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Daniel Borkmann says:
====================
The following pull-request contains BPF updates for your *net-next* tree.
The main changes are:
1) Add the ability to use unaligned chunks in the AF_XDP umem. By
relaxing where the chunks can be placed, it allows to use an
arbitrary buffer size and place whenever there is a free
address in the umem. Helps more seamless DPDK AF_XDP driver
integration. Support for i40e, ixgbe and mlx5e, from Kevin and
Maxim.
2) Addition of a wakeup flag for AF_XDP tx and fill rings so the
application can wake up the kernel for rx/tx processing which
avoids busy-spinning of the latter, useful when app and driver
is located on the same core. Support for i40e, ixgbe and mlx5e,
from Magnus and Maxim.
3) bpftool fixes for printf()-like functions so compiler can actually
enforce checks, bpftool build system improvements for custom output
directories, and addition of 'bpftool map freeze' command, from Quentin.
4) Support attaching/detaching XDP programs from 'bpftool net' command,
from Daniel.
5) Automatic xskmap cleanup when AF_XDP socket is released, and several
barrier/{read,write}_once fixes in AF_XDP code, from Björn.
6) Relicense of bpf_helpers.h/bpf_endian.h for future libbpf
inclusion as well as libbpf versioning improvements, from Andrii.
7) Several new BPF kselftests for verifier precision tracking, from Alexei.
8) Several BPF kselftest fixes wrt endianess to run on s390x, from Ilya.
9) And more BPF kselftest improvements all over the place, from Stanislav.
10) Add simple BPF map op cache for nfp driver to batch dumps, from Jakub.
11) AF_XDP socket umem mapping improvements for 32bit archs, from Ivan.
12) Add BPF-to-BPF call and BTF line info support for s390x JIT, from Yauheni.
13) Small optimization in arm64 JIT to spare 1 insns for BPF_MOD, from Jerin.
14) Fix an error check in bpf_tcp_gen_syncookie() helper, from Petar.
15) Various minor fixes and cleanups, from Nathan, Masahiro, Masanari,
Peter, Wei, Yue.
====================
Signed-off-by: David S. Miller <[email protected]>
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peakrate
For high speed adapter like Mellanox CX-5 card, it can reach upto
100 Gbits per second bandwidth. Currently htb already supports 64bit rate
in tc utility. However police action rate and peakrate are still limited
to 32bit value (upto 32 Gbits per second). Add 2 new attributes
TCA_POLICE_RATE64 and TCA_POLICE_RATE64 in kernel for 64bit support
so that tc utility can use them for 64bit rate and peakrate value to
break the 32bit limit, and still keep the backward binary compatibility.
Tested-by: David Dai <[email protected]>
Signed-off-by: David Dai <[email protected]>
Acked-by: Cong Wang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Offloaded OvS datapath rules are translated one to one to tc rules,
for example the following simplified OvS rule:
recirc_id(0),in_port(dev1),eth_type(0x0800),ct_state(-trk) actions:ct(),recirc(2)
Will be translated to the following tc rule:
$ tc filter add dev dev1 ingress \
prio 1 chain 0 proto ip \
flower tcp ct_state -trk \
action ct pipe \
action goto chain 2
Received packets will first travel though tc, and if they aren't stolen
by it, like in the above rule, they will continue to OvS datapath.
Since we already did some actions (action ct in this case) which might
modify the packets, and updated action stats, we would like to continue
the proccessing with the correct recirc_id in OvS (here recirc_id(2))
where we left off.
To support this, introduce a new skb extension for tc, which
will be used for translating tc chain to ovs recirc_id to
handle these miss cases. Last tc chain index will be set
by tc goto chain action and read by OvS datapath.
Signed-off-by: Paul Blakey <[email protected]>
Signed-off-by: Vlad Buslov <[email protected]>
Acked-by: Jiri Pirko <[email protected]>
Acked-by: Pravin B Shelar <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Signed-off-by: Ingo Molnar <[email protected]>
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Remove pciehp_set_attention_status() and use pciehp_set_indicators()
instead, since the code is mostly the same.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Denis Efremov <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Reviewed-by: Kuppuswamy Sathyanarayanan <[email protected]>
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We want to stop using the acronym KMD. Therefore, replace all locations
(except for register names we can't modify) where KMD is written to other
terms such as "Linux kernel driver" or "Host kernel driver", etc.
Signed-off-by: Oded Gabbay <[email protected]>
Reviewed-by: Omer Shpigelman <[email protected]>
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Add a new opcode to INFO IOCTL to retrieve aggregate H/W events. i.e. the
events counters are NOT cleared upon device reset, but count from the
loading of the driver.
Add the code to support it in the device event handling function.
Signed-off-by: Oded Gabbay <[email protected]>
Reviewed-by: Omer Shpigelman <[email protected]>
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Users and sysadmins usually want to know what is the device utilization as
a level 0 indication if they are efficiently using the device.
Add a new opcode to the INFO IOCTL that will return the device utilization
over the last period of 100-1000ms. The return value is 0-100,
representing as percentage the total utilization rate.
Signed-off-by: Oded Gabbay <[email protected]>
Reviewed-by: Omer Shpigelman <[email protected]>
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The Coresight timestamp is enabled for a specific debug session using
the HL_DEBUG_OP_TIMESTAMP opcode of the debug IOCTL.
In order to have a perpetual timestamp that would be comparable between
various debug sessions, this patch moves the timestamp enablement to be
part of the HW initialization.
The HL_DEBUG_OP_TIMESTAMP opcode turns to be deprecated and shouldn't be
used. Old user-space that will call it won't see any change in the
behavior of the debug session.
Signed-off-by: Tomer Tayar <[email protected]>
Reviewed-by: Oded Gabbay <[email protected]>
Signed-off-by: Oded Gabbay <[email protected]>
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When looking at kernel log messages and when debugging user applications,
we only see the queue id. This patch explicitly set the queue id in the
queue enumeration which will be helpful for finding the queue name when we
have its id.
Signed-off-by: Dotan Barak <[email protected]>
Reviewed-by: Oded Gabbay <[email protected]>
Reviewed-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Oded Gabbay <[email protected]>
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This patch adds some in-code documentation on the different opcodes of the
INFO IOCTL.
Signed-off-by: Oded Gabbay <[email protected]>
Reviewed-by: Omer Shpigelman <[email protected]>
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SAE J1939 is the vehicle bus recommended practice used for communication
and diagnostics among vehicle components. Originating in the car and
heavy-duty truck industry in the United States, it is now widely used in
other parts of the world.
J1939, ISO 11783 and NMEA 2000 all share the same high level protocol.
SAE J1939 can be considered the replacement for the older SAE J1708 and
SAE J1587 specifications.
Acked-by: Oliver Hartkopp <[email protected]>
Signed-off-by: Bastian Stender <[email protected]>
Signed-off-by: Elenita Hinds <[email protected]>
Signed-off-by: kbuild test robot <[email protected]>
Signed-off-by: Kurt Van Dijck <[email protected]>
Signed-off-by: Maxime Jayat <[email protected]>
Signed-off-by: Robin van der Gracht <[email protected]>
Signed-off-by: Oleksij Rempel <[email protected]>
Signed-off-by: Marc Kleine-Budde <[email protected]>
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This patch prepares struct sockaddr_can for SAE J1939.
Signed-off-by: Kurt Van Dijck <[email protected]>
Signed-off-by: Oleksij Rempel <[email protected]>
Acked-by: Oliver Hartkopp <[email protected]>
Signed-off-by: Marc Kleine-Budde <[email protected]>
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This patch is a preparation for SAE J1939 and adds CAN_J1939
socket type.
Signed-off-by: Kurt Van Dijck <[email protected]>
Signed-off-by: Oleksij Rempel <[email protected]>
Acked-by: Oliver Hartkopp <[email protected]>
Signed-off-by: Marc Kleine-Budde <[email protected]>
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Guessing the first tty for a gsm0710 multiplexed serial device is not
currently possible, which makes it racy to use with multiple modems.
Add a way to map the physical serial tty to its related mux devices
using an ioctl.
Signed-off-by: Martin Hundebøll <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Introduce support for LINFlex driver, based on:
- the version of Freescale LPUART driver after commit b3e3bf2ef2c7 ("Merge
4.0-rc7 into tty-next");
- commit abf1e0a98083 ("tty: serial: fsl_lpuart: lock port on console
write").
In this basic version, the driver can be tested using initramfs and relies
on the clocks and pin muxing set up by U-Boot.
Remarks concerning the earlycon support:
- LinFlexD does not allow character transmissions in the INIT mode (see
section 47.4.2.1 in the reference manual[1]). Therefore, a mutual
exclusion between the first linflex_setup_watermark/linflex_set_termios
executions and linflex_earlycon_putchar was employed and the characters
normally sent to earlycon during initialization are kept in a buffer and
sent afterwards.
- Empirically, character transmission is also forbidden within the last 1-2
ms before entering the INIT mode, so we use an explicit timeout
(PREINIT_DELAY) between linflex_earlycon_putchar and the first call to
linflex_setup_watermark.
- U-Boot currently uses the UART FIFO mode, while this driver makes the
transition to the buffer mode. Therefore, the earlycon putchar function
matches the U-Boot behavior before initializations and the Linux behavior
after.
[1] https://www.nxp.com/webapp/Download?colCode=S32V234RM
Signed-off-by: Stoica Cosmin-Stefan <[email protected]>
Signed-off-by: Adrian.Nitu <[email protected]>
Signed-off-by: Larisa Grigore <[email protected]>
Signed-off-by: Ana Nedelcu <[email protected]>
Signed-off-by: Mihaela Martinas <[email protected]>
Signed-off-by: Matthew Nunez <[email protected]>
[[email protected]: Reduced for upstreaming and implemented
earlycon support]
Signed-off-by: Stefan-Gabriel Mirea <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Add support to Sunix serial boards with up to 16 ports.
Sunix board need its own setup callback instead of using Timedia's, to
properly support more than 4 ports.
Cc: Morris Ku <[email protected]>
Cc: Debbie Liu <[email protected]>
Signed-off-by: Kai-Heng Feng <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The platform is getting removed, so there are no more users
of this driver.
Signed-off-by: Arnd Bergmann <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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We need the usb fixes in here for testing
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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We need the fixes in here as well for testing and merges
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
USB: Changes for v5.4 merge window
With only 45 non-merge commits, we have a small merge window from the
Gadget perspective.
The biggest change here is the addition of the Cadence USB3 DRD
Driver. All other changes are small, non-critical fixes or smaller new
features like the improvement to BESL handling in dwc3.
Signed-off-by: Felipe Balbi <[email protected]>
* tag 'usb-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb: (45 commits)
usb: gadget: net2280: Add workaround for AB chip Errata 11
usb: gadget: net2280: Move all "ll" registers in one structure
usb: dwc3: gadget: Workaround Mirosoft's BESL check
usb:cdns3 Fix for stuck packets in on-chip OUT buffer.
usb: cdns3: Add Cadence USB3 DRD Driver
usb: common: Simplify usb_decode_get_set_descriptor function.
usb: common: Patch simplify usb_decode_set_clear_feature function.
usb: common: Separated decoding functions from dwc3 driver.
dt-bindings: add binding for USBSS-DRD controller.
usb: gadget: composite: Set recommended BESL values
usb: dwc3: gadget: Set BESL config parameter
usb: dwc3: Separate field holding multiple properties
usb: gadget: Export recommended BESL values
usb: phy: phy-fsl-usb: Make structure fsl_otg_initdata constant
usb: udc: lpc32xx: silence fall-through warning
usb: dwc3: meson-g12a: fix suspend resume regulator unbalanced disables
usb: udc: lpc32xx: remove set but not used 3 variables
usb: gadget: udc: core: Fix segfault if udc_bind_to_driver() for pending driver fails
usb: dwc3: st: Add of_dev_put() in probe function
usb: dwc3: st: Add of_node_put() before return in probe function
...
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Signed-off-by: Ingo Molnar <[email protected]>
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When an application configures kernel TLS on top of a TCP socket, it's
now possible for inet_diag_handler() to collect information regarding the
protocol version, the cipher type and TX / RX configuration, in case
INET_DIAG_INFO is requested.
Signed-off-by: Davide Caratti <[email protected]>
Reviewed-by: Jakub Kicinski <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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currently, only getsockopt(TCP_ULP) can be invoked to know if a ULP is on
top of a TCP socket. Extend idiag_get_aux() and idiag_get_aux_size(),
introduced by commit b37e88407c1d ("inet_diag: allow protocols to provide
additional data"), to report the ULP name and other information that can
be made available by the ULP through optional functions.
Users having CAP_NET_ADMIN privileges will then be able to retrieve this
information through inet_diag_handler, if they specify INET_DIAG_INFO in
the request.
Signed-off-by: Davide Caratti <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Currently, addresses are chunk size aligned. This means, we are very
restricted in terms of where we can place chunk within the umem. For
example, if we have a chunk size of 2k, then our chunks can only be placed
at 0,2k,4k,6k,8k... and so on (ie. every 2k starting from 0).
This patch introduces the ability to use unaligned chunks. With these
changes, we are no longer bound to having to place chunks at a 2k (or
whatever your chunk size is) interval. Since we are no longer dealing with
aligned chunks, they can now cross page boundaries. Checks for page
contiguity have been added in order to keep track of which pages are
followed by a physically contiguous page.
Signed-off-by: Kevin Laatz <[email protected]>
Signed-off-by: Ciara Loftus <[email protected]>
Signed-off-by: Bruce Richardson <[email protected]>
Acked-by: Jonathan Lemon <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
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This is useful for checking how much airtime is being used up by other
transmissions on the channel, e.g. by calculating (time_rx - time_bss_rx)
or (time_busy - time_bss_rx - time_tx)
Signed-off-by: Felix Fietkau <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Johannes Berg <[email protected]>
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Set the recommended BESL deep and baseline values based on the gadget's
configuration parameters to the extended BOS descriptor. This feature
helps to optimize power savings by maximizing the opportunity for longer
L1 residency time.
Signed-off-by: Thinh Nguyen <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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In some cases, ordinary (non-AUX) events can generate data for AUX events.
For example, PEBS events can come out as records in the Intel PT stream
instead of their usual DS records, if configured to do so.
One requirement for such events is to consistently schedule together, to
ensure that the data from the "AUX output" events isn't lost while their
corresponding AUX event is not scheduled. We use grouping to provide this
guarantee: an "AUX output" event can be added to a group where an AUX event
is a group leader, and provided that the former supports writing to the
latter.
Signed-off-by: Alexander Shishkin <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
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SCTP_ECN_SUPPORTED sockopt will be added to allow users to change
ep ecn flag, and it's similar with other feature flags.
Signed-off-by: Xin Long <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Introduce BPF_F_TEST_STATE_FREQ flag to stress test parentage chain
and state pruning.
Signed-off-by: Alexei Starovoitov <[email protected]>
Acked-by: Song Liu <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
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Minor conflict in r8169, bug fix had two versions in net
and net-next, take the net-next hunks.
Signed-off-by: David S. Miller <[email protected]>
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Pull networking fixes from David Miller:
1) Use 32-bit index for tails calls in s390 bpf JIT, from Ilya
Leoshkevich.
2) Fix missed EPOLLOUT events in TCP, from Eric Dumazet. Same fix for
SMC from Jason Baron.
3) ipv6_mc_may_pull() should return 0 for malformed packets, not
-EINVAL. From Stefano Brivio.
4) Don't forget to unpin umem xdp pages in error path of
xdp_umem_reg(). From Ivan Khoronzhuk.
5) Fix sta object leak in mac80211, from Johannes Berg.
6) Fix regression by not configuring PHYLINK on CPU port of bcm_sf2
switches. From Florian Fainelli.
7) Revert DMA sync removal from r8169 which was causing regressions on
some MIPS Loongson platforms. From Heiner Kallweit.
8) Use after free in flow dissector, from Jakub Sitnicki.
9) Fix NULL derefs of net devices during ICMP processing across
collect_md tunnels, from Hangbin Liu.
10) proto_register() memory leaks, from Zhang Lin.
11) Set NLM_F_MULTI flag in multipart netlink messages consistently,
from John Fastabend.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (66 commits)
r8152: Set memory to all 0xFFs on failed reg reads
openvswitch: Fix conntrack cache with timeout
ipv4: mpls: fix mpls_xmit for iptunnel
nexthop: Fix nexthop_num_path for blackhole nexthops
net: rds: add service level support in rds-info
net: route dump netlink NLM_F_MULTI flag missing
s390/qeth: reject oversized SNMP requests
sock: fix potential memory leak in proto_register()
MAINTAINERS: Add phylink keyword to SFF/SFP/SFP+ MODULE SUPPORT
xfrm/xfrm_policy: fix dst dev null pointer dereference in collect_md mode
ipv4/icmp: fix rt dst dev null pointer dereference
openvswitch: Fix log message in ovs conntrack
bpf: allow narrow loads of some sk_reuseport_md fields with offset > 0
bpf: fix use after free in prog symbol exposure
bpf: fix precision tracking in presence of bpf2bpf calls
flow_dissector: Fix potential use-after-free on BPF_PROG_DETACH
Revert "r8169: remove not needed call to dma_sync_single_for_device"
ipv6: propagate ipv6_add_dev's error returns out of ipv6_find_idev
net/ncsi: Fix the payload copying for the request coming from Netlink
qed: Add cleanup in qed_slowpath_start()
...
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This patch implements the delete operation from the ruleset.
It implements a new delete() function in nft_set_rhash. It is simpler
to use than the already existing remove(), because it only takes the set
and the key as arguments, whereas remove() expects a full
nft_set_elem structure.
Signed-off-by: Ander Juaristi <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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Currently user applications can only steer TCP/IP(NIC RX/RX) traffic.
This patch adds RDMA_RX as a new flow type to allow the user to insert
steering rules to control RDMA traffic.
Two destinations are supported(but not set at the same time): devx
flow table object and QP.
Signed-off-by: Mark Zhang <[email protected]>
Signed-off-by: Leon Romanovsky <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Doug Ledford <[email protected]>
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Currently, there is no vlan information (e.g. when used with a vlan aware
bridge) passed to userspache, HWHEADER will contain an 08 00 (ip) suffix
even for tagged ip packets.
Therefore, add an extra netlink attribute that passes the vlan information
to userspace similarly to 15824ab29f for nfqueue.
Signed-off-by: Michael Braun <[email protected]>
Reviewed-by: Florian Westphal <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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This patch introduces meta matches in the kernel for time (a UNIX timestamp),
day (a day of week, represented as an integer between 0-6), and
hour (an hour in the current day, or: number of seconds since midnight).
All values are taken as unsigned 64-bit integers.
The 'time' keyword is internally converted to nanoseconds by nft in
userspace, and hence the timestamp is taken in nanoseconds as well.
Signed-off-by: Ander Juaristi <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
Pull UBIFS and JFFS2 fixes from Richard Weinberger:
"UBIFS:
- Don't block too long in writeback_inodes_sb()
- Fix for a possible overrun of the log head
- Fix double unlock in orphan_delete()
JFFS2:
- Remove C++ style from UAPI header and unbreak picky toolchains"
* tag 'for-linus-5.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
ubifs: Limit the number of pages in shrink_liability
ubifs: Correctly initialize c->min_log_bytes
ubifs: Fix double unlock around orphan_delete()
jffs2: Remove C++ style comments from uapi header
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>From IB specific 7.6.5 SERVICE LEVEL, Service Level (SL)
is used to identify different flows within an IBA subnet.
It is carried in the local route header of the packet.
Before this commit, run "rds-info -I". The outputs are as
below:
"
RDS IB Connections:
LocalAddr RemoteAddr Tos SL LocalDev RemoteDev
192.2.95.3 192.2.95.1 2 0 fe80::21:28:1a:39 fe80::21:28:10:b9
192.2.95.3 192.2.95.1 1 0 fe80::21:28:1a:39 fe80::21:28:10:b9
192.2.95.3 192.2.95.1 0 0 fe80::21:28:1a:39 fe80::21:28:10:b9
"
After this commit, the output is as below:
"
RDS IB Connections:
LocalAddr RemoteAddr Tos SL LocalDev RemoteDev
192.2.95.3 192.2.95.1 2 2 fe80::21:28:1a:39 fe80::21:28:10:b9
192.2.95.3 192.2.95.1 1 1 fe80::21:28:1a:39 fe80::21:28:10:b9
192.2.95.3 192.2.95.1 0 0 fe80::21:28:1a:39 fe80::21:28:10:b9
"
The commit fe3475af3bdf ("net: rds: add per rds connection cache
statistics") adds cache_allocs in struct rds_info_rdma_connection
as below:
struct rds_info_rdma_connection {
...
__u32 rdma_mr_max;
__u32 rdma_mr_size;
__u8 tos;
__u32 cache_allocs;
};
The peer struct in rds-tools of struct rds_info_rdma_connection is as
below:
struct rds_info_rdma_connection {
...
uint32_t rdma_mr_max;
uint32_t rdma_mr_size;
uint8_t tos;
uint8_t sl;
uint32_t cache_allocs;
};
The difference between userspace and kernel is the member variable sl.
In the kernel struct, the member variable sl is missing. This will
introduce risks. So it is necessary to use this commit to avoid this risk.
Fixes: fe3475af3bdf ("net: rds: add per rds connection cache statistics")
CC: Joe Jin <[email protected]>
CC: JUNXIAO_BI <[email protected]>
Suggested-by: Gerd Rausch <[email protected]>
Signed-off-by: Zhu Yanjun <[email protected]>
Acked-by: Santosh Shilimkar <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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EROFS filesystem has been merged into linux-staging for a year.
EROFS is designed to be a better solution of saving extra storage
space with guaranteed end-to-end performance for read-only files
with the help of reduced metadata, fixed-sized output compression
and decompression inplace technologies.
In the past year, EROFS was greatly improved by many people as
a staging driver, self-tested, betaed by a large number of our
internal users, successfully applied to almost all in-service
HUAWEI smartphones as the part of EMUI 9.1 and proven to be stable
enough to be moved out of staging.
EROFS is a self-contained filesystem driver. Although there are
still some TODOs to be more generic, we have a dedicated team
actively keeping on working on EROFS in order to make it better
with the evolution of Linux kernel as the other in-kernel filesystems.
As Pavel suggested, it's better to do as one commit since git
can do moves and all histories will be saved in this way.
Let's promote it from staging and enhance it more actively as
a "real" part of kernel for more wider scenarios!
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Alexander Viro <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Stephen Rothwell <[email protected]>
Cc: Theodore Ts'o <[email protected]>
Cc: Pavel Machek <[email protected]>
Cc: David Sterba <[email protected]>
Cc: Amir Goldstein <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Darrick J . Wong <[email protected]>
Cc: Dave Chinner <[email protected]>
Cc: Jaegeuk Kim <[email protected]>
Cc: Jan Kara <[email protected]>
Cc: Richard Weinberger <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Chao Yu <[email protected]>
Cc: Miao Xie <[email protected]>
Cc: Li Guifu <[email protected]>
Cc: Fang Wei <[email protected]>
Signed-off-by: Gao Xiang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Timestamps are currently communicated to user space as 'struct
timespec', which is not considered y2038 safe since it uses a 32-bit
signed value for seconds.
Fix this while the API is still not part of any official kernel release
by using 64-bit nanoseconds timestamps instead.
Fixes: ca30707dee2b ("drop_monitor: Add packet alert mode")
Fixes: 5e58109b1ea4 ("drop_monitor: Add support for packet alert mode for hardware drops")
Signed-off-by: Ido Schimmel <[email protected]>
Acked-by: Neil Horman <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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'v5.4/vfio/connie-re-arrange-v2', 'v5.4/vfio/hexin-pci-reset-v3', 'v5.4/vfio/parav-mtty-uuid-v2' and 'v5.4/vfio/shameer-iova-list-v8' into v5.4/vfio/next
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In preparation for including the casefold feature within f2fs, elevate
the EXT4_CASEFOLD_FL flag to FS_CASEFOLD_FL.
Signed-off-by: Daniel Rosenberg <[email protected]>
Reviewed-by: Chao Yu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>
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Linux kernel tolerates C++ style comments these days. Actually, the
SPDX License tags for .c files start with //.
On the other hand, uapi headers are written in more strict C, where
the C++ comment style is forbidden.
I simply dropped these lines instead of fixing the comment style.
This code has been always commented out since it was added around
Linux 2.4.9 (i.e. commented out for more than 17 years).
'Maybe later...' will never happen.
Signed-off-by: Masahiro Yamada <[email protected]>
Acked-by: Richard Weinberger <[email protected]>
Signed-off-by: Richard Weinberger <[email protected]>
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drm-next
Most importantly per-process address spaces on GPUs that are capable of
providing proper isolation has finished baking. This is the base for
our softpin implementation, which allows us to support the texture
descriptor buffers used by GC7000 series GPUs without a major UAPI
extension/rework.
Shortlog of notable changes:
- code cleanup from Fabio
- fix performance counters on GC880 and GC2000 GPUs from Christian
- drmP.h header removal from Sam
- per process address space support on MMUv2 GPUs from me
- softpin support from me
Signed-off-by: Dave Airlie <[email protected]>
From: Lucas Stach <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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I opened /sys/kernel/tracing/trace once and kept reading from it.
bpf_trace_printk somehow did not seem to work, no entries were appended
to that trace file. It turns out that tracing is disabled when that file
is open. Save the next person some time and document this.
The trace file is described in Documentation/trace/ftrace.rst, however
the implication "tracing is disabled" did not immediate translate to
"bpf_trace_printk silently discards entries".
Signed-off-by: Peter Wu <[email protected]>
Signed-off-by: Alexei Starovoitov <[email protected]>
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There is no 'struct pt_reg'.
Signed-off-by: Peter Wu <[email protected]>
Reviewed-by: Quentin Monnet <[email protected]>
Signed-off-by: Alexei Starovoitov <[email protected]>
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802.11ay specification defines Enhanced Directional Multi-Gigabit
(EDMG) STA and AP which allow channel bonding of 2 channels and more.
Introduce new NL attributes that are needed for enabling and
configuring EDMG support.
Two new attributes are used by kernel to publish driver's EDMG
capabilities to the userspace:
NL80211_BAND_ATTR_EDMG_CHANNELS - bitmap field that indicates the 2.16
GHz channel(s) that are supported by the driver.
When this attribute is not set it means driver does not support EDMG.
NL80211_BAND_ATTR_EDMG_BW_CONFIG - represent the channel bandwidth
configurations supported by the driver.
Additional two new attributes are used by the userspace for connect
command and for AP configuration:
NL80211_ATTR_WIPHY_EDMG_CHANNELS
NL80211_ATTR_WIPHY_EDMG_BW_CONFIG
New rate info flag - RATE_INFO_FLAGS_EDMG, can be reported from driver
and used for bitrate calculation that will take into account EDMG
according to the 802.11ay specification.
Signed-off-by: Alexei Avshalom Lazar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Johannes Berg <[email protected]>
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Report timestamp of when sta became associated.
This is the boottime clock, units are nano-seconds.
Signed-off-by: Ben Greear <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Johannes Berg <[email protected]>
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In the 802.11ax specification a new band is introduced, which
is also proposed by FCC for unlicensed use. This band is referred
to as 6GHz spanning frequency range from 5925 to 7125 MHz.
Reviewed-by: Pieter-Paul Giesberts <[email protected]>
Reviewed-by: Leon Zegers <[email protected]>
Signed-off-by: Arend van Spriel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Johannes Berg <[email protected]>
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 5.4:
UAPI Changes:
Cross-subsystem Changes:
Core Changes:
- dma-buf: add reservation_object_fences helper, relax
reservation_object_add_shared_fence, remove
reservation_object seq number (and then
restored)
- dma-fence: Shrinkage of the dma_fence structure,
Merge dma_fence_signal and dma_fence_signal_locked,
Store the timestamp in struct dma_fence in a union with
cb_list
Driver Changes:
- More dt-bindings YAML conversions
- More removal of drmP.h includes
- dw-hdmi: Support get_eld and various i2s improvements
- gm12u320: Few fixes
- meson: Global cleanup
- panfrost: Few refactors, Support for GPU heap allocations
- sun4i: Support for DDC enable GPIO
- New panels: TI nspire, NEC NL8048HL11, LG Philips LB035Q02,
Sharp LS037V7DW01, Sony ACX565AKM, Toppoly TD028TTEC1
Toppoly TD043MTEA1
Signed-off-by: Dave Airlie <[email protected]>
[airlied: fixup dma_resv rename fallout]
From: Maxime Ripard <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/20190819141923.7l2adietcr2pioct@flea
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