Stanislav Fomichev says:
====================
udp_tunnel: remove rtnl_lock dependency
Recently bnxt had to grow back a bunch of rtnl dependencies because
of udp_tunnel's infra. Add separate (global) mutext to protect
udp_tunnel state.
====================
Link: https://patch.msgid.link/20250616162117.287806-1-stfomichev@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This reverts commit 325eb217e4.
udp_tunnel infra doesn't need RTNL, should be safe to get back
to only netdev instance lock.
Cc: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Stanislav Fomichev <stfomichev@gmail.com>
Link: https://patch.msgid.link/20250616162117.287806-7-stfomichev@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Now that there is only one path in udp_tunnel, there is no need to
have udp_ports_sleep knob. Remove it and adjust the test.
Cc: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Stanislav Fomichev <stfomichev@gmail.com>
Link: https://patch.msgid.link/20250616162117.287806-6-stfomichev@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The existing netdev_ops_assert_locked() already asserts that either
the RTNL lock or the per-device lock is held, making the explicit
ASSERT_RTNL() redundant.
Cc: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Stanislav Fomichev <stfomichev@gmail.com>
Link: https://patch.msgid.link/20250616162117.287806-5-stfomichev@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Drivers that are using ops lock and don't depend on RTNL lock
still need to manage it because udp_tunnel's RTNL dependency.
Introduce new udp_tunnel_nic_lock and use it instead of
rtnl_lock. Drop non-UDP_TUNNEL_NIC_INFO_MAY_SLEEP mode from
udp_tunnel infra (udp_tunnel_nic_device_sync_work needs to
grab udp_tunnel_nic_lock mutex and might sleep).
Cover more places in v4:
- netlink
- udp_tunnel_notify_add_rx_port (ndo_open)
- triggers udp_tunnel_nic_device_sync_work
- udp_tunnel_notify_del_rx_port (ndo_stop)
- triggers udp_tunnel_nic_device_sync_work
- udp_tunnel_get_rx_info (__netdev_update_features)
- triggers NETDEV_UDP_TUNNEL_PUSH_INFO
- udp_tunnel_drop_rx_info (__netdev_update_features)
- triggers NETDEV_UDP_TUNNEL_DROP_INFO
- udp_tunnel_nic_reset_ntf (ndo_open)
- notifiers
- udp_tunnel_nic_netdevice_event, depending on the event:
- triggers NETDEV_UDP_TUNNEL_PUSH_INFO
- triggers NETDEV_UDP_TUNNEL_DROP_INFO
- ethnl_tunnel_info_reply_size
- udp_tunnel_nic_set_port_priv (two intel drivers)
Cc: Michael Chan <michael.chan@broadcom.com>
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Stanislav Fomichev <stfomichev@gmail.com>
Link: https://patch.msgid.link/20250616162117.287806-4-stfomichev@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We won't be able to sleep soon in vxlan_offload_rx_ports and won't be
able to grab sock_lock. Instead of having separate spinlock to
manage sockets, rely on rtnl lock. This is similar to how geneve
manages its sockets.
Signed-off-by: Stanislav Fomichev <stfomichev@gmail.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/20250616162117.287806-3-stfomichev@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
udp_tunnel_push_rx_port will grab mutex in the next patch so
we can't use rcu. geneve_offload_rx_ports is called
from geneve_netdevice_event for NETDEV_UDP_TUNNEL_PUSH_INFO and
NETDEV_UDP_TUNNEL_DROP_INFO which both have ASSERT_RTNL.
Entries are added to and removed from the sock_list under rtnl
lock as well (when adding or removing a tunneling device).
Signed-off-by: Stanislav Fomichev <stfomichev@gmail.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/20250616162117.287806-2-stfomichev@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
BPF_MAP_TYPE_LRU_HASH can recycle most recent elements well before the
map is full, due to percpu reservations and force shrink before
neighbor stealing. Once a CPU is unable to borrow from the global map,
it will once steal one elem from a neighbor and after that each time
flush this one element to the global list and immediately recycle it.
Batch value LOCAL_FREE_TARGET (128) will exhaust a 10K element map
with 79 CPUs. CPU 79 will observe this behavior even while its
neighbors hold 78 * 127 + 1 * 15 == 9921 free elements (99%).
CPUs need not be active concurrently. The issue can appear with
affinity migration, e.g., irqbalance. Each CPU can reserve and then
hold onto its 128 elements indefinitely.
Avoid global list exhaustion by limiting aggregate percpu caches to
half of map size, by adjusting LOCAL_FREE_TARGET based on cpu count.
This change has no effect on sufficiently large tables.
Similar to LOCAL_NR_SCANS and lru->nr_scans, introduce a map variable
lru->free_target. The extra field fits in a hole in struct bpf_lru.
The cacheline is already warm where read in the hot path. The field is
only accessed with the lru lock held.
Tested-by: Anton Protopopov <a.s.protopopov@gmail.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://lore.kernel.org/r/20250618215803.3587312-1-willemdebruijn.kernel@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Convert the Alphascale Clock Controller binding to DT schema format.
Add the undocumented 'clocks' property which is used in DTS. Drop the
clock defines and consumer examples from the old binding.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250521004712.1793193-1-robh@kernel.org
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Convert the Marvell Armada 3xx Core Divider clock binding to DT schema
format.
Add the missing "marvell,armada-390-corediv-clock" compatible and
"clock-output-names" property.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250521211840.77487-1-robh@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Convert the Marvell Armada 3700 peripheral clock binding to DT schema
format. The north bridge is also a "syscon", so add the compatible to
it.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250521211826.77098-1-robh@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Convert the Marvell Dove PLL divider clock binding to DT schema format.
It's a straight forward conversion.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250521210832.62177-1-robh@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Convert the Marvell Armada 3700 TBG clock binding to DT schema format.
It's a straight forward conversion.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250521210826.61957-1-robh@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Convert the Marvell Armada XP CPU clock binding to DT schema format.
It's a straight forward conversion.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250521210806.61286-1-robh@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Convert the TI-NSPIRE clock bindings to DT schema format. It's a
straight forward conversion.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250521210750.60759-1-robh@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Convert the Broadcom BCM2835 CPRMAN clock binding to DT schema format.
It's a straight forward conversion.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250521004625.1791913-1-robh@kernel.org
Reviewed-by: Stefan Wahren <wahrenst@gmx.net>
[sboyd@kernel.org: Add list to maintainers]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Convert the APM XGene clocks to DT schema. The device clock binding is
a bit different from the others, so put it in its own schema file.
Drop the examples.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250521004655.1792703-1-robh@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
David Wei says:
====================
net: fix passive TFO socket having invalid NAPI ID
Found a bug where an accepted passive TFO socket returns an invalid NAPI
ID (i.e. 0) from SO_INCOMING_NAPI_ID. Add a selftest for this using
netdevsim and fix the bug.
Patch 1 is a drive-by fix for the lib.sh include in an existing
drivers/net/netdevsim/peer.sh selftest.
Patch 2 adds a test binary for a simple TFO server/client.
Patch 3 adds a selftest for checking that the NAPI ID of a passive TFO
socket is valid. This will currently fail.
Patch 4 adds a fix for the bug.
====================
Link: https://patch.msgid.link/20250617212102.175711-1-dw@davidwei.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There is a bug with passive TFO sockets returning an invalid NAPI ID 0
from SO_INCOMING_NAPI_ID. Normally this is not an issue, but zero copy
receive relies on a correct NAPI ID to process sockets on the right
queue.
Fix by adding a sk_mark_napi_id_set().
Fixes: e5907459ce ("tcp: Record Rx hash and NAPI ID in tcp_child_process")
Signed-off-by: David Wei <dw@davidwei.uk>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250617212102.175711-5-dw@davidwei.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add a simple passive TFO server and client test binary. This will be
used to test the SO_INCOMING_NAPI_ID of passive TFO accepted sockets.
Signed-off-by: David Wei <dw@davidwei.uk>
Link: https://patch.msgid.link/20250617212102.175711-3-dw@davidwei.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This effectively reverts 6e8b0ff1ba ("dpaa_eth: Add change_carrier()
for Fixed PHYs"). Usage of fixed_phy_change_carrier() requires that
fixed_phy_register() has been called before, directly or indirectly.
And that's not the case in this driver.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/7eb189b3-d5fd-4be6-8517-a66671a4e4e3@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag '6.16-rc2-ksmbd-server-fixes' of git://git.samba.org/ksmbd
Pull smb server fixes from Steve French:
- Fix alternate data streams bug
- Important fix for null pointer deref with Kerberos authentication
- Fix oops in smbdirect (RDMA) in free_transport
* tag '6.16-rc2-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: handle set/get info file for streamed file
ksmbd: fix null pointer dereference in destroy_previous_session
ksmbd: add free_transport ops in ksmbd connection
Introduce wildcat lake device Id.
Wildcat Lake uses slightly different graphics and media IP versions
than Panther Lake, but can still be treated as PTL for general driver
flows.
Bspec: 73951
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Reviewed-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
Link: https://lore.kernel.org/r/20250613193146.3549862-7-dnyaneshwar.bhadane@intel.com
Media version 30.02 should be treated the same as other Xe3 IP, but
will have a slightly different set of workarounds.
-v2: Extend the range in existing WA entry (Bala)
-v3: Revert v2, Do not extend the range for the time being(Matt)
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Reviewed-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
Link: https://lore.kernel.org/r/20250613193146.3549862-4-dnyaneshwar.bhadane@intel.com
Graphics version 30.03 should be treated the same as other Xe3 IP, but
will have a slightly different set of workarounds.
-v2: Merge and extend the WA onto existing entry (Bala)
-v3: Revert v2's feedback changes and keep entry saparate (Matt).
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Reviewed-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@inte.com>
Link: https://lore.kernel.org/r/20250613193146.3549862-3-dnyaneshwar.bhadane@intel.com
Display version 30.02 should be treated the same as other Xe3 IP, but
will have a slightly different set of workarounds.
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/20250613193146.3549862-2-dnyaneshwar.bhadane@intel.com
After the commit 0014f65e3d ("pm: cpupower: remove hard-coded
topology depth values"), "cpupower monitor" output ceased to print the
CORE and the CPU fields on a multi-socket platform.
The reason for this is that the patch changed the behaviour to break
out of the switch-case after printing the PKG details, while prior to
the patch, the CORE and the CPU details would also get printed since
the "if" condition check would pass for any level whose topology depth
was lesser than that of a package.
Fix this ensuring all the details below a desired topology depth are
printed in the cpupower monitor output.
Link: https://lore.kernel.org/r/20250612122355.19629-3-gautham.shenoy@amd.com
Fixes: 0014f65e3d ("pm: cpupower: remove hard-coded topology depth values")
Signed-off-by: Gautham R. Shenoy <gautham.shenoy@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
In the function mperf_start(), mperf_monitor snapshots the time, tsc
and finally the aperf,mperf MSRs. However, this order of snapshotting
in is reversed in mperf_stop(). As a result, the C0 residency (which
is computed as delta_mperf * 100 / delta_tsc) is under-reported on
CPUs that is 100% busy.
Fix this by snapshotting time, tsc and then aperf,mperf in
mperf_stop() in the same order as in mperf_start().
Link: https://lore.kernel.org/r/20250612122355.19629-2-gautham.shenoy@amd.com
Signed-off-by: Gautham R. Shenoy <gautham.shenoy@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
The CMN PLL in IPQ5424 SoC supplies the fixed clock to NSS at 300 MHZ
and to PPE at 375 MHZ. Other output clocks from CMN PLL on this SoC,
and their rates are same as IPQ9574.
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Luo Jie <quic_luoj@quicinc.com>
Link: https://lore.kernel.org/r/20250610-qcom_ipq5424_cmnpll-v3-2-ceada8165645@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Merge the IPQ5424 CMN PLL binding through a topic branch, to allow the
newly introduced clock constants to be made available to the DeviceTree
branch as well.
The CMN PLL block in the IPQ5424 SoC takes 48 MHZ as the reference
input clock. The output clocks are the same as IPQ9574 SoC, except
for the clock rate of output clocks to PPE and NSS.
Also, add the new header file to export the CMN PLL output clock
specifiers for IPQ5424 SoC.
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Luo Jie <quic_luoj@quicinc.com>
Link: https://lore.kernel.org/r/20250610-qcom_ipq5424_cmnpll-v3-1-ceada8165645@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
wa_16023981245 need to be extended for display version 30.02
Signed-off-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Reviewed-by: Sai Teja Pottumuttu <sai.teja.pottumuttu@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20250613193146.3549862-10-dnyaneshwar.bhadane@intel.com
WCL added a c10 phy connected to port B. PTL code is currently
restricting c10 to phy_a only.
PTL doesn't have a PHY connected to PORT B; as such,there will
never be a case where PTL uses PHY B.
WCL uses PORT A and B with the C10 PHY.Reusing the condition
for WCL and extending it for PORT B should not cause any issues
for PTL.
-v2: Reuse and extend PTL condition for WCL (Matt)
Bspec: 73944
Signed-off-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20250613193146.3549862-9-dnyaneshwar.bhadane@intel.com
Display version 30.02 should be treated the same as other Xe3 IP.
So exteding DMC load path the condition for it.
Signed-off-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Reviewed-by: Sai Teja Pottumuttu <sai.teja.pottumuttu@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20250613193146.3549862-8-dnyaneshwar.bhadane@intel.com
Display version 30.02 has a lower max cdclk rate than 30.00.
Bspec: 68861
Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com>
Signed-off-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20250613193146.3549862-6-dnyaneshwar.bhadane@intel.com
Bandwidth parameters for WCL have been updated with respect to
previous display releases. Encode them into xe3lpd_3002_sa_info and use
that new struct.
-v2: Resolve conflict to apply patch.
Bspec: 68859
Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com>
Signed-off-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20250613193146.3549862-5-dnyaneshwar.bhadane@intel.com
fstest reports a f2fs bug:
generic/363 42s ... [failed, exit status 1]- output mismatch (see /share/git/fstests/results//generic/363.out.bad)
--- tests/generic/363.out 2025-01-12 21:57:40.271440542 +0800
+++ /share/git/fstests/results//generic/363.out.bad 2025-05-19 19:55:58.000000000 +0800
@@ -1,2 +1,78 @@
QA output created by 363
fsx -q -S 0 -e 1 -N 100000
+READ BAD DATA: offset = 0xd6fb, size = 0xf044, fname = /mnt/f2fs/junk
+OFFSET GOOD BAD RANGE
+0x1540d 0x0000 0x2a25 0x0
+operation# (mod 256) for the bad data may be 37
+0x1540e 0x0000 0x2527 0x1
...
(Run 'diff -u /share/git/fstests/tests/generic/363.out /share/git/fstests/results//generic/363.out.bad' to see the entire diff)
Ran: generic/363
Failures: generic/363
Failed 1 of 1 tests
The root cause is user can update post-eof page via mmap [1], however, f2fs
missed to zero post-eof page in below operations, so, once it expands i_size,
then it will include dummy data locates previous post-eof page, so during
below operations, we need to zero post-eof page.
Operations which can include dummy data after previous i_size after expanding
i_size:
- write
- mapwrite [1]
- truncate
- fallocate
* preallocate
* zero_range
* insert_range
* collapse_range
- clone_range (doesn’t support in f2fs)
- copy_range (doesn’t support in f2fs)
[1] https://man7.org/linux/man-pages/man2/mmap.2.html 'BUG section'
Cc: stable@kernel.org
Signed-off-by: Chao Yu <chao@kernel.org>
Reviewed-by: Zhiguo Niu <zhiguo.niu@unisoc.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
- Fix a race condition in Devres::drop(). This depends on two other
patches:
- (Minimal) Rust abstractions for struct completion.
- Let Revocable indicate whether its data is already being revoked.
- Fix Devres to avoid exposing the internal Revocable.
- Add .mailmap entry for Danilo Krummrich.
- Add Madhavan Srinivasan to embargoed-hardware-issues.rst.
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Merge tag 'driver-core-6.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core
Pull driver core fixes from Danilo Krummrich:
- Fix a race condition in Devres::drop(). This depends on two other
patches:
- (Minimal) Rust abstractions for struct completion
- Let Revocable indicate whether its data is already being revoked
- Fix Devres to avoid exposing the internal Revocable
- Add .mailmap entry for Danilo Krummrich
- Add Madhavan Srinivasan to embargoed-hardware-issues.rst
* tag 'driver-core-6.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core:
Documentation: embargoed-hardware-issues.rst: Add myself for Power
mailmap: add entry for Danilo Krummrich
rust: devres: do not dereference to the internal Revocable
rust: devres: fix race in Devres::drop()
rust: revocable: indicate whether `data` has been revoked already
rust: completion: implement initial abstraction
Add new TRAILING_OVERLAP() helper macro to create a union between
a flexible-array member (FAM) and a set of members that would
otherwise follow it. This overlays the trailing members onto the
FAM while preserving the original memory layout.
Co-developed-by: Kees Cook <kees@kernel.org>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/aFG8gEwKXAWWIvX0@kspp
Signed-off-by: Kees Cook <kees@kernel.org>
