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This patch builds off of commit 2b246b2569cd2ac6ff700d0dce56b8bae29b1842
and adds functionality to respond to ICMPV6 PROBE requests.
Add icmp_build_probe function to construct PROBE requests for both
ICMPV4 and ICMPV6.
Modify icmpv6_rcv to detect ICMPV6 PROBE messages and call the
icmpv6_echo_reply handler.
Modify icmpv6_echo_reply to build a PROBE response message based on the
queried interface.
This patch has been tested using a branch of the iputils git repo which can
be found here: https://github.com/Juniper-Clinic-2020/iputils/tree/probe-request
Signed-off-by: Andreas Roeseler <andreas.a.roeseler@gmail.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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"action" should not be NULL when it is referenced.
Signed-off-by: gushengxian <13145886936@163.com>
Signed-off-by: gushengxian <gushengxian@yulong.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.
Fixes: d6fce5141929 ("net: sparx5: add switching support")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In case of error, the function devm_ioremap() returns NULL pointer
not ERR_PTR(). The IS_ERR() test in the return value check should
be replaced with NULL test.
Fixes: 3cfa11bac9bb ("net: sparx5: add the basic sparx5 driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It will cause null-ptr-deref if platform_get_resource() returns NULL,
we need check the return value.
Fixes: 3cfa11bac9bb ("net: sparx5: add the basic sparx5 driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2021-06-26
This series provides small updates to mlx5 driver.
1) Increase hairpin buffer size
2) Improve peroformance in SF allocation
3) Add IPsec support to uplink representor
4) Add stats for number of deleted kTLS TX offloaded connections
5) Add support for flow sampler in SW steering
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Vladimir Oltean says:
====================
Cleanup for the bridge replay helpers
This patch series brings some improvements to the logic added to the
bridge and DSA to handle LAG interfaces sandwiched between a bridge and
a DSA switch port.
br0
/ \
/ \
bond0 swp2
/ \
/ \
swp0 swp1
In particular, it ensures that the switchdev object additions and
deletions are well balanced per physical port. This is important for
future work in the area of offloading local bridge FDB entries to
hardware in the context of DSA requesting a replay of those entries at
bridge join time (this will be submitted in a future patch series).
Due to some difficulty ensuring that the deletion of local FDB entries
pointing towards the bridge device itself is notified to switchdev in
time (before the switchdev port disconnects from the bridge), this is
potentially still not the final form in which the replay helpers will
exist. I'm thinking about moving from the pull mode (in which DSA
requests the replay) to a push mode (in which the bridge initiates the
replay). Nonetheless, these preliminary changes are needed either way.
The patch series also addresses some feedback from Nikolai which is long
overdue by now (sorry).
Switchdev driver maintainers were deliberately omitted due to the
trivial nature of the driver changes (just a function prototype).
Changes in v2:
- fix build issue in patch 4 (function prototype mismatch)
- move switchdev object unsync to the NETDEV_PRECHANGEUPPER code path
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a DSA switch port leaves a bonding interface that is under a
bridge, there might be dangling switchdev objects on that port left
behind, because the bridge is not aware that its lower interface (the
bond) changed state in any way.
Call the bridge replay helpers with adding=false before changing
dp->bridge_dev to NULL, because we need to simulate to
dsa_slave_port_obj_del() that these notifications were emitted by the
bridge.
We add this hook to the NETDEV_PRECHANGEUPPER event handler, because
we are calling into switchdev (and the __switchdev_handle_port_obj_del
fanout helpers expect the upper/lower adjacency lists to still be valid)
and PRECHANGEUPPER is the last moment in time when they still are.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to add more logic to the DSA NETDEV_PRECHANGEUPPER event
handler, more exactly we need to request an unsync of switchdev objects.
In order to fit more code, refactor the existing logic into a helper.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a switchdev port leaves a LAG that is a bridge port, the switchdev
objects and port attributes offloaded to that port are not removed:
ip link add br0 type bridge
ip link add bond0 type bond mode 802.3ad
ip link set swp0 master bond0
ip link set bond0 master br0
bridge vlan add dev bond0 vid 100
ip link set swp0 nomaster
VLAN 100 will remain installed on swp0 despite it going into standalone
mode, because as far as the bridge is concerned, nothing ever happened
to its bridge port.
Let's extend the bridge vlan, fdb and mdb replay functions to take a
'bool adding' argument, and make DSA and ocelot call the replay
functions with 'adding' as false from the switchdev unsync path, for the
switch port that leaves the bridge.
Note that this patch in itself does not salvage anything, because in the
current pull mode of operation, DSA still needs to call the replay
helpers with adding=false. This will be done in another patch.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some of the arguments and local variables for the newly added switchdev
replay helpers can be const, so let's make them so.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is a slight inconvenience in the switchdev replay helpers added
recently, and this is when:
ip link add br0 type bridge
ip link add bond0 type bond
ip link set bond0 master br0
bridge vlan add dev bond0 vid 100
ip link set swp0 master bond0
ip link set swp1 master bond0
Since the underlying driver (currently only DSA) asks for a replay of
VLANs when swp0 and swp1 join the LAG because it is bridged, what will
happen is that DSA will try to react twice on the VLAN event for swp0.
This is not really a huge problem right now, because most drivers accept
duplicates since the bridge itself does, but it will become a problem
when we add support for replaying switchdev object deletions.
Let's fix this by adding a blank void *ctx in the replay helpers, which
will be passed on by the bridge in the switchdev notifications. If the
context is NULL, everything is the same as before. But if the context is
populated with a valid pointer, the underlying switchdev driver
(currently DSA) can use the pointer to 'see through' the bridge port
(which in the example above is bond0) and 'know' that the event is only
for a particular physical port offloading that bridge port, and not for
all of them.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the case where the driver asks for a replay of a certain type of
event (port object or attribute) for a bridge port that is a LAG, it may
do so because this port has just joined the LAG.
But there might already be other switchdev ports in that LAG, and it is
preferable that those preexisting switchdev ports do not act upon the
replayed event.
The solution is to add a context to switchdev events, which is NULL most
of the time (when the bridge layer initiates the call) but which can be
set to a value controlled by the switchdev driver when a replay is
requested. The driver can then check the context to figure out if all
ports within the LAG should act upon the switchdev event, or just the
ones that match the context.
We have to modify all switchdev_handle_* helper functions as well as the
prototypes in the drivers that use these helpers too, because these
helpers hide the underlying struct switchdev_notifier_info from us and
there is no way to retrieve the context otherwise.
The context structure will be populated and used in later patches.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Not using this driver, I did not realize it doesn't react to
SWITCHDEV_FDB_{ADD,DEL}_TO_DEVICE notifications, but it implements just
the bridge bypass operations (.ndo_fdb_{add,del}). So the call to
br_fdb_replay just produces notifications that are ignored, delete it
for now.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit 2c4eca3ef716 ("net: bridge: switchdev: include local flag
in FDB notifications"), the bridge emits SWITCHDEV_FDB_ADD_TO_DEVICE
events with the is_local flag populated (but we ignore it nonetheless).
We would like DSA to start treating this bit, but it is still not
populated by the replay helper, so add it there too.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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xdp_rxq_info_unreg() implicitly calls xdp_rxq_info_unreg_mem_model().
This may well be confusing to the driver authors, and lead to double free
if they call xdp_rxq_info_unreg_mem_model() before xdp_rxq_info_unreg()
(when mem model type == MEM_TYPE_PAGE_POOL).
In fact error path of mvpp2_rxq_init() seems to currently do exactly that.
The double free will result in refcount underflow in page_pool_destroy().
Make the interface a little more programmer friendly by clearing type and
id so that xdp_rxq_info_unreg_mem_model() can be called multiple times.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20210625221612.2637086-1-kuba@kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"There's a reasonable amount here and the juicy details are all below.
It's worth noting that the MTE/KASAN changes strayed outside of our
usual directories due to core mm changes and some associated changes
to some other architectures; Andrew asked for us to carry these [1]
rather that take them via the -mm tree.
Summary:
- Optimise SVE switching for CPUs with 128-bit implementations.
- Fix output format from SVE selftest.
- Add support for versions v1.2 and 1.3 of the SMC calling
convention.
- Allow Pointer Authentication to be configured independently for
kernel and userspace.
- PMU driver cleanups for managing IRQ affinity and exposing event
attributes via sysfs.
- KASAN optimisations for both hardware tagging (MTE) and out-of-line
software tagging implementations.
- Relax frame record alignment requirements to facilitate 8-byte
alignment with KASAN and Clang.
- Cleanup of page-table definitions and removal of unused memory
types.
- Reduction of ARCH_DMA_MINALIGN back to 64 bytes.
- Refactoring of our instruction decoding routines and addition of
some missing encodings.
- Move entry code moved into C and hardened against harmful compiler
instrumentation.
- Update booting requirements for the FEAT_HCX feature, added to v8.7
of the architecture.
- Fix resume from idle when pNMI is being used.
- Additional CPU sanity checks for MTE and preparatory changes for
systems where not all of the CPUs support 32-bit EL0.
- Update our kernel string routines to the latest Cortex Strings
implementation.
- Big cleanup of our cache maintenance routines, which were
confusingly named and inconsistent in their implementations.
- Tweak linker flags so that GDB can understand vmlinux when using
RELR relocations.
- Boot path cleanups to enable early initialisation of per-cpu
operations needed by KCSAN.
- Non-critical fixes and miscellaneous cleanup"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (150 commits)
arm64: tlb: fix the TTL value of tlb_get_level
arm64: Restrict undef hook for cpufeature registers
arm64/mm: Rename ARM64_SWAPPER_USES_SECTION_MAPS
arm64: insn: avoid circular include dependency
arm64: smp: Bump debugging information print down to KERN_DEBUG
drivers/perf: fix the missed ida_simple_remove() in ddr_perf_probe()
perf/arm-cmn: Fix invalid pointer when access dtc object sharing the same IRQ number
arm64: suspend: Use cpuidle context helpers in cpu_suspend()
PSCI: Use cpuidle context helpers in psci_cpu_suspend_enter()
arm64: Convert cpu_do_idle() to using cpuidle context helpers
arm64: Add cpuidle context save/restore helpers
arm64: head: fix code comments in set_cpu_boot_mode_flag
arm64: mm: drop unused __pa(__idmap_text_start)
arm64: mm: fix the count comments in compute_indices
arm64/mm: Fix ttbr0 values stored in struct thread_info for software-pan
arm64: mm: Pass original fault address to handle_mm_fault()
arm64/mm: Drop SECTION_[SHIFT|SIZE|MASK]
arm64/mm: Use CONT_PMD_SHIFT for ARM64_MEMSTART_SHIFT
arm64/mm: Drop SWAPPER_INIT_MAP_SIZE
arm64: Conditionally configure PTR_AUTH key of the kernel.
...
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k updates from Geert Uytterhoeven:
- update Finn's email address in MAINTAINERS
- defconfig updates
- minor fixes and improvements
* tag 'm68k-for-v5.14-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: atari: Fix ATARI_KBD_CORE kconfig unmet dependency warning
m68k: defconfig: Update defconfigs for v5.13-rc1
MAINTAINERS, .mailmap: Update Finn Thain's email address
m68k: dma: Remove unnecessary include of asm/cacheflush.h
m68k: Drop -fno-strength-reduce from KBUILD_CFLAGS
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This option at minimum adds extra code to the scheduler - even if
it's default unused - and most users wouldn't want it.
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Michael Chan says:
====================
bnxt_en: Add hardware PTP timestamping support on 575XX devices
Add PTP RX and TX hardware timestamp support on 575XX devices. These
devices use the two-step method to implement the IEEE-1588 timestamping
support.
v2: Add spinlock to serialize access to the timecounter.
Use .do_aux_work() for the periodic timer reading and to get the TX
timestamp from the firmware.
Propagate error code from ptp_clock_register().
Make the 64-bit timer access safe on 32-bit CPUs.
Read PHC using direct register access.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Call bnxt_ptp_init() to initialize and register with the clock driver
to enable PTP support. Call bnxt_ptp_free() to unregister and clean
up during shutdown.
Reviewed-by: Edwin Peer <edwin.peer@broadcom.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Setup the TXBD to enable TX timestamp if requested. At TX packet DMA
completion, if we requested TX timestamp on that packet, we defer to
.do_aux_work() to obtain the TX timestamp from the firmware before we
free the TX SKB.
v2: Use .do_aux_work() to get the TX timestamp from firmware.
Reviewed-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the RX packet is timestamped by the hardware, the RX completion
record will contain the lower 32-bit of the timestamp. This needs
to be combined with the upper 16-bit of the periodic timestamp that
we get from the timer. The previous snapshot in ptp->old_timer is
used to make sure that the snapshot is not ahead of the RX timestamp
and we adjust for wrap-around if needed.
v2: Make ptp->old_time read access safe on 32-bit CPUs.
Reviewed-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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From the bnxt_timer(), read the 48-bit hardware running clock
periodically and store it in ptp->current_time. The previous snapshot
of the clock will be stored in ptp->old_time. The old_time snapshot
will be used in the next patches to compute the RX packet timestamps.
v2: Use .do_aux_work() to read the timer periodically.
Reviewed-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the clock APIs to set/get/adjust the hw clock, and the related
ioctls and ethtool methods.
v2: Propagate error code from ptp_clock_register().
Add spinlock to serialize access to the timecounter. The
timecounter is accessed in process context and the RX datapath.
Read the PHC using direct registers.
Reviewed-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Store PTP hardware info in a structure if hardware and firmware support PTP.
Reviewed-by: Edwin Peer <edwin.peer@broadcom.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adding the PTP related firmware interface is the main change.
There is also a name change for admin_mtu, requiring code fixup.
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Guangbin Huang says:
====================
net: hns3: add new debugfs commands
This series adds three new debugfs commands for the HNS3 ethernet driver.
change log:
V1 -> V2:
1. remove patch "net: hns3: add support for link diagnosis info in debugfs"
and use ethtool extended link state to implement similar function
according to Jakub Kicinski's opinion.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support of dumping MAC umv counter in debugfs,
which will be helpful for debugging.
The display style is below:
$ cat umv_info
num_alloc_vport : 2
max_umv_size : 256
wanted_umv_size : 256
priv_umv_size : 85
share_umv_size : 86
vport(0) used_umv_num : 1
vport(1) used_umv_num : 1
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Previously, the flow director counter is not enabled. To improve the
maintainability for chechking whether flow director hit or not, enable
flow director counter for each function, and add debugfs query inerface
to query the counters for each function.
The debugfs command is below:
cat fd_counter
func_id hit_times
pf 0
vf0 0
vf1 0
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Menglong Dong says:
====================
net: tipc: fix FB_MTU eat two pages and do some code cleanup
In the first patch, FB_MTU is redefined to make sure data size will not
exceed PAGE_SIZE. Besides, I removed the alignment for buf_size in
tipc_buf_acquire, because skb_alloc_fclone will do the alignment job.
In the second patch, I removed align() in msg.c and replace it with
ALIGN().
Changes since V5:
- remove blank line after Fixes in commit log in the first patch
Changes since V4:
- remove ONE_PAGE_SKB_SZ and replace it with one_page_mtu in the first
patch.
- fix some code style problems for the second patch.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The function align() which is defined in msg.c is redundant, replace it
with ALIGN() and introduce a BUF_ALIGN().
Signed-off-by: Menglong Dong <dong.menglong@zte.com.cn>
Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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FB_MTU is used in 'tipc_msg_build()' to alloc smaller skb when memory
allocation fails, which can avoid unnecessary sending failures.
The value of FB_MTU now is 3744, and the data size will be:
(3744 + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) + \
SKB_DATA_ALIGN(BUF_HEADROOM + BUF_TAILROOM + 3))
which is larger than one page(4096), and two pages will be allocated.
To avoid it, replace '3744' with a calculation:
(PAGE_SIZE - SKB_DATA_ALIGN(BUF_OVERHEAD) - \
SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
What's more, alloc_skb_fclone() will call SKB_DATA_ALIGN for data size,
and it's not necessary to make alignment for buf_size in
tipc_buf_acquire(). So, just remove it.
Fixes: 4c94cc2d3d57 ("tipc: fall back to smaller MTU if allocation of local send skb fails")
Signed-off-by: Menglong Dong <dong.menglong@zte.com.cn>
Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 95b88f4d71cb953e02206be3c757083601391a0f ("dm writecache: pause
writeback if cache full and origin being written directly") introduced a
code that pauses cache flushing if we are issuing writes directly to the
origin.
Improve that initial commit by making the timeout code configurable
(via the option "pause_writeback"). Also change the default from 1s to
3s because it performed better.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 splitlock updates from Ingo Molnar:
- Add the "ratelimit:N" parameter to the split_lock_detect= boot
option, to rate-limit the generation of bus-lock exceptions.
This is both easier on system resources and kinder to offending
applications than the current policy of outright killing them.
- Document the split-lock detection feature and its parameters.
* tag 'x86-splitlock-2021-06-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Documentation/x86: Add ratelimit in buslock.rst
Documentation/admin-guide: Add bus lock ratelimit
x86/bus_lock: Set rate limit for bus lock
Documentation/x86: Add buslock.rst
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm update from Ingo Molnar:
"Do not create the x86/init_pkru debugfs file if the CPU doesn't
support PKRU"
* tag 'x86-mm-2021-06-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/pkeys: Skip 'init_pkru' debugfs file creation when pkeys not supported
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/klassert/ipsec-next
Steffen Klassert says:
====================
pull request (net-next): ipsec-next 2021-06-28
1) Remove an unneeded error assignment in esp4_gro_receive().
From Yang Li.
2) Add a new byseq state hashtable to find acquire states faster.
From Sabrina Dubroca.
3) Remove some unnecessary variables in pfkey_create().
From zuoqilin.
4) Remove the unused description from xfrm_type struct.
From Florian Westphal.
5) Fix a spelling mistake in the comment of xfrm_state_ok().
From gushengxian.
6) Replace hdr_off indirections by a small helper function.
From Florian Westphal.
7) Remove xfrm4_output_finish and xfrm6_output_finish declarations,
they are not used anymore.From Antony Antony.
8) Remove xfrm replay indirections.
From Florian Westphal.
Please pull or let me know if there are problems.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 uapi fixlet from Ingo Molnar:
"Fix the <uapi/asm/hwcap2.h> UAPI header to build in user-space too"
* tag 'x86-misc-2021-06-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/elf: Use _BITUL() macro in UAPI headers
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Ingo Molnar:
"Misc cleanups & removal of obsolete code"
* tag 'x86-cleanups-2021-06-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/sgx: Correct kernel-doc's arg name in sgx_encl_release()
doc: Remove references to IBM Calgary
x86/setup: Document that Windows reserves the first MiB
x86/crash: Remove crash_reserve_low_1M()
x86/setup: Remove CONFIG_X86_RESERVE_LOW and reservelow= options
x86/alternative: Align insn bytes vertically
x86: Fix leftover comment typos
x86/asm: Simplify __smp_mb() definition
x86/alternatives: Make the x86nops[] symbol static
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The sample mtty mdev driver doesn't actually enforce the number of
device instances it claims are available. Implement this properly.
Link: https://lore.kernel.org/r/162465624894.3338367.12935940647049917981.stgit@omen
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed by: Kirti Wankhede <kwankhede@nvidia.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 resource control documentation fixes from Ingo Molnar:
"Fix Docbook comments in the x86/resctrl code"
* tag 'x86-cache-2021-06-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/resctrl: Fix kernel-doc in internal.h
x86/resctrl: Fix kernel-doc in pseudo_lock.c
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes berg says:
====================
Lots of changes:
* aggregation handling improvements for some drivers
* hidden AP discovery on 6 GHz and other HE 6 GHz
improvements
* minstrel improvements for no-ack frames
* deferred rate control for TXQs to improve reaction
times
* virtual time-based airtime scheduler
* along with various little cleanups/fixups
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 boot update from Ingo Molnar:
"Modernize the genimage.sh script, add a 'hdimage' target and EFI
support"
* tag 'x86-boot-2021-06-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot: Modernize genimage script; hdimage+EFI support
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Dan Carpenter reported an issue introduced in
commit fde56eea01f9 ("mptcp: refine mptcp_cleanup_rbuf") where a new
boolean (ack_pending) is masked with 0x9.
This is not the intention to ignore values by using a boolean. This
variable should not have a 'bool' type: we should keep the 'u8' to allow
this comparison.
Fixes: fde56eea01f9 ("mptcp: refine mptcp_cleanup_rbuf")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Syzbot reported warning in tcindex_alloc_perfect_hash. The problem
was in too big cp->hash, which triggers warning in kmalloc. Since
cp->hash comes from userspace, there is no need to warn if value
is not correct
Fixes: b9a24bb76bf6 ("net_sched: properly handle failure case of tcf_exts_init()")
Reported-and-tested-by: syzbot+1071ad60cd7df39fdadb@syzkaller.appspotmail.com
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Acked-by: Cong Wang <cong.wang@bytedance.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 asm updates from Ingo Molnar:
- Micro-optimize and standardize the do_syscall_64() calling convention
- Make syscall entry flags clearing more conservative
- Clean up syscall table handling
- Clean up & standardize assembly macros, in preparation of FRED
- Misc cleanups and fixes
* tag 'x86-asm-2021-06-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/asm: Make <asm/asm.h> valid on cross-builds as well
x86/regs: Syscall_get_nr() returns -1 for a non-system call
x86/entry: Split PUSH_AND_CLEAR_REGS into two submacros
x86/syscall: Maximize MSR_SYSCALL_MASK
x86/syscall: Unconditionally prototype {ia32,x32}_sys_call_table[]
x86/entry: Reverse arguments to do_syscall_64()
x86/entry: Unify definitions from <asm/calling.h> and <asm/ptrace-abi.h>
x86/asm: Use _ASM_BYTES() in <asm/nops.h>
x86/asm: Add _ASM_BYTES() macro for a .byte ... opcode sequence
x86/asm: Have the __ASM_FORM macros handle commas in arguments
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Instead of depending on "sysctl" being installed, just use "grep -H" for
sysctl status reporting. Additionally report kernel version for easier
comparisons.
Signed-off-by: Kees Cook <keescook@chromium.org>
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When running the seccomp benchmark under a test runner, it wouldn't
provide any feedback on progress. Set stdout unbuffered.
Suggested-by: Will Drewry <wad@chromium.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
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Since the open fds might not always start at "4" (especially when
running under kselftest, etc), start counting from the first assigned
fd, rather than using the more permissive EXPECT_GE(fd, 0).
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/lkml/20210527032948.3730953-1-keescook@chromium.org
Reviewed-by: Rodrigo Campos <rodrigo@kinvolk.io>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
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This just adds a test to verify that when using the new introduced flag
to ADDFD, a valid fd is added and returned as the syscall result.
Signed-off-by: Rodrigo Campos <rodrigo@kinvolk.io>
Signed-off-by: Sargun Dhillon <sargun@sargun.me>
Acked-by: Tycho Andersen <tycho@tycho.pizza>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210517193908.3113-5-sargun@sargun.me
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