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Fix an obvious violation of lock ordering.
Jakub's [1] added netdev_lock() call that is wrong ordered wrt RTNL,
but the Fixes tag points to crit_lock being wrongly placed (by lockdep
standards).
Actual reason we got it wrong is dated back to critical section managed by
pure flag checks, which is with us since the very beginning.
[1] afc664987ab3 ("eth: iavf: extend the netdev_lock usage")
Fixes: 5ac49f3c2702 ("iavf: use mutexes for locking of critical sections")
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata updates from Damien Le Moal:
- Simplify ata_print_version_once() using dev_dbg_once() (Heiner)
- Some cleanups of libata-sata code to simplify the sense data fetching
code and use BIT() macro for tag bit handling (Niklas)
- Fix variable name spelling in the sata_sx4 driver (Colin)
- Improve sense data information field handling for passthrough
commands (Igor)
- Add Rockchip RK3576 SoC compatible to the Designware AHCI DT bindings
(Nicolas)
- Add a message to indicate if a port is marked as external or not, to
help with debugging potential issues with LPM (Niklas)
- Convert DT bindings for "ti,dm816-ahci", "apm,xgene-ahci",
"cavium,ebt3000-compact-flash", "marvell,orion-sata", and
"arasan,cf-spear1340" to DT schema (Rob)
- Cleanup and improve the code and related comments for HIPM and DIPM
(host initiated and device initiated power managent) handling.
In particular, keep DIPM disabled while modifying the allowed LPM
states to avoid races with the device initiating power state changes
(Niklas)
* tag 'ata-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: libata-eh: Keep DIPM disabled while modifying the allowed LPM states
ata: libata-eh: Rename no_dipm variable to be more clear
ata: libata-eh: Rename hipm and dipm variables
ata: libata-eh: Add ata_eh_set_lpm() WARN_ON_ONCE
ata: libata-eh: Update DIPM comments to reflect reality
dt-bindings: ata: Convert arasan,cf-spear1340 to DT schema
dt-bindings: ata: Convert marvell,orion-sata to DT schema
dt-bindings: ata: Convert cavium,ebt3000-compact-flash to DT schema
dt-bindings: ata: Convert apm,xgene-ahci to DT schema
dt-bindings: ata: Convert st,ahci to DT schema
dt-bindings: ata: Convert ti,dm816-ahci to DT schema
ata: libata: Print if port is external on boot
dt-bindings: ata: rockchip-dwc-ahci: add RK3576 compatible
ata: libata-scsi: Do not set the INFORMATION field twice for ATA PT
ata: sata_sx4: Fix spelling mistake "parttern" -> "pattern"
ata: libata-sata: Use BIT() macro to convert tag to bit field
ata: libata-sata: Simplify sense_valid fetching
ata: libata-core: Simplify ata_print_version_once
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers:
- KEBA fan controller
- KEBA battery monitoring controller
- MAX77705
Support added to existing drivers:
- MAXIMUS VI HERO and ROG MAXIMUS Z90 Formula support (asus-ec-sensors)
- SQ52206 support (ina238)
- lt3074 support (pmbus/lt3074)
- ADPM12160 support (pmbus/max34440)
- MPM82504 and for MPM3695 family support (pmbus/mpq8785)
- Add the Dell OptiPlex 7050 to the DMI whitelist (dell-smm)
- Zen5 Ryzen Desktop support (k10temp)
Various other minor fixes and improvements"
* tag 'hwmon-for-v6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (48 commits)
doc: hwmon: acpi_power_meter: Add information about enabling the power capping feature.
hwmon: (isl28022) Fix current reading calculation
hwmon: (lm75) Fix I3C transfer buffer pointer for incoming data
hwmon: Add KEBA fan controller support
hwmon: pmbus: mpq8785: Add support for MPM3695 family
hwmon: pmbus: mpq8785: Add support for MPM82504
hwmon: pmbus: mpq8785: Implement VOUT feedback resistor divider ratio configuration
hwmon: pmbus: mpq8785: Prepare driver for multiple device support
dt-bindings: hwmon: Add bindings for mpq8785 driver
hwmon: (ina238) Modify the calculation formula to adapt to different chips
hwmon: (ina238) Add support for SQ52206
dt-bindings: Add SQ52206 to ina2xx devicetree bindings
hwmon: (ina238) Add ina238_config to save configurations for different chips
hwmon: (ausus-ec-sensors) add MAXIMUS VI HERO.
hwmon: (isl28022, nct7363) Convert to use maple tree register cache
hwmon: (asus-ec-sensors) check sensor index in read_string()
hwmon: (asus-ec-sensors) add ROG MAXIMUS Z90 Formula.
dt-bindings: hwmon: Add Sophgo SG2044 external hardware monitor support
hwmon: (max77705) Add initial support
hwmon: (tmp102) add vcc regulator support
...
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Pull xtensa updates from Max Filippov:
- migrate to the generic rule for built-in DTB
- cleanups in code and common_defconfig
* tag 'xtensa-20250603' of https://github.com/jcmvbkbc/linux-xtensa:
arch: xtensa: defconfig: Drop obsolete CONFIG_NET_CLS_TCINDEX
xtensa: migrate to the generic rule for built-in DTB
xtensa: ptrace: Remove zero-length alignment array
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Fix copy paste mistake in board name.
Fixes: f1e282c333ac ("ASoC: Intel: avs: boards: Change rt5663 card name")
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Link: https://patch.msgid.link/20250603145244.871239-1-amadeuszx.slawinski@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv updates from Wei Liu:
- Support for Virtual Trust Level (VTL) on arm64 (Roman Kisel)
- Fixes for Hyper-V UIO driver (Long Li)
- Fixes for Hyper-V PCI driver (Michael Kelley)
- Select CONFIG_SYSFB for Hyper-V guests (Michael Kelley)
- Documentation updates for Hyper-V VMBus (Michael Kelley)
- Enhance logging for hv_kvp_daemon (Shradha Gupta)
* tag 'hyperv-next-signed-20250602' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: (23 commits)
Drivers: hv: Always select CONFIG_SYSFB for Hyper-V guests
Drivers: hv: vmbus: Add comments about races with "channels" sysfs dir
Documentation: hyperv: Update VMBus doc with new features and info
PCI: hv: Remove unnecessary flex array in struct pci_packet
Drivers: hv: Remove hv_alloc/free_* helpers
Drivers: hv: Use kzalloc for panic page allocation
uio_hv_generic: Align ring size to system page
uio_hv_generic: Use correct size for interrupt and monitor pages
Drivers: hv: Allocate interrupt and monitor pages aligned to system page boundary
arch/x86: Provide the CPU number in the wakeup AP callback
x86/hyperv: Fix APIC ID and VP index confusion in hv_snp_boot_ap()
PCI: hv: Get vPCI MSI IRQ domain from DeviceTree
ACPI: irq: Introduce acpi_get_gsi_dispatcher()
Drivers: hv: vmbus: Introduce hv_get_vmbus_root_device()
Drivers: hv: vmbus: Get the IRQ number from DeviceTree
dt-bindings: microsoft,vmbus: Add interrupt and DMA coherence properties
arm64, x86: hyperv: Report the VTL the system boots in
arm64: hyperv: Initialize the Virtual Trust Level field
Drivers: hv: Provide arch-neutral implementation of get_vtl()
Drivers: hv: Enable VTL mode for arm64
...
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
"Fix a loongarch header regression and a module name collision on s390"
* tag 'v6.16-p3' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
asm-generic: Add sched.h inclusion in simd.h
crypto: s390/sha256 - rename module to sha256-s390
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Pull bitmap updates from Yury Norov:
- dead code cleanups for cpumasks and nodemasks (me)
- fixed-width flavors of GENMASK() and BIT() (Vincent, Lucas and me)
- FIELD_MODIFY() helper (Luo)
- for_each_node_with_cpus() optimization (me)
- bitmap-str fixes (Andy)
* tag 'bitmap-for-6.16-rc1' of https://github.com/norov/linux:
topology: make for_each_node_with_cpus() O(N)
bitfield: Add FIELD_MODIFY() helper
bitmap-str: Add missing header(s)
bitmap-str: Get rid of 'extern' for function prototypes
build_bug.h: more user friendly error messages in BUILD_BUG_ON_ZERO()
test_bits: add tests for BIT_U*()
test_bits: add tests for GENMASK_U*()
drm/i915: Convert REG_GENMASK*() to fixed-width GENMASK_U*()
bits: introduce fixed-type BIT_U*()
bits: introduce fixed-type GENMASK_U*()
bits: add comments and newlines to #if, #else and #endif directives
cpumask: drop cpumask_assign_cpu()
riscv: switch set_icache_stale_mask() to using non-atomic assign_cpu()
cpumask: add non-atomic __assign_cpu()
nodemask: drop nodes_shift
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io_bitmap_exit() is invoked from exit_thread() when a task exists or
when a fork fails. In the latter case the exit_thread() cleans up
resources which were allocated during fork().
io_bitmap_exit() invokes task_update_io_bitmap(), which in turn ends up
in tss_update_io_bitmap(). tss_update_io_bitmap() operates on the
current task. If current has TIF_IO_BITMAP set, but no bitmap installed,
tss_update_io_bitmap() crashes with a NULL pointer dereference.
There are two issues, which lead to that problem:
1) io_bitmap_exit() should not invoke task_update_io_bitmap() when
the task, which is cleaned up, is not the current task. That's a
clear indicator for a cleanup after a failed fork().
2) A task should not have TIF_IO_BITMAP set and neither a bitmap
installed nor IOPL emulation level 3 activated.
This happens when a kernel thread is created in the context of
a user space thread, which has TIF_IO_BITMAP set as the thread
flags are copied and the IO bitmap pointer is cleared.
Other than in the failed fork() case this has no impact because
kernel threads including IO workers never return to user space and
therefore never invoke tss_update_io_bitmap().
Cure this by adding the missing cleanups and checks:
1) Prevent io_bitmap_exit() to invoke task_update_io_bitmap() if
the to be cleaned up task is not the current task.
2) Clear TIF_IO_BITMAP in copy_thread() unconditionally. For user
space forks it is set later, when the IO bitmap is inherited in
io_bitmap_share().
For paranoia sake, add a warning into tss_update_io_bitmap() to catch
the case, when that code is invoked with inconsistent state.
Fixes: ea5f1cd7ab49 ("x86/ioperm: Remove bitmap if all permissions dropped")
Reported-by: syzbot+e2b1803445d236442e54@syzkaller.appspotmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/87wmdceom2.ffs@tglx
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test-large-mtu.sh is referenced by the Makefile
but does not exist.
Add it along the other scripts.
Fixes: 944f8b6abab6 ("selftest/net/ovpn: extend coverage with more test cases")
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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TCP sockets cannot be created with AF_UNSPEC, but
one among the supported family must be used.
Since commit 944f8b6abab6 ("selftest/net/ovpn: extend
coverage with more test cases") the default address
family for all tests was changed from AF_INET to AF_UNSPEC,
thus breaking all TCP cases.
Restore AF_INET as default address family for TCP listeners.
Fixes: 944f8b6abab6 ("selftest/net/ovpn: extend coverage with more test cases")
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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Upon error along the TCP data_ready event path, we have
the following chain of calls:
strp_data_ready()
ovpn_tcp_rcv()
ovpn_peer_del()
ovpn_socket_release()
Since strp_data_ready() may be invoked from softirq context, and
ovpn_socket_release() may sleep, the above sequence may cause a
sleep in atomic context like the following:
BUG: sleeping function called from invalid context at ./ovpn-backports-ovpn-net-next-main-6.15.0-rc5-20250522/drivers/net/ovpn/socket.c:71
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 25, name: ksoftirqd/3
5 locks held by ksoftirqd/3/25:
#0: ffffffe000cd0580 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb+0xb8/0x5b0
OpenVPN/ovpn-backports#1: ffffffe000cd0580 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb+0xb8/0x5b0
OpenVPN/ovpn-backports#2: ffffffe000cd0580 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0x66/0x1e0
OpenVPN/ovpn-backports#3: ffffffe003ce9818 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0x156e/0x17a0
OpenVPN/ovpn-backports#4: ffffffe000cd0580 (rcu_read_lock){....}-{1:2}, at: ovpn_tcp_data_ready+0x0/0x1b0 [ovpn]
CPU: 3 PID: 25 Comm: ksoftirqd/3 Not tainted 5.10.104+ #0
Call Trace:
walk_stackframe+0x0/0x1d0
show_stack+0x2e/0x44
dump_stack+0xc2/0x102
___might_sleep+0x29c/0x2b0
__might_sleep+0x62/0xa0
ovpn_socket_release+0x24/0x2d0 [ovpn]
unlock_ovpn+0x6e/0x190 [ovpn]
ovpn_peer_del+0x13c/0x390 [ovpn]
ovpn_tcp_rcv+0x280/0x560 [ovpn]
__strp_recv+0x262/0x940
strp_recv+0x66/0x80
tcp_read_sock+0x122/0x410
strp_data_ready+0x156/0x1f0
ovpn_tcp_data_ready+0x92/0x1b0 [ovpn]
tcp_data_ready+0x6c/0x150
tcp_rcv_established+0xb36/0xc50
tcp_v4_do_rcv+0x25e/0x380
tcp_v4_rcv+0x166a/0x17a0
ip_protocol_deliver_rcu+0x8c/0x250
ip_local_deliver_finish+0xf8/0x1e0
ip_local_deliver+0xc2/0x2d0
ip_rcv+0x1f2/0x330
__netif_receive_skb+0xfc/0x290
netif_receive_skb+0x104/0x5b0
br_pass_frame_up+0x190/0x3f0
br_handle_frame_finish+0x3e2/0x7a0
br_handle_frame+0x750/0xab0
__netif_receive_skb_core.constprop.0+0x4c0/0x17f0
__netif_receive_skb+0xc6/0x290
netif_receive_skb+0x104/0x5b0
xgmac_dma_rx+0x962/0xb40
__napi_poll.constprop.0+0x5a/0x350
net_rx_action+0x1fe/0x4b0
__do_softirq+0x1f8/0x85c
run_ksoftirqd+0x80/0xd0
smpboot_thread_fn+0x1f0/0x3e0
kthread+0x1e6/0x210
ret_from_kernel_thread+0x8/0xc
Fix this issue by postponing the ovpn_peer_del() call to
a scheduled worker, as we already do in ovpn_tcp_send_sock()
for the very same reason.
Fixes: 11851cbd60ea ("ovpn: implement TCP transport")
Reported-by: Qingfang Deng <dqfext@gmail.com>
Closes: https://github.com/OpenVPN/ovpn-net-next/issues/13
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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Removing a peer while userspace attempts to close its transport
socket triggers a race condition resulting in the following
crash:
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000077: 0000 [#1] SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000003b8-0x00000000000003bf]
CPU: 12 UID: 0 PID: 162 Comm: kworker/12:1 Tainted: G O 6.15.0-rc2-00635-g521139ac3840 #272 PREEMPT(full)
Tainted: [O]=OOT_MODULE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-20240910_120124-localhost 04/01/2014
Workqueue: events ovpn_peer_keepalive_work [ovpn]
RIP: 0010:ovpn_socket_release+0x23c/0x500 [ovpn]
Code: ea 03 80 3c 02 00 0f 85 71 02 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 64 24 18 49 8d bc 24 be 03 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 30
RSP: 0018:ffffc90000c9fb18 EFLAGS: 00010217
RAX: dffffc0000000000 RBX: ffff8881148d7940 RCX: ffffffff817787bb
RDX: 0000000000000077 RSI: 0000000000000008 RDI: 00000000000003be
RBP: ffffc90000c9fb30 R08: 0000000000000000 R09: fffffbfff0d3e840
R10: ffffffff869f4207 R11: 0000000000000000 R12: 0000000000000000
R13: ffff888115eb9300 R14: ffffc90000c9fbc8 R15: 000000000000000c
FS: 0000000000000000(0000) GS:ffff8882b0151000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f37266b6114 CR3: 00000000054a8000 CR4: 0000000000750ef0
PKRU: 55555554
Call Trace:
<TASK>
unlock_ovpn+0x8b/0xe0 [ovpn]
ovpn_peer_keepalive_work+0xe3/0x540 [ovpn]
? ovpn_peers_free+0x780/0x780 [ovpn]
? lock_acquire+0x56/0x70
? process_one_work+0x888/0x1740
process_one_work+0x933/0x1740
? pwq_dec_nr_in_flight+0x10b0/0x10b0
? move_linked_works+0x12d/0x2c0
? assign_work+0x163/0x270
worker_thread+0x4d6/0xd90
? preempt_count_sub+0x4c/0x70
? process_one_work+0x1740/0x1740
kthread+0x36c/0x710
? trace_preempt_on+0x8c/0x1e0
? kthread_is_per_cpu+0xc0/0xc0
? preempt_count_sub+0x4c/0x70
? _raw_spin_unlock_irq+0x36/0x60
? calculate_sigpending+0x7b/0xa0
? kthread_is_per_cpu+0xc0/0xc0
ret_from_fork+0x3a/0x80
? kthread_is_per_cpu+0xc0/0xc0
ret_from_fork_asm+0x11/0x20
</TASK>
Modules linked in: ovpn(O)
This happens because the peer deletion operation reaches
ovpn_socket_release() while ovpn_sock->sock (struct socket *)
and its sk member (struct sock *) are still both valid.
Here synchronize_rcu() is invoked, after which ovpn_sock->sock->sk
becomes NULL, due to the concurrent socket closing triggered
from userspace.
After having invoked synchronize_rcu(), ovpn_socket_release() will
attempt dereferencing ovpn_sock->sock->sk, triggering the crash
reported above.
The reason for accessing sk is that we need to retrieve its
protocol and continue the cleanup routine accordingly.
This crash can be easily produced by running openvpn userspace in
client mode with `--keepalive 10 20`, while entirely omitting this
option on the server side.
After 20 seconds ovpn will assume the peer (server) to be dead,
will start removing it and will notify userspace. The latter will
receive the notification and close the transport socket, thus
triggering the crash.
To fix the race condition for good, we need to refactor struct ovpn_socket.
Since ovpn is always only interested in the sock->sk member (struct sock *)
we can directly hold a reference to it, raher than accessing it via
its struct socket container.
This means changing "struct socket *ovpn_socket->sock" to
"struct sock *ovpn_socket->sk".
While acquiring a reference to sk, we can increase its refcounter
without affecting the socket close()/destroy() notification
(which we rely on when userspace closes a socket we are using).
By increasing sk's refcounter we know we can dereference it
in ovpn_socket_release() without incurring in any race condition
anymore.
ovpn_socket_release() will ultimately decrease the reference
counter.
Cc: Oleksandr Natalenko <oleksandr@natalenko.name>
Fixes: 11851cbd60ea ("ovpn: implement TCP transport")
Reported-by: Qingfang Deng <dqfext@gmail.com>
Closes: https://github.com/OpenVPN/ovpn-net-next/issues/1
Tested-by: Gert Doering <gert@greenie.muc.de>
Link: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg31575.html
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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When deconfiguring a UDP-tunnel from a socket, we cannot
call setup_udp_tunnel_sock() with an empty config, because
this helper is expected to be invoked only during setup.
Get rid of the call to setup_udp_tunnel_sock() and just
revert what it did during socket initialization..
Note that the global udp_encap_needed_key and the GRO state
are left untouched: udp_destroy_socket() will eventually
take care of them.
Cc: Sabrina Dubroca <sd@queasysnail.net>
Cc: Oleksandr Natalenko <oleksandr@natalenko.name>
Fixes: ab66abbc769b ("ovpn: implement basic RX path (UDP)")
Reported-by: Paolo Abeni <pabeni@redhat.com>
Closes: https://lore.kernel.org/netdev/1a47ce02-fd42-4761-8697-f3f315011cc6@redhat.com
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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The function return either success or an error code, no need to involve
'<' operator.
Reviewed-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://patch.msgid.link/20250530141025.2942936-9-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Lorenzo Bianconi says:
====================
net: airoha: Fix IPv6 hw acceleration
Fix IPv6 hw acceleration in bridge mode resolving ib2 and
airoha_foe_mac_info_common overwrite in
airoha_ppe_foe_commit_subflow_entry routine.
Introduce UPDMEM source-mac table used to set source mac address for
L3 IPv6 hw accelerated traffic.
====================
Link: https://patch.msgid.link/20250602-airoha-flowtable-ipv6-fix-v2-0-3287f8b55214@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Set PPE entry smac_id field to 0xf in airoha_ppe_foe_commit_subflow_entry
routine for IPv6 traffic in order to instruct the hw to keep original
source mac address for IPv6 hw accelerated traffic in bridge mode.
Fixes: cd53f622611f ("net: airoha: Add L2 hw acceleration support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250602-airoha-flowtable-ipv6-fix-v2-3-3287f8b55214@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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ib2 and airoha_foe_mac_info_common have not the same offsets in
airoha_foe_bridge and airoha_foe_ipv6 structures. Current codebase does
not accelerate IPv6 traffic in bridge mode since ib2 and l2 info are not
set properly copying airoha_foe_bridge struct into airoha_foe_ipv6 one
in airoha_ppe_foe_commit_subflow_entry routine.
Fix IPv6 hw acceleration in bridge mode resolving ib2 and
airoha_foe_mac_info_common overwrite in
airoha_ppe_foe_commit_subflow_entry() and configuring them with proper
values.
Fixes: cd53f622611f ("net: airoha: Add L2 hw acceleration support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250602-airoha-flowtable-ipv6-fix-v2-2-3287f8b55214@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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UPDMEM source-mac table is a key-value map used to store devices mac
addresses according to the port identifier. UPDMEM source mac table is
used during IPv6 traffic hw acceleration since PPE entries, for space
constraints, do not contain the full source mac address but just the
identifier in the UPDMEM source-mac table.
Configure UPDMEM source-mac table with device mac addresses and set
the source-mac ID field for PPE IPv6 entries in order to select the
proper device mac address as source mac for L3 IPv6 hw accelerated traffic.
Fixes: 00a7678310fe ("net: airoha: Introduce flowtable offload support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250602-airoha-flowtable-ipv6-fix-v2-1-3287f8b55214@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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We have the logic to include net/lib automatically for net related
selftests. However, currently, this logic is only in install target
which means only `make install` will have net/lib included. This commit
adds the logic to all target so that all `make`, `make run_tests` and
`make install` will have net/lib included in net related selftests.
Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
Link: https://patch.msgid.link/20250601142914.13379-1-minhquangbui99@gmail.com
Fixes: b86761ff6374 ("selftests: net: add scaffolding for Netlink tests in Python")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Commit 3d010c8031e3 ("udp: do not accept non-tunnel GSO skbs landing
in a tunnel") added checks in linux stack to not accept non-tunnel
GRO packets landing in a tunnel. This exposed an issue in vmxnet3
which was not correctly reporting GRO packets for tunnel packets.
This patch fixes this issue by setting correct GSO type for the
tunnel packets.
Currently, vmxnet3 does not support reporting inner fields for LRO
tunnel packets. The issue is not seen for egress drivers that do not
use skb inner fields. The workaround is to enable tnl-segmentation
offload on the egress interfaces if the driver supports it. This
problem pre-exists this patch fix and can be addressed as a separate
future patch.
Fixes: dacce2be3312 ("vmxnet3: add geneve and vxlan tunnel offload support")
Signed-off-by: Ronak Doshi <ronak.doshi@broadcom.com>
Acked-by: Guolin Yang <guolin.yang@broadcom.com>
Link: https://patch.msgid.link/20250530152701.70354-1-ronak.doshi@broadcom.com
[pabeni@redhat.com: dropped the changelog]
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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This reverts commit a571a9a1b120264e24b41eddf1ac5140131bfa84.
The commit in question breaks kunit for older compilers:
$ gcc --version
gcc (GCC) 11.5.0 20240719 (Red Hat 11.5.0-5)
$ ./tools/testing/kunit/kunit.py run --alltests --json --arch=x86_64
Configuring KUnit Kernel ...
Regenerating .config ...
Populating config with:
$ make ARCH=x86_64 O=.kunit olddefconfig
ERROR:root:Not all Kconfig options selected in kunitconfig were in the generated .config.
This is probably due to unsatisfied dependencies.
Missing: CONFIG_INIT_STACK_ALL_PATTERN=y
Link: https://lore.kernel.org/20250529083811.778bc31b@kernel.org
Fixes: a571a9a1b120 ("kunit: configs: Enable CONFIG_INIT_STACK_ALL_PATTERN in all_tests")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://patch.msgid.link/20250530135800.13437-1-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Fix the misspelling of 'Electronics' in MFD driver copyright headers.
Link: https://lore.kernel.org/lkml/3aa30119-60e5-4dcb-b13a-1753966ca775@sirena.org.uk/#t
Link: https://lore.kernel.org/r/20250519232025.152769-1-sumanth.gavini@yahoo.com
Signed-off-by: Sumanth Gavini <sumanth.gavini@yahoo.com>
Signed-off-by: Lee Jones <lee@kernel.org>
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Fix the misspelling of 'Electronics' in MFD driver headers.
Link: https://lore.kernel.org/lkml/3aa30119-60e5-4dcb-b13a-1753966ca775@sirena.org.uk/#t
Link: https://lore.kernel.org/r/20250520020808.159586-1-sumanth.gavini@yahoo.com
Signed-off-by: Sumanth Gavini <sumanth.gavini@yahoo.com>
Signed-off-by: Lee Jones <lee@kernel.org>
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When driver handles the napi rx polling requests, the netdev might
have been released by the dellink logic triggered by the disconnect
operation on user plane. However, in the logic of processing skb in
polling, an invalid netdev is still being used, which causes a panic.
BUG: kernel NULL pointer dereference, address: 00000000000000f1
Oops: 0000 [#1] PREEMPT SMP NOPTI
RIP: 0010:dev_gro_receive+0x3a/0x620
[...]
Call Trace:
<IRQ>
? __die_body+0x68/0xb0
? page_fault_oops+0x379/0x3e0
? exc_page_fault+0x4f/0xa0
? asm_exc_page_fault+0x22/0x30
? __pfx_t7xx_ccmni_recv_skb+0x10/0x10 [mtk_t7xx (HASH:1400 7)]
? dev_gro_receive+0x3a/0x620
napi_gro_receive+0xad/0x170
t7xx_ccmni_recv_skb+0x48/0x70 [mtk_t7xx (HASH:1400 7)]
t7xx_dpmaif_napi_rx_poll+0x590/0x800 [mtk_t7xx (HASH:1400 7)]
net_rx_action+0x103/0x470
irq_exit_rcu+0x13a/0x310
sysvec_apic_timer_interrupt+0x56/0x90
</IRQ>
Fixes: 5545b7b9f294 ("net: wwan: t7xx: Add NAPI support")
Signed-off-by: Jinjian Song <jinjian.song@fibocom.com>
Link: https://patch.msgid.link/20250530031648.5592-1-jinjian.song@fibocom.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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- power management improvement for multitouch devices (Werner Sembach)
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- support for Apple Magic Mouse 2 USB-C (Aditya Garg)
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- power management improvement (Lode Willems)
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- fix for ACPI initialization (Wentao Guan)
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- adapt HID drivers to use new gpio_chip's line setter callbacks
(Bartosz Golaszewski)
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- make it possible to set hid_mouse_ignore_list dynamically (the same way we
handle other quirks) (Aditya Garg)
- fix potential OOB in usbhid_parse() (Terry Junge)
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- Kconfig dependency fixes (Geert Uytterhoeven)
- time scaling fix for appletb_tb_idle_timeout and appletb_tb_dim_timeout
parameters (Thorsten Blum)
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2025-05-30 (ice, idpf)
For ice:
Michal resolves XDP issues related to Tx scheduler configuration with
large number of Tx queues.
Additional information:
https://lore.kernel.org/intel-wired-lan/20250513105529.241745-1-michal.kubiak@intel.com/
For idpf:
Brian Vazquez updates netif_subqueue_maybe_stop() condition check to
prevent possible races.
Emil shuts down virtchannel mailbox during reset to reduce timeout
delays as it's unavailable during that time.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
idpf: avoid mailbox timeout delays during reset
idpf: fix a race in txq wakeup
ice: fix rebuilding the Tx scheduler tree for large queue counts
ice: create new Tx scheduler nodes for new queues only
ice: fix Tx scheduler error handling in XDP callback
====================
Link: https://patch.msgid.link/20250530211221.2170484-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull bootconfig updates from Masami Hiramatsu:
- Allow overriding CFLAGS and LDFLAGS for tools/bootconfig, for example
making it a static binary.
* tag 'bootconfig-v6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tools/bootconfig: specify LDFLAGS as an argument to CC
tools/bootconfig: allow overriding CFLAGS assignment
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git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux
Pull module updates from Petr Pavlu:
- Make .static_call_sites in modules read-only after init
The .static_call_sites sections in modules have been made read-only
after init to avoid any (non-)accidental modifications, similarly to
how they are read-only after init in vmlinux
- The rest are minor cleanups
* tag 'modules-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux:
module: Remove outdated comment about text_size
module: Make .static_call_sites read-only after init
module: Add a separate function to mark sections as read-only after init
module: Constify parameters of module_enforce_rwx_sections()
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull more MM updates from Andrew Morton:
- "zram: support algorithm-specific parameters" from Sergey Senozhatsky
adds infrastructure for passing algorithm-specific parameters into
zram. A single parameter `winbits' is implemented at this time.
- "memcg: nmi-safe kmem charging" from Shakeel Butt makes memcg
charging nmi-safe, which is required by BFP, which can operate in NMI
context.
- "Some random fixes and cleanup to shmem" from Kemeng Shi implements
small fixes and cleanups in the shmem code.
- "Skip mm selftests instead when kernel features are not present" from
Zi Yan fixes some issues in the MM selftest code.
- "mm/damon: build-enable essential DAMON components by default" from
SeongJae Park reworks DAMON Kconfig to make it easier to enable
CONFIG_DAMON.
- "sched/numa: add statistics of numa balance task migration" from Libo
Chen adds more info into sysfs and procfs files to improve visibility
into the NUMA balancer's task migration activity.
- "selftests/mm: cow and gup_longterm cleanups" from Mark Brown
provides various updates to some of the MM selftests to make them
play better with the overall containing framework.
* tag 'mm-stable-2025-06-01-14-06' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (43 commits)
mm/khugepaged: clean up refcount check using folio_expected_ref_count()
selftests/mm: fix test result reporting in gup_longterm
selftests/mm: report unique test names for each cow test
selftests/mm: add helper for logging test start and results
selftests/mm: use standard ksft_finished() in cow and gup_longterm
selftests/damon/_damon_sysfs: skip testcases if CONFIG_DAMON_SYSFS is disabled
sched/numa: add statistics of numa balance task
sched/numa: fix task swap by skipping kernel threads
tools/testing: check correct variable in open_procmap()
tools/testing/vma: add missing function stub
mm/gup: update comment explaining why gup_fast() disables IRQs
selftests/mm: two fixes for the pfnmap test
mm/khugepaged: fix race with folio split/free using temporary reference
mm: add CONFIG_PAGE_BLOCK_ORDER to select page block order
mmu_notifiers: remove leftover stub macros
selftests/mm: deduplicate test names in madv_populate
kcov: rust: add flags for KCOV with Rust
mm: rust: make CONFIG_MMU ifdefs more narrow
mmu_gather: move tlb flush for VM_PFNMAP/VM_MIXEDMAP vmas into free_pgtables()
mm/damon/Kconfig: enable CONFIG_DAMON by default
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 fix from Andreas Gruenbacher:
- Fix a NULL pointer dereference reported by syzbot
* tag 'gfs2-for-6.16-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: Don't clear sb->s_fs_info in gfs2_sys_fs_add
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse updates from Miklos Szeredi:
- Remove tmp page copying in writeback path (Joanne).
This removes ~300 lines and with that a lot of complexity related to
avoiding reclaim related deadlock. The old mechanism is replaced with
a mapping flag that tells the MM not to block reclaim waiting for
writeback to complete. The MM parts have been reviewed/acked by
respective maintainers.
- Convert more code to handle large folios (Joanne). This still just
adds the code to deal with large folios and does not enable them yet.
- Allow invalidating all cached lookups atomically (Luis Henriques).
This feature is useful for CernVMFS, which currently does this
iteratively.
- Align write prefaulting in fuse with generic one (Dave Hansen)
- Fix race causing invalid data to be cached when setting attributes on
different nodes of a distributed fs (Guang Yuan Wu)
- Update documentation for passthrough (Chen Linxuan)
- Add fdinfo about the device number associated with an opened
/dev/fuse instance (Chen Linxuan)
- Increase readdir buffer size (Miklos). This depends on a patch to VFS
readdir code that was already merged through Christians tree.
- Optimize io-uring request expiration (Joanne)
- Misc cleanups
* tag 'fuse-update-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: (25 commits)
fuse: increase readdir buffer size
readdir: supply dir_context.count as readdir buffer size hint
fuse: don't allow signals to interrupt getdents copying
fuse: support large folios for writeback
fuse: support large folios for readahead
fuse: support large folios for queued writes
fuse: support large folios for stores
fuse: support large folios for symlinks
fuse: support large folios for folio reads
fuse: support large folios for writethrough writes
fuse: refactor fuse_fill_write_pages()
fuse: support large folios for retrieves
fuse: support copying large folios
fs: fuse: add dev id to /dev/fuse fdinfo
docs: filesystems: add fuse-passthrough.rst
MAINTAINERS: update filter of FUSE documentation
fuse: fix race between concurrent setattrs from multiple nodes
fuse: remove tmp folio for writebacks and internal rb tree
mm: skip folio reclaim in legacy memcg contexts for deadlockable mappings
fuse: optimize over-io-uring request expiration check
...
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The lock ordering rules listed as comments in cifsglob.h were
missing some lock details and also the fid_lock.
Updated those notes in this commit.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull netfs updates from Christian Brauner:
- The main API document has been extensively updated/rewritten
- Fix an oops in write-retry due to mis-resetting the I/O iterator
- Fix the recording of transferred bytes for short DIO reads
- Fix a request's work item to not require a reference, thereby
avoiding the need to get rid of it in BH/IRQ context
- Fix waiting and waking to be consistent about the waitqueue used
- Remove NETFS_SREQ_SEEK_DATA_READ, NETFS_INVALID_WRITE,
NETFS_ICTX_WRITETHROUGH, NETFS_READ_HOLE_CLEAR,
NETFS_RREQ_DONT_UNLOCK_FOLIOS, and NETFS_RREQ_BLOCKED
- Reorder structs to eliminate holes
- Remove netfs_io_request::ractl
- Only provide proc_link field if CONFIG_PROC_FS=y
- Remove folio_queue::marks3
- Fix undifferentiation of DIO reads from unbuffered reads
* tag 'vfs-6.16-rc1.netfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
netfs: Fix undifferentiation of DIO reads from unbuffered reads
netfs: Fix wait/wake to be consistent about the waitqueue used
netfs: Fix the request's work item to not require a ref
netfs: Fix setting of transferred bytes with short DIO reads
netfs: Fix oops in write-retry from mis-resetting the subreq iterator
fs/netfs: remove unused flag NETFS_RREQ_BLOCKED
fs/netfs: remove unused flag NETFS_RREQ_DONT_UNLOCK_FOLIOS
folio_queue: remove unused field `marks3`
fs/netfs: declare field `proc_link` only if CONFIG_PROC_FS=y
fs/netfs: remove `netfs_io_request.ractl`
fs/netfs: reorder struct fields to eliminate holes
fs/netfs: remove unused enum choice NETFS_READ_HOLE_CLEAR
fs/netfs: remove unused flag NETFS_ICTX_WRITETHROUGH
fs/netfs: remove unused source NETFS_INVALID_WRITE
fs/netfs: remove unused flag NETFS_SREQ_SEEK_DATA_READ
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The j721e driver has a single platform driver that can be built-in or a
loadable module, but it calls two separate backend drivers depending on
whether it is a host or endpoint.
If the two modes are not the same, we can end up with a situation where the
built-in pci-j721e driver tries to call the modular host or endpoint
driver, which causes a link failure:
ld.lld-21: error: undefined symbol: cdns_pcie_ep_setup
>>> referenced by pci-j721e.c
>>> drivers/pci/controller/cadence/pci-j721e.o:(j721e_pcie_probe) in archive vmlinux.a
ld.lld-21: error: undefined symbol: cdns_pcie_host_setup
>>> referenced by pci-j721e.c
>>> drivers/pci/controller/cadence/pci-j721e.o:(j721e_pcie_probe) in archive vmlinux.a
Rework the dependencies so that the 'select' is done by the common Kconfig
symbol, based on which of the two are enabled. Effectively this means that
having one built-in makes the other either built-in or disabled, but all
configurations will now build.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Link: https://patch.msgid.link/20250423162523.2060405-1-arnd@kernel.org
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The 'pci-j721e.c' driver is the application/glue/wrapper driver for the
Cadence PCIe Controllers on TI SoCs. Implement support for building it as a
loadable module.
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://patch.msgid.link/20250417124408.2752248-5-s-vadapalli@ti.com
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Introduce the helper function cdns_pcie_ep_disable() which will undo the
configuration performed by cdns_pcie_ep_setup(). Also, export it for use
by the existing callers of cdns_pcie_ep_setup(), thereby allowing them
to cleanup on their exit path.
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://patch.msgid.link/20250417124408.2752248-4-s-vadapalli@ti.com
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Introduce the helper function cdns_pcie_host_disable() which will undo
the configuration performed by cdns_pcie_host_setup(). Also, export it
for use by existing callers of cdns_pcie_host_setup(), thereby allowing
them to cleanup on their exit path.
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://patch.msgid.link/20250417124408.2752248-3-s-vadapalli@ti.com
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Currently, the Cadence PCIe controller driver can be built as a built-in
module only. Since PCIe functionality is not a necessity for booting, add
support to build the Cadence PCIe driver as a loadable module as well.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://patch.msgid.link/20250417124408.2752248-2-s-vadapalli@ti.com
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Update my e-mail address and add relevant entries to the .mailmap file.
[bhelgaas: drop maintainer status change]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/20250418045251.7434-1-kwilczynski@kernel.org
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No need to split the line in __pci_setup_bridge() as it is way shorter
than the limit.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/20250404124547.51185-1-ilpo.jarvinen@linux.intel.com
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
- Fix the AT_HANDLE_CONNECTABLE option so filesystems that don't know
how to decode a connected non-dir dentry fail the request
- Use repr(transparent) to ensure identical layout between the C and
Rust implementation of struct file
- Add a missing xas_pause() into the dax code employing
wait_entry_unlocked_exclusive()
- Fix FOP_DONTCACHE which we disabled for v6.15.
A folio could get redirtied and/or scheduled for writeback after the
initial dropbehind test. Change the test accordingly to handle these
cases so we can re-enable FOP_DONTCACHE again
* tag 'vfs-6.16-rc2.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
exportfs: require ->fh_to_parent() to encode connectable file handles
rust: file: improve safety comments
rust: file: mark `LocalFile` as `repr(transparent)`
fs/dax: Fix "don't skip locked entries when scanning entries"
iomap: don't lose folio dropbehind state for overwrites
mm/filemap: unify dropbehind flag testing and clearing
mm/filemap: unify read/write dropbehind naming
Revert "Disable FOP_DONTCACHE for now due to bugs"
mm/filemap: use filemap_end_dropbehind() for read invalidation
mm/filemap: gate dropbehind invalidate on folio !dirty && !writeback
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