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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for 4.21
Last set of patches for 4.21. mt76 is still in very active development
and having some refactoring as well as new features. But also other
drivers got few new features and fixes.
Major changes:
ath10k
* add amsdu support for QCA6174 monitor mode
* report tx rate using the new ieee80211_tx_rate_update() API
* wcn3990 support is not experimental anymore
iwlwifi
* support for FW version 43 for 9000 and 22000 series
brcmfmac
* add support for CYW43012 SDIO chipset
* add the raw 4354 PCIe device ID for unprogrammed Cypress boards
mwifiex
* add NL80211_STA_INFO_RX_BITRATE support
mt76
* use the same firmware for mt76x2e and mt76x2u
* mt76x0e survey support
* more unification between mt76x2 and mt76x0
* mt76x0e AP mode support
* mt76x0e DFS support
* rework and fix tx status handling for mt76x0 and mt76x2
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Don't need extern prefix before function prototypes.
Checkpatch has complained about this for a couple of years.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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remove the obsolete sysctl anchors and move auto_assign_helper_warned
to avoid/cover a hole. Reduces size by 40 bytes on 64 bit.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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after moving sysctl handling into single place, the init functions
can't fail anymore and some of the fini functions are empty.
Remove them and change return type to void.
This also simplifies error unwinding in conntrack module init path.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Only one caller, just place it where its needed.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Currently DNS resolvers that send both A and AAAA queries from same source port
can trigger stream mode prematurely, which results in non-early-evictable conntrack entry
for three minutes, even though DNS requests are done in a few milliseconds.
Add a two second grace period where we continue to use the ordinary
30-second default timeout. Its enough for DNS request/response traffic,
even if two request/reply packets are involved.
ASSURED is still set, else conntrack (and thus a possible
NAT mapping ...) gets zapped too in case conntrack table runs full.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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A sockmap program that redirects through a kTLS ULP enabled socket
will not work correctly because the ULP layer is skipped. This
fixes the behavior to call through the ULP layer on redirect to
ensure any operations required on the data stream at the ULP layer
continue to be applied.
To do this we add an internal flag MSG_SENDPAGE_NOPOLICY to avoid
calling the BPF layer on a redirected message. This is
required to avoid calling the BPF layer multiple times (possibly
recursively) which is not the current/expected behavior without
ULPs. In the future we may add a redirect flag if users _do_
want the policy applied again but this would need to work for both
ULP and non-ULP sockets and be opt-in to avoid breaking existing
programs.
Also to avoid polluting the flag space with an internal flag we
reuse the flag space overlapping MSG_SENDPAGE_NOPOLICY with
MSG_WAITFORONE. Here WAITFORONE is specific to recv path and
SENDPAGE_NOPOLICY is only used for sendpage hooks. The last thing
to verify is user space API is masked correctly to ensure the flag
can not be set by user. (Note this needs to be true regardless
because we have internal flags already in-use that user space
should not be able to set). But for completeness we have two UAPI
paths into sendpage, sendfile and splice.
In the sendfile case the function do_sendfile() zero's flags,
./fs/read_write.c:
static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos,
size_t count, loff_t max)
{
...
fl = 0;
#if 0
/*
* We need to debate whether we can enable this or not. The
* man page documents EAGAIN return for the output at least,
* and the application is arguably buggy if it doesn't expect
* EAGAIN on a non-blocking file descriptor.
*/
if (in.file->f_flags & O_NONBLOCK)
fl = SPLICE_F_NONBLOCK;
#endif
file_start_write(out.file);
retval = do_splice_direct(in.file, &pos, out.file, &out_pos, count, fl);
}
In the splice case the pipe_to_sendpage "actor" is used which
masks flags with SPLICE_F_MORE.
./fs/splice.c:
static int pipe_to_sendpage(struct pipe_inode_info *pipe,
struct pipe_buffer *buf, struct splice_desc *sd)
{
...
more = (sd->flags & SPLICE_F_MORE) ? MSG_MORE : 0;
...
}
Confirming what we expect that internal flags are in fact internal
to socket side.
Fixes: d3b18ad31f93 ("tls: add bpf support to sk_msg handling")
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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When a skb verdict program is in-use and either another BPF program
redirects to that socket or the new SK_PASS support is used the
data_ready callback does not wake up application. Instead because
the stream parser/verdict is using the sk data_ready callback we wake
up the stream parser/verdict block.
Fix this by adding a helper to check if the stream parser block is
enabled on the sk and if so call the saved pointer which is the
upper layers wake up function.
This fixes application stalls observed when an application is waiting
for data in a blocking read().
Fixes: d829e9c4112b ("tls: convert to generic sk_msg interface")
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Enforce comment on structure layout dependency with a BUILD_BUG_ON
to ensure the condition is maintained.
Suggested-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Add a method for query port under the uverbs global methods. Current
ib_port_attr struct is passed as a single attribute and port_cap_flags2 is
added as a new attribute to the function.
Signed-off-by: Michael Guralnik <michaelgur@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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port_cap_flags2 represents IBTA PortInfo:CapabilityMask2.
The field safely extends the RDMA_NLDEV_ATTR_CAP_FLAGS operand as it was
exported as 64 bit to allow this kind of extension.
Signed-off-by: Michael Guralnik <michaelgur@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Add a helper to zero fill fields before copying data to
UVERBS_ATTR_STRUCT.
As UVERBS_ATTR_STRUCT can be used as an extensible struct, we want to make
sure that if the user supplies us with a struct that has new fields that
we are not aware of, we return them zeroed to the user.
This helper should be used when using UVERBS_ATTR_STRUCT for an extendable
data structure and there is a need to make sure that extended members of
the struct, that the kernel doesn't handle, are returned zeroed to the
user. This is needed due to the fact that UVERBS_ATTR_STRUCT allows
non-zero values for members after 'last' member.
Signed-off-by: Michael Guralnik <michaelgur@mellanox.com>
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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During testing the command format was changed to close a security
hole. Revise the driver to use the command format that will actually be
supported in GA firmware.
Both the UMEM and UCTX are intended only for use by the kernel and cannot
be executed using a general command.
Since the UMEM and CTX are not part of the general object the caps bits
were moved to be some log_xxx location in the general HCA caps.
The firmware code was adapted as well to match the above.
Fixes: a8b92ca1b0e5 ("IB/mlx5: Introduce DEVX")
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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From git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux
mlx5 updates taken for dependencies on following patches.
* branche 'mlx5-next': (23 commits)
IB/mlx5: Introduce uid as part of alloc/dealloc transport domain
net/mlx5: Add shared Q counter bits
net/mlx5: Continue driver initialization despite debugfs failure
net/mlx5: Fold the modify lag code into function
net/mlx5: Add lag affinity info to log
net/mlx5: Split the activate lag function into two routines
net/mlx5: E-Switch, Introduce flow counter affinity
IB/mlx5: Unify e-switch representors load approach between uplink and VFs
net/mlx5: Use lowercase 'X' for hex values
net/mlx5: Remove duplicated include from eswitch.c
net/mlx5: Remove the get protocol device interface entry
net/mlx5: Support extended destination format in flow steering command
net/mlx5: E-Switch, Change vhca id valid bool field to bit flag
net/mlx5: Introduce extended destination fields
net/mlx5: Revise gre and nvgre key formats
net/mlx5: Add monitor commands layout and event data
net/mlx5: Add support for plugged-disabled cable status in PME
net/mlx5: Add support for PCIe power slot exceeded error in PME
net/mlx5: Rework handling of port module events
net/mlx5: Move flow counters data structures from flow steering header
...
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Lots of conflicts, by happily all cases of overlapping
changes, parallel adds, things of that nature.
Thanks to Stephen Rothwell, Saeed Mahameed, and others
for their guidance in these resolutions.
Signed-off-by: David S. Miller <davem@davemloft.net>
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After commit 5d2ee7122c73, users of sbitmap that need wait queue
handling must use the provided helpers. But we only added
prepare_to_wait()/finish_wait() style helpers, add the equivalent
add_wait_queue/list_del wrappers as we..
This is needed to ensure kyber plays by the sbitmap waitqueue
rules.
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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BACKLIGHT_CLASS_DEVICE is already tristate, but a dependency
FB_BACKLIGHT prevents it from being built as a module. There
doesn't seem to be any particularly good reason for this, so
switch FB_BACKLIGHT over to tristate.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Tested-by: Arnd Bergmann <arnd@arndb.de>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Ulf Magnusson <ulfalizer@gmail.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Hans de Goede <j.w.r.degoede@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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This is helpful for systems where fast startup time is important.
It is especially nice to avoid benchmarking RAID functions that are
never used (for example, BTRFS selects RAID6_PQ even if the parity RAID
mode is not in use).
This saves 250+ milliseconds of boot time on modern x86 and ARM systems
with a dozen or more available implementations.
The new option is defaulted to 'y' to match the previous behavior of
always benchmarking on init.
Signed-off-by: Daniel Verkamp <dverkamp@chromium.org>
Signed-off-by: Shaohua Li <shli@fb.com>
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This is defined in glibc's sys/cdefs.h on my system with the same
definition as the raid6test fallback definition. Add a #ifndef check to
avoid a compiler warning about redefining it.
Signed-off-by: Daniel Verkamp <dverkamp@chromium.org>
Signed-off-by: Shaohua Li <shli@fb.com>
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Add #include <sys/time.h> for gettimeofday() to fix the compiler warning
about an implicitly defined functions.
Signed-off-by: Daniel Verkamp <dverkamp@chromium.org>
Signed-off-by: Shaohua Li <shli@fb.com>
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There are several warnings from Clang about no case statement matching
the constant 0:
In file included from drivers/block/drbd/drbd_receiver.c:48:
In file included from drivers/block/drbd/drbd_int.h:48:
In file included from ./include/linux/drbd_genl_api.h:54:
In file included from ./include/linux/genl_magic_struct.h:236:
./include/linux/drbd_genl.h:321:1: warning: no case matching constant
switch condition '0'
GENL_struct(DRBD_NLA_HELPER, 24, drbd_helper_info,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/genl_magic_struct.h:220:10: note: expanded from macro
'GENL_struct'
switch (0) {
^
Silence this warning by adding a 'case 0:' statement. Additionally,
adjust the alignment of the statements in the ct_assert_unique macro to
avoid a checkpatch warning.
This solution was originally sent by Arnd Bergmann with a default case
statement: https://lore.kernel.org/patchwork/patch/756723/
Link: https://github.com/ClangBuiltLinux/linux/issues/43
Suggested-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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And also re-enable partial-zero-out + discard aligned.
With the introduction of REQ_OP_WRITE_ZEROES,
we started to use that for both WRITE_ZEROES and DISCARDS,
hoping that WRITE_ZEROES would "do what we want",
UNMAP if possible, zero-out the rest.
The example scenario is some LVM "thin" backend.
While an un-allocated block on dm-thin reads as zeroes, on a dm-thin
with "skip_block_zeroing=true", after a partial block write allocated
that block, that same block may well map "undefined old garbage" from
the backends on LBAs that have not yet been written to.
If we cannot distinguish between zero-out and discard on the receiving
side, to avoid "undefined old garbage" to pop up randomly at later times
on supposedly zero-initialized blocks, we'd need to map all discards to
zero-out on the receiving side. But that would potentially do a full
alloc on thinly provisioned backends, even when the expectation was to
unmap/trim/discard/de-allocate.
We need to distinguish on the protocol level, whether we need to guarantee
zeroes (and thus use zero-out, potentially doing the mentioned full-alloc),
or if we want to put the emphasis on discard, and only do a "best effort
zeroing" (by "discarding" blocks aligned to discard-granularity, and zeroing
only potential unaligned head and tail clippings to at least *try* to
avoid "false positives" in an online-verify later), hoping that someone
set skip_block_zeroing=false.
For some discussion regarding this on dm-devel, see also
https://www.mail-archive.com/dm-devel%40redhat.com/msg07965.html
https://www.redhat.com/archives/dm-devel/2018-January/msg00271.html
For backward compatibility, P_TRIM means zero-out, unless the
DRBD_FF_WZEROES feature flag is agreed upon during handshake.
To have upper layers even try to submit WRITE ZEROES requests,
we need to announce "efficient zeroout" independently.
We need to fixup max_write_zeroes_sectors after blk_queue_stack_limits():
if we can handle "zeroes" efficiently on the protocol,
we want to do that, even if our backend does not announce
max_write_zeroes_sectors itself.
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Separate just the changing of mount flags (MS_REMOUNT|MS_BIND) from full
remount because the mount data will get parsed with the new fs_context
stuff prior to doing a remount - and this causes the syscall to fail under
some circumstances.
To quote Eric's explanation:
[...] mount(..., MS_REMOUNT|MS_BIND, ...) now validates the mount options
string, which breaks systemd unit files with ProtectControlGroups=yes
(e.g. systemd-networkd.service) when systemd does the following to
change a cgroup (v1) mount to read-only:
mount(NULL, "/run/systemd/unit-root/sys/fs/cgroup/systemd", NULL,
MS_RDONLY|MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_BIND, NULL)
... when the kernel has CONFIG_CGROUPS=y but no cgroup subsystems
enabled, since in that case the error "cgroup1: Need name or subsystem
set" is hit when the mount options string is empty.
Probably it doesn't make sense to validate the mount options string at
all in the MS_REMOUNT|MS_BIND case, though maybe you had something else
in mind.
This is also worthwhile doing because we will need to add a mount_setattr()
syscall to take over the remount-bind function.
Reported-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Reviewed-by: David Howells <dhowells@redhat.com>
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Only the mount namespace code that implements mount(2) should be using the
MS_* flags. Suppress them inside the kernel unless uapi/linux/mount.h is
included.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Reviewed-by: David Howells <dhowells@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kristo/linux into next/dt
AM65x DT changes for 4.21. Includes:
- Pinctrl support
- I2C support
- ECAP PWM support
- Power domain handling for UARTs
- McSPI support
* tag 'am654-for-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/kristo/linux:
arm64: dts: ti: k3-am654: Enable main domain McSPI0
arm64: dts: ti: k3-am654: Add McSPI DT nodes
arm64: dts: ti: k3-am654: Populate power-domain property for UART nodes
arm64: dts: ti: k3-am654-base-board: Enable ECAP PWM
arm64: dts: ti: k3-am65-main: Add ECAP PWM node
arm64: dts: ti: k3-am654-base-board: Add I2C nodes
arm64: dts: ti: am654-base-board: Add pinmux for main uart0
arm64: dts: ti: k3-am65: Add pinctrl regions
dt-bindings: pinctrl: k3: Introduce pinmux definitions
arm64: dts: ti: k3-am654: Fix wakeup_uart reg address
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers
Qualcomm ARM Based Driver Updates for v4.21 Part 2 - Redo
* Fix SCM compilation error
* tag 'qcom-drivers-for-4.21-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
firmware: qcom: scm: fix compilation error when disabled
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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next/drivers
ARM: Xilinx Zynq SoC patches for v5.0
- Adding pl353 smc driver
* tag 'zynq-soc-for-v5.0' of https://github.com/Xilinx/linux-xlnx:
memory: pl353: Add driver for arm pl353 static memory controller
dt-bindings: memory: Add pl353 smc controller devicetree binding information
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Powerpc has somewhat odd usage where ZONE_DMA is used for all memory on
common 64-bit configfs, and ZONE_DMA32 is used for 31-bit schemes.
Move to a scheme closer to what other architectures use (and I dare to
say the intent of the system):
- ZONE_DMA: optionally for memory < 31-bit (64-bit embedded only)
- ZONE_NORMAL: everything addressable by the kernel
- ZONE_HIGHMEM: memory > 32-bit for 32-bit kernels
Also provide information on how ZONE_DMA is used by defining
ARCH_ZONE_DMA_BITS.
Contains various fixes from Benjamin Herrenschmidt.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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We are compiling PCI code today for systems with ACPI and no PCI
device present. Remove the useless code and reduce the tight
dependency.
Signed-off-by: Sinan Kaya <okaya@kernel.org>
Acked-by: Bjorn Helgaas <bhelgaas@google.com> # PCI parts
Acked-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Allow ACPI to be built without PCI support in place.
Signed-off-by: Sinan Kaya <okaya@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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'arm/omap', 'arm/smmu', 'x86/vt-d', 'x86/amd' and 'core' into next
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Pull networking fixes from David Miller:
1) Off by one in netlink parsing of mac802154_hwsim, from Alexander
Aring.
2) nf_tables RCU usage fix from Taehee Yoo.
3) Flow dissector needs nhoff and thoff clamping, from Stanislav
Fomichev.
4) Missing sin6_flowinfo initialization in SCTP, from Xin Long.
5) Spectrev1 in ipmr and ip6mr, from Gustavo A. R. Silva.
6) Fix r8169 crash when DEBUG_SHIRQ is enabled, from Heiner Kallweit.
7) Fix SKB leak in rtlwifi, from Larry Finger.
8) Fix state pruning in bpf verifier, from Jakub Kicinski.
9) Don't handle completely duplicate fragments as overlapping, from
Michal Kubecek.
10) Fix memory corruption with macb and 64-bit DMA, from Anssi Hannula.
11) Fix TCP fallback socket release in smc, from Myungho Jung.
12) gro_cells_destroy needs to napi_disable, from Lorenzo Bianconi.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (130 commits)
rds: Fix warning.
neighbor: NTF_PROXY is a valid ndm_flag for a dump request
net: mvpp2: fix the phylink mode validation
net/sched: cls_flower: Remove old entries from rhashtable
net/tls: allocate tls context using GFP_ATOMIC
iptunnel: make TUNNEL_FLAGS available in uapi
gro_cell: add napi_disable in gro_cells_destroy
lan743x: Remove MAC Reset from initialization
net/mlx5e: Remove the false indication of software timestamping support
net/mlx5: Typo fix in del_sw_hw_rule
net/mlx5e: RX, Fix wrong early return in receive queue poll
ipv6: explicitly initialize udp6_addr in udp_sock_create6()
bnxt_en: Fix ethtool self-test loopback.
net/rds: remove user triggered WARN_ON in rds_sendmsg
net/rds: fix warn in rds_message_alloc_sgs
ath10k: skip sending quiet mode cmd for WCN3990
mac80211: free skb fraglist before freeing the skb
nl80211: fix memory leak if validate_pae_over_nl80211() fails
net/smc: fix TCP fallback socket release
vxge: ensure data0 is initialized in when fetching firmware version information
...
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We now always return zeroed memory from dma_alloc_coherent. Note that
simply passing GFP_ZERO to dma_alloc_coherent wasn't always doing the
right thing to start with given that various allocators are not backed
by the page allocator and thus would ignore GFP_ZERO.
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Introduce uid as part of alloc/dealloc transport domain to match the
device specification.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
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ip l add dev tun type gretap external
ip r a 10.0.0.1 encap ip dst 192.168.152.171 id 1000 dev gretap
For gretap Key example when the command set the id but don't set the
TUNNEL_KEY flags. There is no key field in the send packet
In the lwtunnel situation, some TUNNEL_FLAGS should can be set by
userspace
Signed-off-by: wenxu <wenxu@ucloud.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduce a 'flags' field to destroy address handle callback and add a
flag that marks whether the callback is executed in an atomic context or
not.
This will allow drivers to wait for completion instead of polling for it
when it is allowed.
Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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vhost structs are shared by vhost-kernel and vhost-user. Split them
into a separate file to ease copying them into programs that implement
either the server or the client side of vhost-user.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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In commit 88c85538, "virtio-blk: add discard and write zeroes features
to specification" (https://github.com/oasis-tcs/virtio-spec), the virtio
block specification has been extended to add VIRTIO_BLK_T_DISCARD and
VIRTIO_BLK_T_WRITE_ZEROES commands. This patch enables support for
discard and write zeroes in the virtio-blk driver when the device
advertises the corresponding features, VIRTIO_BLK_F_DISCARD and
VIRTIO_BLK_F_WRITE_ZEROES.
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Signed-off-by: Daniel Verkamp <dverkamp@chromium.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
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Introduce a 'flags' field to create address handle callback and add a flag
that marks whether the callback is executed in an atomic context or not.
This will allow drivers to wait for completion instead of polling for it
when it is allowed.
Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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this patch registers neigh doit handler. The doit handler
returns a neigh entry given dst and dev. This is similar
to route and fdb doit (get) handlers. Also moves nda_policy
declaration from rtnetlink.c to neighbour.c
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Reviewed-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add constants and data structures to support immediate data. These
changes conform to SRP2r04.
Cc: Sergey Gorenko <sergeygo@mellanox.com>
Cc: Max Gurtovoy <maxg@mellanox.com>
Cc: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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This patch moves all constants that come from the SRP standard into the
include/scsi/srp.h header file.
Cc: Sergey Gorenko <sergeygo@mellanox.com>
Cc: Max Gurtovoy <maxg@mellanox.com>
Cc: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm updates for 4.21
- Large PUD support for HugeTLB
- Single-stepping fixes
- Improved tracing
- Various timer and vgic fixups
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Remove skb->sp and allocate secpath storage via extension
infrastructure. This also reduces sk_buff by 8 bytes on x86_64.
Total size of allyesconfig kernel is reduced slightly, as there is
less inlined code (one conditional atomic op instead of two on
skb_clone).
No differences in throughput in following ipsec performance tests:
- transport mode with aes on 10GB link
- tunnel mode between two network namespaces with aes and null cipher
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Will reduce noise when skb->sp is removed later in this series.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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skb_sec_path gains 'const' qualifier to avoid
xt_policy.c: 'skb_sec_path' discards 'const' qualifier from pointer target type
same reasoning as previous conversions: Won't need to touch these
spots anymore when skb->sp is removed.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Future patch will remove skb->sp pointer.
To reduce noise in those patches, move existing helper to
sk_buff and use it in more places to ease skb->sp replacement later.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It can only return 0 (success) or -ENOMEM.
Change return value to a pointer to secpath struct.
This avoids direct access to skb->sp:
err = secpath_set(skb);
if (!err) ..
skb->sp-> ...
Becomes:
sp = secpath_set(skb)
if (!sp) ..
sp-> ..
This reduces noise in followup patch which is going to remove skb->sp.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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