otherwise. However, in set_ethernet_addr(), this return value is
incorrectly checked.

Since this return value will never be equal to sizeof(node_id), a
random MAC address will always be generated and assigned to the
device; even in cases when get_registers() is successful.

Correctly modifying the condition that checks if get_registers() was
successful or not fixes this problem, and copies the ethernet address
appropriately.

Fixes: b2a0f274e3 ("net: rtl8150: Use the new usb control message API.")
Signed-off-by: Anant Thazhemadam <anant.thazhemadam@gmail.com>
Link: https://lore.kernel.org/r/20201011173030.141582-1-anant.thazhemadam@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-18 12:57:30 -07:00
Ido Schimmel
71a0e29e99 selftests: forwarding: Add missing 'rp_filter' configuration
When 'rp_filter' is configured in strict mode (1) the tests fail because
packets received from the macvlan netdevs would not be forwarded through
them on the reverse path.

Fix this by disabling the 'rp_filter', meaning no source validation is
performed.

Fixes: 1538812e08 ("selftests: forwarding: Add a test for VXLAN asymmetric routing")
Fixes: 438a4f5665 ("selftests: forwarding: Add a test for VXLAN symmetric routing")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reported-by: Hangbin Liu <liuhangbin@gmail.com>
Tested-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20201015084525.135121-1-idosch@idosch.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-18 12:47:32 -07:00
Eelco Chaudron
f981fc3d51 net: openvswitch: fix to make sure flow_lookup() is not preempted
The flow_lookup() function uses per CPU variables, which must be called
with BH disabled. However, this is fine in the general NAPI use case
where the local BH is disabled. But, it's also called from the netlink
context. The below patch makes sure that even in the netlink path, the
BH is disabled.

In addition, u64_stats_update_begin() requires a lock to ensure one writer
which is not ensured here. Making it per-CPU and disabling NAPI (softirq)
ensures that there is always only one writer.

Fixes: eac87c413b ("net: openvswitch: reorder masks array based on usage")
Reported-by: Juri Lelli <jlelli@redhat.com>
Signed-off-by: Eelco Chaudron <echaudro@redhat.com>
Link: https://lore.kernel.org/r/160295903253.7789.826736662555102345.stgit@ebuild
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-18 12:29:36 -07:00
Ioana Ciornei
f355a55f82 net: pcs-xpcs: depend on MDIO_BUS instead of selecting it
The below compile time error can be seen when PHYLIB is configured as a
module.

 ld: drivers/net/pcs/pcs-xpcs.o: in function `xpcs_read':
 pcs-xpcs.c:(.text+0x29): undefined reference to `mdiobus_read'
 ld: drivers/net/pcs/pcs-xpcs.o: in function `xpcs_soft_reset.constprop.7':
 pcs-xpcs.c:(.text+0x80): undefined reference to `mdiobus_write'
 ld: drivers/net/pcs/pcs-xpcs.o: in function `xpcs_config_aneg':
 pcs-xpcs.c:(.text+0x318): undefined reference to `mdiobus_write'
 ld: pcs-xpcs.c:(.text+0x38e): undefined reference to `mdiobus_write'
 ld: pcs-xpcs.c:(.text+0x3eb): undefined reference to `mdiobus_write'
 ld: pcs-xpcs.c:(.text+0x437): undefined reference to `mdiobus_write'
 ld: drivers/net/pcs/pcs-xpcs.o:pcs-xpcs.c:(.text+0xb1e): more undefined references to `mdiobus_write' follow

PHYLIB being a module leads to MDIO_BUS being a module as well while the
XPCS is still built-in. What should happen in this configuration is that
PCS_XPCS should be forced to build as module. However, that select only
acts in the opposite way so we should turn it into a depends.

Fix this up by explicitly depending on MDIO_BUS.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Fixes: 2fa4e4b799 ("net: pcs: Move XPCS into new PCS subdirectory")
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-16 16:54:11 -07:00
Eric Dumazet
b38e7819ca icmp: randomize the global rate limiter
Keyu Man reported that the ICMP rate limiter could be used
by attackers to get useful signal. Details will be provided
in an upcoming academic publication.

Our solution is to add some noise, so that the attackers
no longer can get help from the predictable token bucket limiter.

Fixes: 4cdf507d54 ("icmp: add a global rate limitation")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Keyu Man <kman001@ucr.edu>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-16 16:47:09 -07:00
Dylan Hung
137d23cea1 net: ftgmac100: Fix Aspeed ast2600 TX hang issue
The new HW arbitration feature on Aspeed ast2600 will cause MAC TX to
hang when handling scatter-gather DMA.  Disable the problematic feature
by setting MAC register 0x58 bit28 and bit27.

Fixes: 39bfab8844 ("net: ftgmac100: Add support for DT phy-handle property")
Signed-off-by: Dylan Hung <dylan_hung@aspeedtech.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-16 15:36:34 -07:00
Hoang Huu Le
ec78e31852 tipc: fix incorrect setting window for bcast link
In commit 16ad3f4022
("tipc: introduce variable window congestion control"), we applied
the algorithm to select window size from minimum window to the
configured maximum window for unicast link, and, besides we chose
to keep the window size for broadcast link unchanged and equal (i.e
fix window 50)

However, when setting maximum window variable via command, the window
variable was re-initialized to unexpect value (i.e 32).

We fix this by updating the fix window for broadcast as we stated.

Fixes: 16ad3f4022 ("tipc: introduce variable window congestion control")
Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: Hoang Huu Le <hoang.h.le@dektech.com.au>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-16 14:09:12 -07:00
Hoang Huu Le
75cee397ae tipc: re-configure queue limit for broadcast link
The queue limit of the broadcast link is being calculated base on initial
MTU. However, when MTU value changed (e.g manual changing MTU on NIC
device, MTU negotiation etc.,) we do not re-calculate queue limit.
This gives throughput does not reflect with the change.

So fix it by calling the function to re-calculate queue limit of the
broadcast link.

Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: Hoang Huu Le <hoang.h.le@dektech.com.au>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-16 14:09:12 -07:00
Linus Torvalds
9ff9b0d392 networking changes for the 5.10 merge window
Add redirect_neigh() BPF packet redirect helper, allowing to limit stack
 traversal in common container configs and improving TCP back-pressure.
 Daniel reports ~10Gbps => ~15Gbps single stream TCP performance gain.
 
 Expand netlink policy support and improve policy export to user space.
 (Ge)netlink core performs request validation according to declared
 policies. Expand the expressiveness of those policies (min/max length
 and bitmasks). Allow dumping policies for particular commands.
 This is used for feature discovery by user space (instead of kernel
 version parsing or trial and error).
 
 Support IGMPv3/MLDv2 multicast listener discovery protocols in bridge.
 
 Allow more than 255 IPv4 multicast interfaces.
 
 Add support for Type of Service (ToS) reflection in SYN/SYN-ACK
 packets of TCPv6.
 
 In Multi-patch TCP (MPTCP) support concurrent transmission of data
 on multiple subflows in a load balancing scenario. Enhance advertising
 addresses via the RM_ADDR/ADD_ADDR options.
 
 Support SMC-Dv2 version of SMC, which enables multi-subnet deployments.
 
 Allow more calls to same peer in RxRPC.
 
 Support two new Controller Area Network (CAN) protocols -
 CAN-FD and ISO 15765-2:2016.
 
 Add xfrm/IPsec compat layer, solving the 32bit user space on 64bit
 kernel problem.
 
 Add TC actions for implementing MPLS L2 VPNs.
 
 Improve nexthop code - e.g. handle various corner cases when nexthop
 objects are removed from groups better, skip unnecessary notifications
 and make it easier to offload nexthops into HW by converting
 to a blocking notifier.
 
 Support adding and consuming TCP header options by BPF programs,
 opening the doors for easy experimental and deployment-specific
 TCP option use.
 
 Reorganize TCP congestion control (CC) initialization to simplify life
 of TCP CC implemented in BPF.
 
 Add support for shipping BPF programs with the kernel and loading them
 early on boot via the User Mode Driver mechanism, hence reusing all the
 user space infra we have.
 
 Support sleepable BPF programs, initially targeting LSM and tracing.
 
 Add bpf_d_path() helper for returning full path for given 'struct path'.
 
 Make bpf_tail_call compatible with bpf-to-bpf calls.
 
 Allow BPF programs to call map_update_elem on sockmaps.
 
 Add BPF Type Format (BTF) support for type and enum discovery, as
 well as support for using BTF within the kernel itself (current use
 is for pretty printing structures).
 
 Support listing and getting information about bpf_links via the bpf
 syscall.
 
 Enhance kernel interfaces around NIC firmware update. Allow specifying
 overwrite mask to control if settings etc. are reset during update;
 report expected max time operation may take to users; support firmware
 activation without machine reboot incl. limits of how much impact
 reset may have (e.g. dropping link or not).
 
 Extend ethtool configuration interface to report IEEE-standard
 counters, to limit the need for per-vendor logic in user space.
 
 Adopt or extend devlink use for debug, monitoring, fw update
 in many drivers (dsa loop, ice, ionic, sja1105, qed, mlxsw,
 mv88e6xxx, dpaa2-eth).
 
 In mlxsw expose critical and emergency SFP module temperature alarms.
 Refactor port buffer handling to make the defaults more suitable and
 support setting these values explicitly via the DCBNL interface.
 
 Add XDP support for Intel's igb driver.
 
 Support offloading TC flower classification and filtering rules to
 mscc_ocelot switches.
 
 Add PTP support for Marvell Octeontx2 and PP2.2 hardware, as well as
 fixed interval period pulse generator and one-step timestamping in
 dpaa-eth.
 
 Add support for various auth offloads in WiFi APs, e.g. SAE (WPA3)
 offload.
 
 Add Lynx PHY/PCS MDIO module, and convert various drivers which have
 this HW to use it. Convert mvpp2 to split PCS.
 
 Support Marvell Prestera 98DX3255 24-port switch ASICs, as well as
 7-port Mediatek MT7531 IP.
 
 Add initial support for QCA6390 and IPQ6018 in ath11k WiFi driver,
 and wcn3680 support in wcn36xx.
 
 Improve performance for packets which don't require much offloads
 on recent Mellanox NICs by 20% by making multiple packets share
 a descriptor entry.
 
 Move chelsio inline crypto drivers (for TLS and IPsec) from the crypto
 subtree to drivers/net. Move MDIO drivers out of the phy directory.
 
 Clean up a lot of W=1 warnings, reportedly the actively developed
 subsections of networking drivers should now build W=1 warning free.
 
 Make sure drivers don't use in_interrupt() to dynamically adapt their
 code. Convert tasklets to use new tasklet_setup API (sadly this
 conversion is not yet complete).
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:

 - Add redirect_neigh() BPF packet redirect helper, allowing to limit
   stack traversal in common container configs and improving TCP
   back-pressure.

   Daniel reports ~10Gbps => ~15Gbps single stream TCP performance gain.

 - Expand netlink policy support and improve policy export to user
   space. (Ge)netlink core performs request validation according to
   declared policies. Expand the expressiveness of those policies
   (min/max length and bitmasks). Allow dumping policies for particular
   commands. This is used for feature discovery by user space (instead
   of kernel version parsing or trial and error).

 - Support IGMPv3/MLDv2 multicast listener discovery protocols in
   bridge.

 - Allow more than 255 IPv4 multicast interfaces.

 - Add support for Type of Service (ToS) reflection in SYN/SYN-ACK
   packets of TCPv6.

 - In Multi-patch TCP (MPTCP) support concurrent transmission of data on
   multiple subflows in a load balancing scenario. Enhance advertising
   addresses via the RM_ADDR/ADD_ADDR options.

 - Support SMC-Dv2 version of SMC, which enables multi-subnet
   deployments.

 - Allow more calls to same peer in RxRPC.

 - Support two new Controller Area Network (CAN) protocols - CAN-FD and
   ISO 15765-2:2016.

 - Add xfrm/IPsec compat layer, solving the 32bit user space on 64bit
   kernel problem.

 - Add TC actions for implementing MPLS L2 VPNs.

 - Improve nexthop code - e.g. handle various corner cases when nexthop
   objects are removed from groups better, skip unnecessary
   notifications and make it easier to offload nexthops into HW by
   converting to a blocking notifier.

 - Support adding and consuming TCP header options by BPF programs,
   opening the doors for easy experimental and deployment-specific TCP
   option use.

 - Reorganize TCP congestion control (CC) initialization to simplify
   life of TCP CC implemented in BPF.

 - Add support for shipping BPF programs with the kernel and loading
   them early on boot via the User Mode Driver mechanism, hence reusing
   all the user space infra we have.

 - Support sleepable BPF programs, initially targeting LSM and tracing.

 - Add bpf_d_path() helper for returning full path for given 'struct
   path'.

 - Make bpf_tail_call compatible with bpf-to-bpf calls.

 - Allow BPF programs to call map_update_elem on sockmaps.

 - Add BPF Type Format (BTF) support for type and enum discovery, as
   well as support for using BTF within the kernel itself (current use
   is for pretty printing structures).

 - Support listing and getting information about bpf_links via the bpf
   syscall.

 - Enhance kernel interfaces around NIC firmware update. Allow
   specifying overwrite mask to control if settings etc. are reset
   during update; report expected max time operation may take to users;
   support firmware activation without machine reboot incl. limits of
   how much impact reset may have (e.g. dropping link or not).

 - Extend ethtool configuration interface to report IEEE-standard
   counters, to limit the need for per-vendor logic in user space.

 - Adopt or extend devlink use for debug, monitoring, fw update in many
   drivers (dsa loop, ice, ionic, sja1105, qed, mlxsw, mv88e6xxx,
   dpaa2-eth).

 - In mlxsw expose critical and emergency SFP module temperature alarms.
   Refactor port buffer handling to make the defaults more suitable and
   support setting these values explicitly via the DCBNL interface.

 - Add XDP support for Intel's igb driver.

 - Support offloading TC flower classification and filtering rules to
   mscc_ocelot switches.

 - Add PTP support for Marvell Octeontx2 and PP2.2 hardware, as well as
   fixed interval period pulse generator and one-step timestamping in
   dpaa-eth.

 - Add support for various auth offloads in WiFi APs, e.g. SAE (WPA3)
   offload.

 - Add Lynx PHY/PCS MDIO module, and convert various drivers which have
   this HW to use it. Convert mvpp2 to split PCS.

 - Support Marvell Prestera 98DX3255 24-port switch ASICs, as well as
   7-port Mediatek MT7531 IP.

 - Add initial support for QCA6390 and IPQ6018 in ath11k WiFi driver,
   and wcn3680 support in wcn36xx.

 - Improve performance for packets which don't require much offloads on
   recent Mellanox NICs by 20% by making multiple packets share a
   descriptor entry.

 - Move chelsio inline crypto drivers (for TLS and IPsec) from the
   crypto subtree to drivers/net. Move MDIO drivers out of the phy
   directory.

 - Clean up a lot of W=1 warnings, reportedly the actively developed
   subsections of networking drivers should now build W=1 warning free.

 - Make sure drivers don't use in_interrupt() to dynamically adapt their
   code. Convert tasklets to use new tasklet_setup API (sadly this
   conversion is not yet complete).

* tag 'net-next-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2583 commits)
  Revert "bpfilter: Fix build error with CONFIG_BPFILTER_UMH"
  net, sockmap: Don't call bpf_prog_put() on NULL pointer
  bpf, selftest: Fix flaky tcp_hdr_options test when adding addr to lo
  bpf, sockmap: Add locking annotations to iterator
  netfilter: nftables: allow re-computing sctp CRC-32C in 'payload' statements
  net: fix pos incrementment in ipv6_route_seq_next
  net/smc: fix invalid return code in smcd_new_buf_create()
  net/smc: fix valid DMBE buffer sizes
  net/smc: fix use-after-free of delayed events
  bpfilter: Fix build error with CONFIG_BPFILTER_UMH
  cxgb4/ch_ipsec: Replace the module name to ch_ipsec from chcr
  net: sched: Fix suspicious RCU usage while accessing tcf_tunnel_info
  bpf: Fix register equivalence tracking.
  rxrpc: Fix loss of final ack on shutdown
  rxrpc: Fix bundle counting for exclusive connections
  netfilter: restore NF_INET_NUMHOOKS
  ibmveth: Identify ingress large send packets.
  ibmveth: Switch order of ibmveth_helper calls.
  cxgb4: handle 4-tuple PEDIT to NAT mode translation
  selftests: Add VRF route leaking tests
  ...
2020-10-15 18:42:13 -07:00
Linus Torvalds
840e5bb326 integrity-v5.10
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Merge tag 'integrity-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity

Pull integrity updates from Mimi Zohar:
 "Continuing IMA policy rule cleanup and validation in particular for
  measuring keys, adding/removing/updating informational and error
  messages (e.g. "ima_appraise" boot command line option), and other bug
  fixes (e.g. minimal data size validation before use, return code and
  NULL pointer checking)"

* tag 'integrity-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
  ima: Fix NULL pointer dereference in ima_file_hash
  evm: Check size of security.evm before using it
  ima: Remove semicolon at the end of ima_get_binary_runtime_size()
  ima: Don't ignore errors from crypto_shash_update()
  ima: Use kmemdup rather than kmalloc+memcpy
  integrity: include keyring name for unknown key request
  ima: limit secure boot feedback scope for appraise
  integrity: invalid kernel parameters feedback
  ima: add check for enforced appraise option
  integrity: Use current_uid() in integrity_audit_message()
  ima: Fail rule parsing when asymmetric key measurement isn't supportable
  ima: Pre-parse the list of keyrings in a KEY_CHECK rule
2020-10-15 15:58:18 -07:00
Linus Torvalds
fefa636d81 Updates for tracing and bootconfig:
- Add support for "bool" type in synthetic events
 
 - Add per instance tracing for bootconfig
 
 - Support perf-style return probe ("SYMBOL%return") in kprobes and uprobes
 
 - Allow for kprobes to be enabled earlier in boot up
 
 - Added tracepoint helper function to allow testing if tracepoints are
   enabled in headers
 
 - Synthetic events can now have dynamic strings (variable length)
 
 - Various fixes and cleanups
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Merge tag 'trace-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing updates from Steven Rostedt:
 "Updates for tracing and bootconfig:

   - Add support for "bool" type in synthetic events

   - Add per instance tracing for bootconfig

   - Support perf-style return probe ("SYMBOL%return") in kprobes and
     uprobes

   - Allow for kprobes to be enabled earlier in boot up

   - Added tracepoint helper function to allow testing if tracepoints
     are enabled in headers

   - Synthetic events can now have dynamic strings (variable length)

   - Various fixes and cleanups"

* tag 'trace-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (58 commits)
  tracing: support "bool" type in synthetic trace events
  selftests/ftrace: Add test case for synthetic event syntax errors
  tracing: Handle synthetic event array field type checking correctly
  selftests/ftrace: Change synthetic event name for inter-event-combined test
  tracing: Add synthetic event error logging
  tracing: Check that the synthetic event and field names are legal
  tracing: Move is_good_name() from trace_probe.h to trace.h
  tracing: Don't show dynamic string internals in synthetic event description
  tracing: Fix some typos in comments
  tracing/boot: Add ftrace.instance.*.alloc_snapshot option
  tracing: Fix race in trace_open and buffer resize call
  tracing: Check return value of __create_val_fields() before using its result
  tracing: Fix synthetic print fmt check for use of __get_str()
  tracing: Remove a pointless assignment
  ftrace: ftrace_global_list is renamed to ftrace_ops_list
  ftrace: Format variable declarations of ftrace_allocate_records
  ftrace: Simplify the calculation of page number for ftrace_page->records
  ftrace: Simplify the dyn_ftrace->flags macro
  ftrace: Simplify the hash calculation
  ftrace: Use fls() to get the bits for dup_hash()
  ...
2020-10-15 15:51:28 -07:00
Linus Torvalds
2d0f6b0aab hyperv-next for 5.10, part 2
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Merge tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull another Hyper-V update from Wei Liu:
 "One patch from Michael to get VMbus interrupt from ACPI DSDT"

* tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  Drivers: hv: vmbus: Add parsing of VMbus interrupt in ACPI DSDT
2020-10-15 15:48:06 -07:00
Linus Torvalds
7286d2a37e Merge branch 'parisc-5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller:

 - Added fw_cfg support for parisc on qemu

 - Added font support in sti text console driver for byte- and word-mode
   ROMs

 - Switch to more fine grained lws locks and improve spinlock handling

 - Add ioread64_hi_lo() and iowrite64_hi_lo() to avoid 0-day linking
   errors

 - Mark pointers volatile in __xchg8(), __xchg32() and __xchg64() to
   help compiler

 - Header file cleanups, mostly removal of unused HP-UX compat defines

 - Drop one bit from our O_NONBLOCK define to become now 000200000

 - Add MAP_UNINITIALIZED define to avoid userspace compile errors

 - Drop CONFIG_IDE from defconfigs

 - Speed up synchronize_caches() on UP machines

 - Rewrite tlb flush threshold calculation

 - Comment fixes and cleanups

* 'parisc-5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc/sticon: Add user font support
  parisc/sticon: Always register sticon console driver
  parisc: Add MAP_UNINITIALIZED define
  parisc: Improve spinlock handling
  parisc: Install vmlinuz instead of zImage file
  parisc: Rewrite tlb flush threshold calculation
  parisc: Switch to more fine grained lws locks
  parisc: Mark pointers volatile in __xchg8(), __xchg32() and __xchg64()
  parisc: Fix comments and enable interrupts later
  parisc: Add alternative patching to synchronize_caches define
  parisc: Add ioread64_hi_lo() and iowrite64_hi_lo()
  parisc: disable CONFIG_IDE in defconfigs
  parisc: Drop useless comments in uapi/asm/signal.h
  parisc: Define O_NONBLOCK to become 000200000
  parisc: Drop HP-UX specific fcntl and signal flags
  parisc: Avoid external interrupts when IPI finishes
  parisc: Add qemu fw_cfg interface
  fw_cfg: Add support for parisc architecture
2020-10-15 15:42:55 -07:00
Linus Torvalds
578a7155c5 linux-kselftest-kunit-fixes-5.10-rc1
This Kunit fixes update consists of several kunit tool bug fixes in
 flag handling, run outside kernel tree, make errors, and generating
 results.
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Merge tag 'linux-kselftest-kunit-fixes-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull Kunit updates from Shuah Khan:
 "Several kunit tool bug fixes in flag handling, run outside kernel
  tree, make errors, and generating results"

* tag 'linux-kselftest-kunit-fixes-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  kunit: tool: fix display of make errors
  kunit: tool: handle when .kunit exists but .kunitconfig does not
  kunit: tool: fix --alltests flag
  kunit: tool: allow generating test results in JSON
  kunit: tool: fix running kunit_tool from outside kernel tree
2020-10-15 15:17:06 -07:00
Linus Torvalds
0674324b16 linux-kselftest-next-5.10-rc1
This kselftest update for Linux 5.10-rc1 consists of enhancements to
 
 -- speed up headers_install done during selftest build
 -- add generic make nesting support
 -- add support to select individual tests:
    - Selftests build/install generates run_kselftest.sh script to run
      selftests on a target system. Currently the script doesn't have
      support for selecting individual tests. Add support for it.
 
      With this enhancement, user can select test collections (or tests)
      individually. e.g:
 
      run_kselftest.sh -c seccomp -t timers:posix_timers -t timers:nanosleep
 
      Additionally adds a way to list all known tests with "-l", usage
      with "-h", and perform a dry run without running tests with "-n".
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Merge tag 'linux-kselftest-next-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest updates from Shuah Khan:

 - speed up headers_install done during selftest build

 - add generic make nesting support

 - add support to select individual tests:

   Selftests build/install generates run_kselftest.sh script to run
   selftests on a target system. Currently the script doesn't have
   support for selecting individual tests. Add support for it.

   With this enhancement, user can select test collections (or tests)
   individually. e.g:

      run_kselftest.sh -c seccomp -t timers:posix_timers -t timers:nanosleep

   Additionally adds a way to list all known tests with "-l", usage with
   "-h", and perform a dry run without running tests with "-n".

* tag 'linux-kselftest-next-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  doc: dev-tools: kselftest.rst: Update examples and paths
  selftests/run_kselftest.sh: Make each test individually selectable
  selftests: Extract run_kselftest.sh and generate stand-alone test list
  selftests: Add missing gitignore entries
  selftests: more general make nesting support
  selftests: use "$(MAKE)" instead of "make" for headers_install
2020-10-15 15:14:32 -07:00
Linus Torvalds
bbf6259903 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial updates from Jiri Kosina:
 "The latest advances in computer science from the trivial queue"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
  xtensa: fix Kconfig typo
  spelling.txt: Remove some duplicate entries
  mtd: rawnand: oxnas: cleanup/simplify code
  selftests: vm: add fragment CONFIG_GUP_BENCHMARK
  perf: Fix opt help text for --no-bpf-event
  HID: logitech-dj: Fix spelling in comment
  bootconfig: Fix kernel message mentioning CONFIG_BOOT_CONFIG
  MAINTAINERS: rectify MMP SUPPORT after moving cputype.h
  scif: Fix spelling of EACCES
  printk: fix global comment
  lib/bitmap.c: fix spello
  fs: Fix missing 'bit' in comment
2020-10-15 15:11:56 -07:00
Linus Torvalds
bf36c6b946 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina:

 - Lenovo X1 Tablet support improvements from Mikael Wikström

 - "heartbeat" report fix for several Wacom devices from Jason Gerecke

 - bounds checking fix in hid-roccat from Dan Carpenter

 - stylus battery reporting fix from Dmitry Torokhov

 - i2c-hid support for wakeup from suspend-to-idle from Kai-Heng Feng

 - new driver for Vivaldi devices from Sean O'Brien

 - other assorted small fixes and device ID additions

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
  HID: i2c-hid: Enable wakeup capability from Suspend-to-Idle
  HID: add vivaldi HID driver
  HID: hid-input: fix stylus battery reporting
  HID: wacom: Avoid entering wacom_wac_pen_report for pad / battery
  HID: i2c-hid: fix kerneldoc warnings in i2c-hid-core.c
  HID: core: fix kerneldoc warnings in hid-core.c
  HID: multitouch: Lenovo X1 Tablet Gen2 trackpoint and buttons
  HID: multitouch: Lenovo X1 Tablet Gen3 trackpoint and buttons
  HID: alps: clean up indentation issue
  HID: intel-ish-hid: simplify the return expression of ishtp_bus_remove_device()
  HID: hid-debug: fix nonblocking read semantics wrt EIO/ERESTARTSYS
  HID: i2c-hid: Prefer asynchronous probe
  HID: ite: Add USB id match for Acer One S1003 keyboard dock
  HID: roccat: add bounds checking in kone_sysfs_write_settings()
  HID: wiimote: narrow spinlock range in wiimote_hid_event()
  HID: wiimote: make handlers[] const
  HID: apple: Add support for Matias wireless keyboard
  HID: cp2112: Use irqchip template
2020-10-15 15:09:12 -07:00
Linus Torvalds
0cd7d9795f Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching
Pull livepatching update from Jiri Kosina:
 "livepatching kselftest output fix from Miroslav Benes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching:
  selftests/livepatch: Do not check order when using "comm" for dmesg checking
2020-10-15 15:07:57 -07:00
Linus Torvalds
4a165feba2 \n
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Merge tag 'dio_for_v5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull direct-io fix from Jan Kara:
 "Fix for unaligned direct IO read past EOF in legacy DIO code"

* tag 'dio_for_v5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  direct-io: defer alignment check until after the EOF check
  direct-io: don't force writeback for reads beyond EOF
  direct-io: clean up error paths of do_blockdev_direct_IO
2020-10-15 15:03:10 -07:00
Linus Torvalds
b77a69b81c \n
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Merge tag 'fs_for_v5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull UDF, reiserfs, ext2, quota fixes from Jan Kara:

 - a couple of UDF fixes for issues found by syzbot fuzzing

 - a couple of reiserfs fixes for issues found by syzbot fuzzing

 - some minor ext2 cleanups

 - quota patches to support grace times beyond year 2038 for XFS quota
   APIs

* tag 'fs_for_v5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  reiserfs: Fix oops during mount
  udf: Limit sparing table size
  udf: Remove pointless union in udf_inode_info
  udf: Avoid accessing uninitialized data on failed inode read
  quota: clear padding in v2r1_mem2diskdqb()
  reiserfs: Initialize inode keys properly
  udf: Fix memory leak when mounting
  udf: Remove redundant initialization of variable ret
  reiserfs: only call unlock_new_inode() if I_NEW
  ext2: Fix some kernel-doc warnings in balloc.c
  quota: Expand comment describing d_itimer
  quota: widen timestamps for the fs_disk_quota structure
  reiserfs: Fix memory leak in reiserfs_parse_options()
  udf: Use kvzalloc() in udf_sb_alloc_bitmap()
  ext2: remove duplicate include
2020-10-15 14:56:15 -07:00
Linus Torvalds
ca5387e448 configfs updates for 5.10
- various cleanups for the configfs samples (Bartosz Golaszewski)
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Merge tag 'configfs-5.10' of git://git.infradead.org/users/hch/configfs

Pull configfs updates from Christoph Hellwig:
 "Various cleanups for the configfs samples (Bartosz Golaszewski)"

* tag 'configfs-5.10' of git://git.infradead.org/users/hch/configfs:
  samples: configfs: prefer pr_err() over bare printk(KERN_ERR
  samples: configfs: don't use spaces before tabs
  samples: configfs: consolidate local variables of the same type
  samples: configfs: don't reinitialize variables which are already zeroed
  samples: configfs: replace simple_strtoul() with kstrtoint()
  samples: configfs: fix alignment in item struct
  samples: configfs: drop unnecessary ternary operators
  samples: configfs: remove redundant newlines
  MAINTAINERS: add the sample directory to the configfs entry
2020-10-15 14:52:45 -07:00
Linus Torvalds
5a32c3413d dma-mapping updates for 5.10
- rework the non-coherent DMA allocator
  - move private definitions out of <linux/dma-mapping.h>
  - lower CMA_ALIGNMENT (Paul Cercueil)
  - remove the omap1 dma address translation in favor of the common
    code
  - make dma-direct aware of multiple dma offset ranges (Jim Quinlan)
  - support per-node DMA CMA areas (Barry Song)
  - increase the default seg boundary limit (Nicolin Chen)
  - misc fixes (Robin Murphy, Thomas Tai, Xu Wang)
  - various cleanups
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Merge tag 'dma-mapping-5.10' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping updates from Christoph Hellwig:

 - rework the non-coherent DMA allocator

 - move private definitions out of <linux/dma-mapping.h>

 - lower CMA_ALIGNMENT (Paul Cercueil)

 - remove the omap1 dma address translation in favor of the common code

 - make dma-direct aware of multiple dma offset ranges (Jim Quinlan)

 - support per-node DMA CMA areas (Barry Song)

 - increase the default seg boundary limit (Nicolin Chen)

 - misc fixes (Robin Murphy, Thomas Tai, Xu Wang)

 - various cleanups

* tag 'dma-mapping-5.10' of git://git.infradead.org/users/hch/dma-mapping: (63 commits)
  ARM/ixp4xx: add a missing include of dma-map-ops.h
  dma-direct: simplify the DMA_ATTR_NO_KERNEL_MAPPING handling
  dma-direct: factor out a dma_direct_alloc_from_pool helper
  dma-direct check for highmem pages in dma_direct_alloc_pages
  dma-mapping: merge <linux/dma-noncoherent.h> into <linux/dma-map-ops.h>
  dma-mapping: move large parts of <linux/dma-direct.h> to kernel/dma
  dma-mapping: move dma-debug.h to kernel/dma/
  dma-mapping: remove <asm/dma-contiguous.h>
  dma-mapping: merge <linux/dma-contiguous.h> into <linux/dma-map-ops.h>
  dma-contiguous: remove dma_contiguous_set_default
  dma-contiguous: remove dev_set_cma_area
  dma-contiguous: remove dma_declare_contiguous
  dma-mapping: split <linux/dma-mapping.h>
  cma: decrease CMA_ALIGNMENT lower limit to 2
  firewire-ohci: use dma_alloc_pages
  dma-iommu: implement ->alloc_noncoherent
  dma-mapping: add new {alloc,free}_noncoherent dma_map_ops methods
  dma-mapping: add a new dma_alloc_pages API
  dma-mapping: remove dma_cache_sync
  53c700: convert to dma_alloc_noncoherent
  ...
2020-10-15 14:43:29 -07:00
Linus Torvalds
f065199d4d dmaengine updates for v5.10-rc1
Core:
  - Mark dma_request_slave_channel() deprecated in favour of dma_request_chan()
  - subsystem conversion for tasklet_setup() API
  - subsystem removal of local dma_parms for arm drivers
 
 Updates to bunch of driver notably TI, DW and AXI-DMAC
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Merge tag 'dmaengine-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:
 "Core:

   - Mark dma_request_slave_channel() deprecated in favour of
     dma_request_chan()

   - subsystem conversion for tasklet_setup() API

   - subsystem removal of local dma_parms for arm drivers

  Also updates to bunch of driver notably TI, DW and AXI-DMAC"

* tag 'dmaengine-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (104 commits)
  dmaengine: owl-dma: fix kernel-doc style for enum
  dmaengine: zynqmp_dma: fix kernel-doc style for tasklet
  dmaengine: xilinx_dma: fix kernel-doc style for tasklet
  dmaengine: qcom: bam_dma: fix kernel-doc style for tasklet
  dmaengine: altera-msgdma: fix kernel-doc style for tasklet
  dmaengine: xilinx: dpdma: convert tasklets to use new tasklet_setup() API
  dmaengine: sf-pdma: convert tasklets to use new tasklet_setup() API
  dt-bindings: Fix 'reg' size issues in zynqmp examples
  dmaengine: rcar-dmac: drop double zeroing
  dmaengine: sh: drop double zeroing
  dmaengine: ioat: Allocate correct size for descriptor chunk
  dmaengine: ti: k3-udma: use devm_platform_ioremap_resource_byname
  dmaengine: fsl: remove bad channel update
  dmaengine: dma-jz4780: Fix race in jz4780_dma_tx_status
  dmaengine: pl330: fix argument for tasklet
  dmaengine: dmatest: Return boolean result directly in filter()
  dmaengine: dmatest: Check list for emptiness before access its last entry
  dmaengine: ti: k3-udma-glue: fix channel enable functions
  dmaengine: iop-adma: Fix pointer cast warnings
  dmaengine: dw-edma: Fix Using plain integer as NULL pointer in dw-edma-v0-debugfs.c
  ...
2020-10-15 14:33:52 -07:00
Jakub Kicinski
105faa8742 Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:

====================
pull-request: bpf-next 2020-10-15

The main changes are:

1) Fix register equivalence tracking in verifier, from Alexei Starovoitov.

2) Fix sockmap error path to not call bpf_prog_put() with NULL, from Alex Dewar.

3) Fix sockmap to add locking annotations to iterator, from Lorenz Bauer.

4) Fix tcp_hdr_options test to use loopback address, from Martin KaFai Lau.
====================

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-15 12:45:00 -07:00
Jakub Kicinski
2295cddf99 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Minor conflicts in net/mptcp/protocol.h and
tools/testing/selftests/net/Makefile.

In both cases code was added on both sides in the same place
so just keep both.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-15 12:43:21 -07:00
Jakub Kicinski
2ecbc1f684 Revert "bpfilter: Fix build error with CONFIG_BPFILTER_UMH"
This reverts commit 1d273fcc2c.

Alexei points out there's nothing implying headers will be built
and therefore exist under usr/include, so this fix doesn't make
much sense.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-15 12:33:24 -07:00
Alex Dewar
83c11c1755 net, sockmap: Don't call bpf_prog_put() on NULL pointer
If bpf_prog_inc_not_zero() fails for skb_parser, then bpf_prog_put() is
called unconditionally on skb_verdict, even though it may be NULL. Fix
and tidy up error path.

Fixes: 743df8b774 ("bpf, sockmap: Check skb_verdict and skb_parser programs explicitly")
Addresses-Coverity-ID: 1497799: Null pointer dereferences (FORWARD_NULL)
Signed-off-by: Alex Dewar <alex.dewar90@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Jakub Sitnicki <jakub@cloudflare.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20201012170952.60750-1-alex.dewar90@gmail.com
2020-10-15 21:05:23 +02:00
Martin KaFai Lau
8a3feed90e bpf, selftest: Fix flaky tcp_hdr_options test when adding addr to lo
The tcp_hdr_options test adds a "::eB9F" addr to the lo dev.
However, this non loopback address will have a race on ipv6 dad
which may lead to EADDRNOTAVAIL error from time to time.

Even nodad is used in the iproute2 command, there is still a race in
when the route will be added.  This will then lead to ENETUNREACH from
time to time.

To avoid the above, this patch uses the default loopback address "::1"
to do the test.

Fixes: ad2f8eb009 ("bpf: selftests: Tcp header options")
Reported-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20201012234940.1707941-1-kafai@fb.com
2020-10-15 20:53:15 +02:00
Lorenz Bauer
f58423aeab bpf, sockmap: Add locking annotations to iterator
The sparse checker currently outputs the following warnings:

    include/linux/rcupdate.h:632:9: sparse: sparse: context imbalance in 'sock_hash_seq_start' - wrong count at exit
    include/linux/rcupdate.h:632:9: sparse: sparse: context imbalance in 'sock_map_seq_start' - wrong count at exit

Add the necessary __acquires and __release annotations to make the
iterator locking schema palatable to sparse. Also add __must_hold
for good measure.

The kernel codebase uses both __acquires(rcu) and __acquires(RCU).
I couldn't find any guidance which one is preferred, so I used
what is easier to type out.

Fixes: 0365351524 ("net: Allow iterating sockmap and sockhash")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Lorenz Bauer <lmb@cloudflare.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://lore.kernel.org/bpf/20201012091850.67452-1-lmb@cloudflare.com
2020-10-15 20:49:56 +02:00
Jiri Kosina
3504e85cd8 Merge branch 'for-5.10/i2c-hid' into for-linus
- i2c-hid support for wakeup from suspend-to-idle
2020-10-15 20:46:23 +02:00
Kai-Heng Feng
203c38fbe8 HID: i2c-hid: Enable wakeup capability from Suspend-to-Idle
Many laptops can be woken up from Suspend-to-Idle by touchpad. This is
also the default behavior on other OSes.

However, if touchpad and touchscreen contact to each other when lid is
closed, wakeup events can be triggered inadventertly.

So let's disable the wakeup by default, but enable the wakeup capability
so users can enable it at their own discretion.

Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2020-10-15 20:46:11 +02:00
Davide Caratti
346e320cb2 netfilter: nftables: allow re-computing sctp CRC-32C in 'payload' statements
nftables payload statements are used to mangle SCTP headers, but they can
only replace the Internet Checksum. As a consequence, nftables rules that
mangle sport/dport/vtag in SCTP headers potentially generate packets that
are discarded by the receiver, unless the CRC-32C is "offloaded" (e.g the
rule mangles a skb having 'ip_summed' equal to 'CHECKSUM_PARTIAL'.

Fix this extending uAPI definitions and L4 checksum update function, in a
way that userspace programs (e.g. nft) can instruct the kernel to compute
CRC-32C in SCTP headers. Also ensure that LIBCRC32C is built if NF_TABLES
is 'y' or 'm' in the kernel build configuration.

Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-15 11:45:19 -07:00
Jiri Kosina
9b14b06679 Merge branch 'for-5.9/upstream-fixes' into for-linus
- "heartbeat" report fix for several Wacom devices
- Lenovo X1 Tablet support improvements
- new device IDs
- bounds checking fix in hid-roccat
- stylus battery reporting fix
2020-10-15 20:41:43 +02:00
Jiri Kosina
146f9d9189 Merge branch 'for-5.10/wiimote' into for-linus
- code cleanups for hid-wiimote
2020-10-15 20:41:00 +02:00
Jiri Kosina
df975502e5 Merge branch 'for-5.10/vivaldi' into for-linus
- driver for Vivaldi devices (keyboards which provide vendor-defined (Google)
  usages in their descriptor)
2020-10-15 20:40:02 +02:00
Jiri Kosina
d61a5d6314 Merge branch 'for-5.10/intel-ish-hid' into for-linus
- intel-ish-hid code cleanup
2020-10-15 20:39:41 +02:00
Jiri Kosina
1341c58615 Merge branch 'for-5.10/i2c-hid' into for-linus
- prefer async probing in i2c-hid even if built-in
2020-10-15 20:39:08 +02:00
Jiri Kosina
1142a12ca9 Merge branch 'for-5.10/cp2112' into for-linus
- make cp2112 driver use irqchip template properly
2020-10-15 20:38:07 +02:00
Jiri Kosina
62b31a0457 Merge branch 'for-5.10/core' into for-linus
- nonblocking read semantics fix for hid-debug
2020-10-15 20:37:01 +02:00
Jiri Kosina
cc51d17177 Merge branch 'for-5.10/apple' into for-linus
- support for Matias wireless (identifies itself as ISO RevB Alu)
2020-10-15 20:35:46 +02:00
Jakub Kicinski
54086c5a7f rxrpc fixes
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Merge tag 'rxrpc-next-20201015' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

David Howells says:

====================
rxrpc fixes

Here are a couple of fixes that need to be applied on top of rxrpc patches
in net-next:

 (1) Fix a bug in the connection bundle changes in the net-next tree.

 (2) Fix the loss of final ACK on socket shutdown.
====================

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-15 11:19:26 -07:00
Linus Torvalds
c48b75b727 sound updates for 5.10
The amount of changes is smaller at this round (what a surprise),
 but lots of activity is seen.  Most of changes are about ASoC
 driver development, especially Intel platforms.
 Here are some highlights:
 
 General:
 * Replace all tasklet usages with other alternatives
 * Cleanup of the ASoC error unwinding code
 * Fixes for trivial issues caught by static checker
 * Spell fixes allover the places
 
 ALSA Core:
 * Lockdep fix for control devices
 * Fix for potential OSS sequencer mutex stalls
 
 HD-audio and USB-audio:
 * SoundBlaster AE-7 support
 * Changes in quirk table for the rename handling
 * Quirks for HP and ASUS machines, Pioneer DJ DJM-250MK2.
 
 ASoC:
 * Lots of updates for Intel SOF and SoundWire enablement
 * Replacement of the DSP driver for some older x86 systems;
   the new code was written from scratch, better maintenance
   expected
 * Helpers for parsing auxiluary devices from the device tree
 * New support for AllWinner A64, Cirrus Logic CS4234, Mediatek
   MT6359 Microchip S/PDIF TX and RX controllers, Realtek RT1015P,
   and Texas Instruments J721E, TAS2110, TAS2564 and TAS2764
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Merge tag 'sound-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "The amount of changes is smaller at this round (what a surprise), but
  lots of activity is seen. Most of changes are about ASoC driver
  development, especially Intel platforms. Here are some highlights:

  General:
   - Replace all tasklet usages with other alternatives
   - Cleanup of the ASoC error unwinding code
   - Fixes for trivial issues caught by static checker
   - Spell fixes allover the places

  ALSA Core:
   - Lockdep fix for control devices
   - Fix for potential OSS sequencer mutex stalls

  HD-audio and USB-audio:
   - SoundBlaster AE-7 support
   - Changes in quirk table for the rename handling
   - Quirks for HP and ASUS machines, Pioneer DJ DJM-250MK2.

  ASoC:
   - Lots of updates for Intel SOF and SoundWire enablement
   - Replacement of the DSP driver for some older x86 systems; the new
     code was written from scratch, better maintenance expected
   - Helpers for parsing auxiluary devices from the device tree
   - New support for AllWinner A64, Cirrus Logic CS4234, Mediatek MT6359
     Microchip S/PDIF TX and RX controllers, Realtek RT1015P, and Texas
     Instruments J721E, TAS2110, TAS2564 and TAS2764"

* tag 'sound-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (498 commits)
  ALSA: hda/hdmi: fix incorrect locking in hdmi_pcm_close
  ALSA: hda: fix jack detection with Realtek codecs when in D3
  ALSA: fireworks: use semicolons rather than commas to separate statements
  ALSA: hda: use semicolons rather than commas to separate statements
  ALSA: hda/i915 - fix list corruption with concurrent probes
  ASoC: dmaengine: Document support for TX only or RX only streams
  ASoC: mchp-spdiftx: remove 'TX' from playback stream name
  ASoC: ti: davinci-mcasp: Use &pdev->dev for early dev_warn
  ASoC: tas2764: Add the driver for the TAS2764
  dt-bindings: tas2764: Add the TAS2764 binding doc
  ASoC: Intel: catpt: Add explicit DMADEVICES kconfig dependency
  ASoC: Intel: catpt: Fix compilation when CONFIG_MODULES is disabled
  ASoC: stm32: dfsdm: add actual resolution trace
  ASoC: stm32: dfsdm: change rate limits
  ASoC: qcom: sc7180: Add support for audio over DP
  Asoc: qcom: lpass-platform : Increase buffer size
  ASoC: qcom: Add support for lpass hdmi driver
  Asoc: qcom: lpass:Update lpaif_dmactl members order
  Asoc:qcom:lpass-cpu:Update dts property read API
  ASoC: dt-bindings: Add dt binding for lpass hdmi
  ...
2020-10-15 11:07:44 -07:00
Linus Torvalds
93b694d096 drm next for 5.10-rc1
New driver:
 Cadence MHDP8546 DisplayPort bridge driver
 
 core:
 - cross-driver scatterlist cleanups
 - devm_drm conversions
 - remove drm_dev_init
 - devm_drm_dev_alloc conversion
 
 ttm:
 - lots of refactoring and cleanups
 
 bridges:
 - chained bridge support in more drivers
 
 panel:
 - misc new panels
 
 scheduler:
 - cleanup priority levels
 
 displayport:
 - refactor i915 code into helpers for nouveau
 
 i915:
 - split into display and GT trees
 - WW locking refactoring in GEM
 - execbuf2 extension mechanism
 - syncobj timeline support
 - GEN 12 HOBL display powersaving
 - Rocket Lake display additions
 - Disable FBC on Tigerlake
 - Tigerlake Type-C + DP improvements
 - Hotplug interrupt refactoring
 
 amdgpu:
 - Sienna Cichlid updates
 - Navy Flounder updates
 - DCE6 (SI) support for DC
 - Plane rotation enabled
 - TMZ state info ioctl
 - PCIe DPC recovery support
 - DC interrupt handling refactor
 - OLED panel fixes
 
 amdkfd:
 - add SMI events for thermal throttling
 - SMI interface events ioctl update
 - process eviction counters
 
 radeon:
 - move to dma_ for allocations
 - expose sclk via sysfs
 
 msm:
 - DSI support for sm8150/sm8250
 - per-process GPU pagetable support
 - Displayport support
 
 mediatek:
 - move HDMI phy driver to PHY
 - convert mtk-dpi to bridge API
 - disable mt2701 tmds
 
 tegra:
 - bridge support
 
 exynos:
 - misc cleanups
 
 vc4:
 - dual display cleanups
 
 ast:
 - cleanups
 
 gma500:
 - conversion to GPIOd API
 
 hisilicon:
 - misc reworks
 
 ingenic:
 - clock handling and format improvements
 
 mcde:
 - DSI support
 
 mgag200:
 - desktop g200 support
 
 mxsfb:
 - i.MX7 + i.MX8M
 - alpha plane support
 
 panfrost:
 - devfreq support
 - amlogic SoC support
 
 ps8640:
 - EDID from eDP retrieval
 
 tidss:
 - AM65xx YUV workaround
 
 virtio:
 - virtio-gpu exported resources
 
 rcar-du:
 - R8A7742, R8A774E1 and R8A77961 support
 - YUV planar format fixes
 - non-visible plane handling
 - VSP device reference count fix
 - Kconfig fix to avoid displaying disabled options in .config
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Merge tag 'drm-next-2020-10-15' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Not a major amount of change, the i915 trees got split into display
  and gt trees to better facilitate higher level review, and there's a
  major refactoring of i915 GEM locking to use more core kernel concepts
  (like ww-mutexes). msm gets per-process pagetables, older AMD SI cards
  get DC support, nouveau got a bump in displayport support with common
  code extraction from i915.

  Outside of drm this contains a couple of patches for hexint
  moduleparams which you've acked, and a virtio common code tree that
  you should also get via it's regular path.

  New driver:
   - Cadence MHDP8546 DisplayPort bridge driver

  core:
   - cross-driver scatterlist cleanups
   - devm_drm conversions
   - remove drm_dev_init
   - devm_drm_dev_alloc conversion

  ttm:
   - lots of refactoring and cleanups

  bridges:
   - chained bridge support in more drivers

  panel:
   - misc new panels

  scheduler:
   - cleanup priority levels

  displayport:
   - refactor i915 code into helpers for nouveau

  i915:
   - split into display and GT trees
   - WW locking refactoring in GEM
   - execbuf2 extension mechanism
   - syncobj timeline support
   - GEN 12 HOBL display powersaving
   - Rocket Lake display additions
   - Disable FBC on Tigerlake
   - Tigerlake Type-C + DP improvements
   - Hotplug interrupt refactoring

  amdgpu:
   - Sienna Cichlid updates
   - Navy Flounder updates
   - DCE6 (SI) support for DC
   - Plane rotation enabled
   - TMZ state info ioctl
   - PCIe DPC recovery support
   - DC interrupt handling refactor
   - OLED panel fixes

  amdkfd:
   - add SMI events for thermal throttling
   - SMI interface events ioctl update
   - process eviction counters

  radeon:
   - move to dma_ for allocations
   - expose sclk via sysfs

  msm:
   - DSI support for sm8150/sm8250
   - per-process GPU pagetable support
   - Displayport support

  mediatek:
   - move HDMI phy driver to PHY
   - convert mtk-dpi to bridge API
   - disable mt2701 tmds

  tegra:
   - bridge support

  exynos:
   - misc cleanups

  vc4:
   - dual display cleanups

  ast:
   - cleanups

  gma500:
   - conversion to GPIOd API

  hisilicon:
   - misc reworks

  ingenic:
   - clock handling and format improvements

  mcde:
   - DSI support

  mgag200:
   - desktop g200 support

  mxsfb:
   - i.MX7 + i.MX8M
   - alpha plane support

  panfrost:
   - devfreq support
   - amlogic SoC support

  ps8640:
   - EDID from eDP retrieval

  tidss:
   - AM65xx YUV workaround

  virtio:
   - virtio-gpu exported resources

  rcar-du:
   - R8A7742, R8A774E1 and R8A77961 support
   - YUV planar format fixes
   - non-visible plane handling
   - VSP device reference count fix
   - Kconfig fix to avoid displaying disabled options in .config"

* tag 'drm-next-2020-10-15' of git://anongit.freedesktop.org/drm/drm: (1494 commits)
  drm/ingenic: Fix bad revert
  drm/amdgpu: Fix invalid number of character '{' in amdgpu_acpi_init
  drm/amdgpu: Remove warning for virtual_display
  drm/amdgpu: kfd_initialized can be static
  drm/amd/pm: setup APU dpm clock table in SMU HW initialization
  drm/amdgpu: prevent spurious warning
  drm/amdgpu/swsmu: fix ARC build errors
  drm/amd/display: Fix OPTC_DATA_FORMAT programming
  drm/amd/display: Don't allow pstate if no support in blank
  drm/panfrost: increase readl_relaxed_poll_timeout values
  MAINTAINERS: Update entry for st7703 driver after the rename
  Revert "gpu/drm: ingenic: Add option to mmap GEM buffers cached"
  drm/amd/display: HDMI remote sink need mode validation for Linux
  drm/amd/display: Change to correct unit on audio rate
  drm/amd/display: Avoid set zero in the requested clk
  drm/amdgpu: align frag_end to covered address space
  drm/amdgpu: fix NULL pointer dereference for Renoir
  drm/vmwgfx: fix regression in thp code due to ttm init refactor.
  drm/amdgpu/swsmu: add interrupt work handler for smu11 parts
  drm/amdgpu/swsmu: add interrupt work function
  ...
2020-10-15 10:46:16 -07:00