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git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy updates from Vinod Koul:
"As usual featuring couple of new driver and bunch of new device
support and some driver changes to Freescale, rockchip driver along
with couple of yaml binding conversions.
New Support:
- Qualcomm IPQ5424 qusb2 support, IPQ5018 uniphy-pcie driver
- Rockchip usb2 support for RK3562, RK3036 usb2 phy support
- Samsung exynos2200 eusb2 phy support and driver refactoring for
this support, exynos7870 USBDRD support
- Mediatek MT7988 xs-phy support
- Broadcom BCM74110 usb phy support
- Renesas RZ/V2H(P) usb2 phy support
Updates:
- Freescale phy rate claculation updates, i.MX95 tuning support
- Better error handling for amlogic pcie phy
- Rockchip color depth configuration and management support
- Yaml binding conversion for RK3399 Type-C and PCIe Phy"
* tag 'phy-for-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (77 commits)
phy: tegra: p2u: Broaden architecture dependency
phy: rockchip: inno-usb2: Add usb2 phy support for rk3562
dt-bindings: phy: rockchip,inno-usb2phy: add rk3562
phy: rockchip: inno-usb2: add phy definition for rk3036
dt-bindings: phy: rockchip,inno-usb2phy: add rk3036 compatible
phy: freescale: fsl-samsung-hdmi: Improve LUT search for best clock
phy: freescale: fsl-samsung-hdmi: Refactor finding PHY settings
phy: freescale: fsl-samsung-hdmi: Rename phy_clk_round_rate
phy: renesas: phy-rcar-gen3-usb2: Add USB2.0 PHY support for RZ/V2H(P)
phy: renesas: phy-rcar-gen3-usb2: Sort compatible entries by SoC part number
dt-bindings: phy: renesas,usb2-phy: Document RZ/V2H(P) SoC
dt-bindings: phy: renesas,usb2-phy: Add clock constraint for RZ/G2L family
phy: exynos5-usbdrd: support Exynos USBDRD 3.2 4nm controller
phy: phy-snps-eusb2: add support for exynos2200
phy: phy-snps-eusb2: refactor reference clock init
phy: phy-snps-eusb2: make reset control optional
phy: phy-snps-eusb2: make repeater optional
phy: phy-snps-eusb2: split phy init code
phy: phy-snps-eusb2: refactor constructs names
phy: move phy-qcom-snps-eusb2 out of its vendor sub-directory
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire updates from Vinod Koul:
"A couple of small core changes and an Intel driver change:
- sdw_assign_device_num() logic simplification, using internal slave
id for irqs and optimizing computing of port params in specific
stream states
- Intel driver updates for ACE3+ microphone privacy status reporting
and enabling the status in HDA Intel driver"
* tag 'soundwire-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: only compute port params in specific stream states
ASoC: SOF: Intel: hda: Set the mic_privacy flag for soundwire with ACE3+
soundwire: intel: Add awareness of ACE3+ microphone privacy
soundwire: bus: Add internal slave ID and use for IRQs
soundwire: bus: Simplify sdw_assign_device_num()
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syzbot reported that a recent patch forgot to unlock rcu
in the error path.
Adopt the convention that netlbl_conn_setattr() is already using.
Fixes: 6e9f2df1c550 ("calipso: Don't call calipso functions for AF_INET sk.")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Kuniyuki Iwashima <kuniyu@amazon.com>
Acked-by: Paul Moore <paul@paul-moore.com>
Link: https://patch.msgid.link/20250604133826.1667664-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The kernel currently validates that the length of the provided nexthop
address does not exceed the specified length. This can lead to the
kernel reading uninitialized memory if user space provided a shorter
length than the specified one.
Fix by validating that the provided length exactly matches the specified
one.
Fixes: d1df6fd8a1d2 ("ipv6: sr: define core operations for seg6local lightweight tunnel")
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20250604113252.371528-1-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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At the time rtnl_create_link() is running, dev->netdev_ops is NULL,
we must not use netdev_lock_ops() or risk a NULL deref if
CONFIG_NET_SHAPER is defined.
Use netif_set_group() instead of dev_set_group().
RIP: 0010:netdev_need_ops_lock include/net/netdev_lock.h:33 [inline]
RIP: 0010:netdev_lock_ops include/net/netdev_lock.h:41 [inline]
RIP: 0010:dev_set_group+0xc0/0x230 net/core/dev_api.c:82
Call Trace:
<TASK>
rtnl_create_link+0x748/0xd10 net/core/rtnetlink.c:3674
rtnl_newlink_create+0x25c/0xb00 net/core/rtnetlink.c:3813
__rtnl_newlink net/core/rtnetlink.c:3940 [inline]
rtnl_newlink+0x16d6/0x1c70 net/core/rtnetlink.c:4055
rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6944
netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2534
netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
netlink_unicast+0x75b/0x8d0 net/netlink/af_netlink.c:1339
netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883
sock_sendmsg_nosec net/socket.c:712 [inline]
Reported-by: syzbot+9fc858ba0312b42b577e@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/netdev/6840265f.a00a0220.d4325.0009.GAE@google.com/T/#u
Signed-off-by: Eric Dumazet <edumazet@google.com>
Fixes: 7e4d784f5810 ("net: hold netdev instance lock during rtnetlink operations")
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250604105815.1516973-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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from_cleanup_net() reads cleanup_net_task locklessly.
Add READ_ONCE()/WRITE_ONCE() annotations to avoid
a potential KCSAN warning, even if the race is harmless.
Fixes: 0734d7c3d93c ("net: expedite synchronize_net() for cleanup_net()")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Link: https://patch.msgid.link/20250604093928.1323333-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 846742f7e32f ("selftests: drv-net: add a warning for
bkg + shell + terminate") added a warning for bkg() used
with terminate=True. The tso test was missed as we didn't
have it running anywhere in NIPA. Add exit_wait=True, to avoid:
# Warning: combining shell and terminate is risky!
# SIGTERM may not reach the child on zsh/ksh!
getting printed twice for every variant.
Fixes: 0d0f4174f6c8 ("selftests: drv-net: add a simple TSO test")
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250604012055.891431-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The device type for IPv4 GRE is "gre" not "ipgre",
unlike for IPv6 which uses "ip6gre".
Not sure how I missed this when writing the test, perhaps
because all HW I have access to is on an IPv6-only network.
Fixes: 0d0f4174f6c8 ("selftests: drv-net: add a simple TSO test")
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250604012031.891242-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add missing config options for the tso.py test, specifically
to make sure the kernel is built with vxlan and gre tunnels.
I noticed this while adding a TSO-capable device QEMU to the CI.
Previously we only run virtio tests and it doesn't report LSO
stats on the QEMU we have.
Fixes: 0d0f4174f6c8 ("selftests: drv-net: add a simple TSO test")
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250604001653.853008-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
iavf: get rid of the crit lock
Przemek Kitszel says:
Fix some deadlocks in iavf, and make it less error prone for the future.
Patch 1 is simple and independent from the rest.
Patches 2, 3, 4 are strictly a refactor, but it enables the last patch
to be much smaller.
(Technically Jake given his RB tags not knowing I will send it to -net).
Patch 5 just adds annotations, this also helps prove last patch to be correct.
Patch 6 removes the crit lock, with its unusual try_lock()s.
I have more refactoring for scheduling done for -next, to be sent soon.
There is a simple test:
add VF; decrease number of queueus; remove VF
that was way too hard to pass without this series :)
* '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
iavf: get rid of the crit lock
iavf: sprinkle netdev_assert_locked() annotations
iavf: extract iavf_watchdog_step() out of iavf_watchdog_task()
iavf: simplify watchdog_task in terms of adminq task scheduling
iavf: centralize watchdog requeueing itself
iavf: iavf_suspend(): take RTNL before netdev_lock()
====================
Link: https://patch.msgid.link/20250603171710.2336151-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Enable threaded NAPI by default for WireGuard devices in response to low
performance behavior that we observed when multiple tunnels (and thus
multiple wg devices) are deployed on a single host. This affects any
kind of multi-tunnel deployment, regardless of whether the tunnels share
the same endpoints or not (i.e., a VPN concentrator type of gateway
would also be affected).
The problem is caused by the fact that, in case of a traffic surge that
involves multiple tunnels at the same time, the polling of the NAPI
instance of all these wg devices tends to converge onto the same core,
causing underutilization of the CPU and bottlenecking performance.
This happens because NAPI polling is hosted by default in softirq
context, but the WireGuard driver only raises this softirq after the rx
peer queue has been drained, which doesn't happen during high traffic.
In this case, the softirq already active on a core is reused instead of
raising a new one.
As a result, once two or more tunnel softirqs have been scheduled on
the same core, they remain pinned there until the surge ends.
In our experiments, this almost always leads to all tunnel NAPIs being
handled on a single core shortly after a surge begins, limiting
scalability to less than 3× the performance of a single tunnel, despite
plenty of unused CPU cores being available.
The proposed mitigation is to enable threaded NAPI for all WireGuard
devices. This moves the NAPI polling context to a dedicated per-device
kernel thread, allowing the scheduler to balance the load across all
available cores.
On our 32-core gateways, enabling threaded NAPI yields a ~4× performance
improvement with 16 tunnels, increasing throughput from ~13 Gbps to
~48 Gbps. Meanwhile, CPU usage on the receiver (which is the bottleneck)
jumps from 20% to 100%.
We have found no performance regressions in any scenario we tested.
Single-tunnel throughput remains unchanged.
More details are available in our Netdev paper.
Link: https://netdevconf.info/0x18/docs/netdev-0x18-paper23-talk-paper.pdf
Signed-off-by: Mirco Barone <mirco.barone@polito.it>
Fixes: e7096c131e51 ("net: WireGuard secure network tunnel")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Link: https://patch.msgid.link/20250605120616.2808744-1-Jason@zx2c4.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Pull NVMe updates and fixes from Christoph:
"nvme updates for Linux 6.16
- TCP error handling fix (Shin'ichiro Kawasaki)
- TCP I/O stall handling fixes (Hannes Reinecke)
- fix command limits status code (Keith Busch)
- support vectored buffers also for passthrough (Pavel Begunkov)
- spelling fixes (Yi Zhang)"
* tag 'nvme-6.16-2025-06-05' of git://git.infradead.org/nvme:
nvme: spelling fixes
nvme-tcp: fix I/O stalls on congested sockets
nvme-tcp: sanitize request list handling
nvme-tcp: remove tag set when second admin queue config fails
nvme: enable vectored registered bufs for passthrough cmds
nvme: fix implicit bool to flags conversion
nvme: fix command limits status code
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https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Johannes Berg says:
====================
Couple of quick fixes:
- iwlwifi/iwlmld crash on certain error paths
- iwlwifi/iwlmld regulatory data mixup
- iwlwifi/iwlmld suspend/resume fix
- iwlwifi MSI (without -X) fix
- cfg80211/mac80211 S1G parsing fixes
* tag 'wireless-2025-06-05' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: cfg80211/mac80211: correctly parse S1G beacon optional elements
wifi: iwlwifi: mld: Move regulatory domain initialization
wifi: iwlwifi: pcie: fix non-MSIX handshake register
wifi: iwlwifi: mld: avoid panic on init failure
wifi: iwlwifi: mvm: fix assert on suspend
====================
Link: https://patch.msgid.link/20250605095443.17874-6-johannes@sipsolutions.net
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Don't WARN if imported buffers are in use in ivpu_gem_bo_free() as they
can be indeed used in the original context/driver.
Fixes: 647371a6609d ("accel/ivpu: Add GEM buffer object management")
Cc: stable@vger.kernel.org # v6.3
Reviewed-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
Reviewed-by: Lizhi Hou <lizhi.hou@amd.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://lore.kernel.org/r/20250528171220.513225-1-jacek.lawrynowicz@linux.intel.com
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Trigger full device recovery when the driver fails to restore device state
via engine reset and resume operations. This is necessary because, even if
submissions from a faulty context are blocked, the NPU may still process
previously submitted faulty jobs if the engine reset fails to abort them.
Such jobs can continue to generate faults and occupy device resources.
When engine reset is ineffective, the only way to recover is to perform
a full device recovery.
Fixes: dad945c27a42 ("accel/ivpu: Add handling of VPU_JSM_STATUS_MVNCI_CONTEXT_VIOLATION_HW")
Cc: stable@vger.kernel.org # v6.15+
Signed-off-by: Karol Wachowski <karol.wachowski@intel.com>
Reviewed-by: Lizhi Hou <lizhi.hou@amd.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://lore.kernel.org/r/20250528154253.500556-1-jacek.lawrynowicz@linux.intel.com
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This fixes a potential race conditions in:
- ivpu_bo_unbind_locked() where we modified the shmem->sgt without
holding the dma_resv_lock().
- ivpu_bo_print_info() where we read the shmem->pages without
holding the dma_resv_lock().
Using dma_resv_lock() also protects against future syncronisation
issues that may arise when accessing drm_gem_shmem_object or
drm_gem_object members.
Fixes: 42328003ecb6 ("accel/ivpu: Refactor BO creation functions")
Cc: stable@vger.kernel.org # v6.9+
Reviewed-by: Lizhi Hou <lizhi.hou@amd.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://lore.kernel.org/r/20250528154325.500684-1-jacek.lawrynowicz@linux.intel.com
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git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for net:
1) Zero out the remainder in nft_pipapo AVX2 implementation, otherwise
next lookup could bogusly report a mismatch. This is followed by two
patches to update nft_pipapo selftests to cover for the previous bug.
From Florian Westphal.
2) Check for reverse tuple too in case of esoteric NAT collisions for
UDP traffic and extend selftest coverage. Also from Florian.
netfilter pull request 25-06-05
* tag 'nf-25-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
selftests: netfilter: nft_nat.sh: add test for reverse clash with nat
netfilter: nf_nat: also check reverse tuple to obtain clashing entry
selftests: netfilter: nft_concat_range.sh: add datapath check for map fill bug
selftests: netfilter: nft_concat_range.sh: prefer per element counters for testing
netfilter: nf_set_pipapo_avx2: fix initial map fill
====================
Link: https://patch.msgid.link/20250605085735.52205-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Jakub Kicinski says:
====================
netlink: specs: rt-link: decode ip6gre
Adding GRE tunnels to the .config for driver tests caused
some unhappiness in YNL, as it can't decode all the link
attrs on the system. Add ip6gre support to fix the tests.
This is similar to commit 6ffdbb93a59c ("netlink: specs:
rt_link: decode ip6tnl, vti and vti6 link attrs").
====================
Link: https://patch.msgid.link/20250603135357.502626-1-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Driver tests now require GRE tunnels, while we don't configure
them with YNL, YNL will complain when it sees link types it
doesn't recognize. Teach it decoding ip6gre tunnels. The attrs
are largely the same as IPv4 GRE.
Correct the type of encap-limit, but note that this attr is
only used in ip6gre, so the mistake didn't matter until now.
Fixes: 0d0f4174f6c8 ("selftests: drv-net: add a simple TSO test")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250603135357.502626-3-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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A number of fields in the ip tunnels are lacking the big-endian
designation. I suspect this is not intentional, as decoding
the ports with the right endian seems objectively beneficial.
Fixes: 6ffdbb93a59c ("netlink: specs: rt_link: decode ip6tnl, vti and vti6 link attrs")
Fixes: 077b6022d24b ("doc/netlink/specs: Add sub-message type to rt_link family")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250603135357.502626-2-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Antonio Quartulli says:
====================
In this batch you can find the following bug fixes:
Patch 1: when releasing a UDP socket we were wrongly invoking
setup_udp_tunnel_sock() with an empty config. This was not
properly shutting down the UDP encap state.
With this patch we simply undo what was done during setup.
Patch 2: ovpn was holding a reference to a 'struct socket'
without increasing its reference counter. This was intended
and worked as expected until we hit a race condition where
user space tries to close the socket while kernel space is
also releasing it. In this case the (struct socket *)->sk
member would disappear under our feet leading to a null-ptr-deref.
This patch fixes this issue by having struct ovpn_socket hold
a reference directly to the sk member while also increasing
its reference counter.
Patch 3: in case of errors along the TCP RX path (softirq)
we want to immediately delete the peer, but this operation may
sleep. With this patch we move the peer deletion to a scheduled
worker.
Patch 4 and 5 are instead fixing minor issues in the ovpn
kselftests.
* tag 'ovpn-net-20250603' of https://github.com/OpenVPN/ovpn-net-next:
selftest/net/ovpn: fix missing file
selftest/net/ovpn: fix TCP socket creation
ovpn: avoid sleep in atomic context in TCP RX error path
ovpn: ensure sk is still valid during cleanup
ovpn: properly deconfigure UDP-tunnel
====================
Link: https://patch.msgid.link/20250603111110.4575-1-antonio@openvpn.net/
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Kernel user spaces accesses to not exported pages in atomic context
incorrectly try to resolve the page fault.
With debug options enabled call traces like this can be seen:
BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1523
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 419074, name: qemu-system-s39
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
INFO: lockdep is turned off.
Preemption disabled at:
[<00000383ea47cfa2>] copy_page_from_iter_atomic+0xa2/0x8a0
CPU: 12 UID: 0 PID: 419074 Comm: qemu-system-s39
Tainted: G W 6.16.0-20250531.rc0.git0.69b3a602feac.63.fc42.s390x+debug #1 PREEMPT
Tainted: [W]=WARN
Hardware name: IBM 3931 A01 703 (LPAR)
Call Trace:
[<00000383e990d282>] dump_stack_lvl+0xa2/0xe8
[<00000383e99bf152>] __might_resched+0x292/0x2d0
[<00000383eaa7c374>] down_read+0x34/0x2d0
[<00000383e99432f8>] do_secure_storage_access+0x108/0x360
[<00000383eaa724b0>] __do_pgm_check+0x130/0x220
[<00000383eaa842e4>] pgm_check_handler+0x114/0x160
[<00000383ea47d028>] copy_page_from_iter_atomic+0x128/0x8a0
([<00000383ea47d016>] copy_page_from_iter_atomic+0x116/0x8a0)
[<00000383e9c45eae>] generic_perform_write+0x16e/0x310
[<00000383e9eb87f4>] ext4_buffered_write_iter+0x84/0x160
[<00000383e9da0de4>] vfs_write+0x1c4/0x460
[<00000383e9da123c>] ksys_write+0x7c/0x100
[<00000383eaa7284e>] __do_syscall+0x15e/0x280
[<00000383eaa8417e>] system_call+0x6e/0x90
INFO: lockdep is turned off.
It is not allowed to take the mmap_lock while in atomic context. Therefore
handle such a secure storage access fault as if the accessed page is not
mapped: the uaccess function will return -EFAULT, and the caller has to
deal with this. Usually this means that the access is retried in process
context, which allows to resolve the page fault (or in this case export the
page).
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Link: https://lore.kernel.org/r/20250603134936.1314139-1-hca@linux.ibm.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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Recent Qualcomm chipsets like SDX72/75 require MBIM sessionId mapping
to muxId in the range (0x70-0x8F) for the PCIe tethered use.
This has been partially addressed by the referenced commit, mapping
the default data call to muxId = 112, but the multiplexed data calls
scenario was not properly considered, mapping sessionId = 1 to muxId
1, while it should have been 113.
Fix this by moving the session_id assignment logic to mhi_mbim_newlink,
in order to map sessionId = n to muxId = n + WDS_BIND_MUX_DATA_PORT_MUX_ID.
Fixes: 65bc58c3dcad ("net: wwan: mhi: make default data link id configurable")
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Reviewed-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Link: https://patch.msgid.link/20250603091204.2802840-1-dnlplm@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
Miri Korenblit says:
====================
iwlwifi fixes
====================
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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S1G beacons are not traditional beacons but a type of extension frame.
Extension frames contain the frame control and duration fields, followed
by zero or more optional fields before the frame body. These optional
fields are distinct from the variable length elements.
The presence of optional fields is indicated in the frame control field.
To correctly locate the elements offset, the frame control must be parsed
to identify which optional fields are present. Currently, mac80211 parses
S1G beacons based on fixed assumptions about the frame layout, without
inspecting the frame control field. This can result in incorrect offsets
to the "variable" portion of the frame.
Properly parse S1G beacon frames by using the field lengths defined in
IEEE 802.11-2024, section 9.3.4.3, ensuring that the elements offset is
calculated accurately.
Fixes: 9eaffe5078ca ("cfg80211: convert S1G beacon to scan results")
Fixes: cd418ba63f0c ("mac80211: convert S1G beacon to scan results")
Signed-off-by: Lachlan Hodges <lachlan.hodges@morsemicro.com>
Link: https://patch.msgid.link/20250603053538.468562-1-lachlan.hodges@morsemicro.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
|
|
There is no need to mark the function as extern in the implementation.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202506051226.X8r7X5aa-lkp@intel.com/
Fixes: 8420e08fe3a5 ("um: Track userspace children dying in SECCOMP mode")
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Link: https://patch.msgid.link/20250605050325.1077208-2-benjamin@sipsolutions.net
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
|
|
The code was updated to access the PID of the userspace stub process in
a different way, making the local cpu variable obsolete. Remove it.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202506050008.AwXLNxQX-lkp@intel.com/
Fixes: 406d17c6c370 ("um: Implement kernel side of SECCOMP based process handling")
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Link: https://patch.msgid.link/20250605050325.1077208-1-benjamin@sipsolutions.net
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Jonas Gorski says:
====================
net: dsa: b53: fix RGMII ports
RGMII ports on BCM63xx were not really working, especially with PHYs
that support EEE and are capable of configuring their own RGMII delays.
So let's make them work, and fix additional minor rgmii related issues
found while working on it.
With a BCM96328BU-P300:
Before:
[ 3.580000] b53-switch 10700000.switch GbE3 (uninitialized): validation of rgmii with support 0000000,00000000,00000000,000062ff and advertisement 0000000,00000000,00000000,000062ff failed: -EINVAL
[ 3.600000] b53-switch 10700000.switch GbE3 (uninitialized): failed to connect to PHY: -EINVAL
[ 3.610000] b53-switch 10700000.switch GbE3 (uninitialized): error -22 setting up PHY for tree 0, switch 0, port 4
[ 3.620000] b53-switch 10700000.switch GbE1 (uninitialized): validation of rgmii with support 0000000,00000000,00000000,000062ff and advertisement 0000000,00000000,00000000,000062ff failed: -EINVAL
[ 3.640000] b53-switch 10700000.switch GbE1 (uninitialized): failed to connect to PHY: -EINVAL
[ 3.650000] b53-switch 10700000.switch GbE1 (uninitialized): error -22 setting up PHY for tree 0, switch 0, port 5
[ 3.660000] b53-switch 10700000.switch GbE4 (uninitialized): validation of rgmii with support 0000000,00000000,00000000,000062ff and advertisement 0000000,00000000,00000000,000062ff failed: -EINVAL
[ 3.680000] b53-switch 10700000.switch GbE4 (uninitialized): failed to connect to PHY: -EINVAL
[ 3.690000] b53-switch 10700000.switch GbE4 (uninitialized): error -22 setting up PHY for tree 0, switch 0, port 6
[ 3.700000] b53-switch 10700000.switch GbE5 (uninitialized): validation of rgmii with support 0000000,00000000,00000000,000062ff and advertisement 0000000,00000000,00000000,000062ff failed: -EINVAL
[ 3.720000] b53-switch 10700000.switch GbE5 (uninitialized): failed to connect to PHY: -EINVAL
[ 3.730000] b53-switch 10700000.switch GbE5 (uninitialized): error -22 setting up PHY for tree 0, switch 0, port 7
After:
[ 3.700000] b53-switch 10700000.switch GbE3 (uninitialized): PHY [mdio_mux-0.1:00] driver [Broadcom BCM54612E] (irq=POLL)
[ 3.770000] b53-switch 10700000.switch GbE1 (uninitialized): PHY [mdio_mux-0.1:01] driver [Broadcom BCM54612E] (irq=POLL)
[ 3.850000] b53-switch 10700000.switch GbE4 (uninitialized): PHY [mdio_mux-0.1:18] driver [Broadcom BCM54612E] (irq=POLL)
[ 3.920000] b53-switch 10700000.switch GbE5 (uninitialized): PHY [mdio_mux-0.1:19] driver [Broadcom BCM54612E] (irq=POLL)
====================
Link: https://patch.msgid.link/20250602193953.1010487-1-jonas.gorski@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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According to OpenMDK, bit 2 of the RGMII register has a different
meaning for BCM53115 [1]:
"DLL_IQQD 1: In the IDDQ mode, power is down0: Normal function
mode"
Configuring RGMII delay works without setting this bit, so let's keep it
at the default. For other chips, we always set it, so not clearing it
is not an issue.
One would assume BCM53118 works the same, but OpenMDK is not quite sure
what this bit actually means [2]:
"BYPASS_IMP_2NS_DEL #1: In the IDDQ mode, power is down#0: Normal
function mode1: Bypass dll65_2ns_del IP0: Use
dll65_2ns_del IP"
So lets keep setting it for now.
[1] https://github.com/Broadcom-Network-Switching-Software/OpenMDK/blob/master/cdk/PKG/chip/bcm53115/bcm53115_a0_defs.h#L19871
[2] https://github.com/Broadcom-Network-Switching-Software/OpenMDK/blob/master/cdk/PKG/chip/bcm53118/bcm53118_a0_defs.h#L14392
Fixes: 967dd82ffc52 ("net: dsa: b53: Add support for Broadcom RoboSwitch")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Link: https://patch.msgid.link/20250602193953.1010487-6-jonas.gorski@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
|
|
Add RGMII to supported interfaces for BCM63xx RGMII ports so they can be
actually used in RGMII mode.
Without this, phylink will fail to configure them:
[ 3.580000] b53-switch 10700000.switch GbE3 (uninitialized): validation of rgmii with support 0000000,00000000,00000000,000062ff and advertisement 0000000,00000000,00000000,000062ff failed: -EINVAL
[ 3.600000] b53-switch 10700000.switch GbE3 (uninitialized): failed to connect to PHY: -EINVAL
[ 3.610000] b53-switch 10700000.switch GbE3 (uninitialized): error -22 setting up PHY for tree 0, switch 0, port 4
Fixes: ce3bf94871f7 ("net: dsa: b53: add support for BCM63xx RGMIIs")
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Link: https://patch.msgid.link/20250602193953.1010487-5-jonas.gorski@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
|
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The IMP port is not a valid RGMII interface, but hard wired to internal,
so we shouldn't touch the undefined register B53_RGMII_CTRL_IMP.
While this does not seem to have any side effects, let's not touch it at
all, so limit RGMII configuration on bcm63xx to the actual RGMII ports.
Fixes: ce3bf94871f7 ("net: dsa: b53: add support for BCM63xx RGMIIs")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250602193953.1010487-4-jonas.gorski@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
|
|
bcm63xx's RGMII ports are always in MAC mode, never in PHY mode, so we
shouldn't enable any delays and let the PHY handle any delays as
necessary.
This fixes using RGMII ports with normal PHYs like BCM54612E, which will
handle the delay in the PHY.
Fixes: ce3bf94871f7 ("net: dsa: b53: add support for BCM63xx RGMIIs")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250602193953.1010487-3-jonas.gorski@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
|
|
BCM63xx internal switches do not support EEE, but provide multiple RGMII
ports where external PHYs may be connected. If one of these PHYs are EEE
capable, we may try to enable EEE for the MACs, which then hangs the
system on access of the (non-existent) EEE registers.
Fix this by checking if the switch actually supports EEE before
attempting to configure it.
Fixes: 22256b0afb12 ("net: dsa: b53: Move EEE functions to b53")
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Álvaro Fernández Rojas <noltari@gmail.com>
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Link: https://patch.msgid.link/20250602193953.1010487-2-jonas.gorski@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
|
|
In MII mode, Tx lines are swapped for port0 and port1, which means
Tx port0 receives data from PRU1 and the Tx port1 receives data from
PRU0. This is an expected hardware behavior and reading the Tx stats
needs to be handled accordingly in the driver. Update the driver to
read Tx stats from the PRU1 for port0 and PRU0 for port1.
Fixes: c1e10d5dc7a1 ("net: ti: icssg-prueth: Add ICSSG Stats")
Signed-off-by: Meghana Malladi <m-malladi@ti.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250603052904.431203-1-m-malladi@ti.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
|
|
This will fail without the previous bug fix because we erronously
believe that the clashing entry went way.
However, the clash exists in the opposite direction due to an
existing nat mapping:
PASS: IP statless for ns2-LgTIuS
ERROR: failed to test udp ns1-x4iyOW to ns2-LgTIuS with dnat rule step 2, result: ""
This is partially adapted from test instructions from the below
ubuntu tracker.
Link: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2109889
Signed-off-by: Florian Westphal <fw@strlen.de>
Tested-by: Shaun Brady <brady.1345@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
|
|
The logic added in the blamed commit was supposed to only omit nat source
port allocation if neither the existing nor the new entry are subject to
NAT.
However, its not enough to lookup the conntrack based on the proposed
tuple, we must also check the reverse direction.
Otherwise there are esoteric cases where the collision is in the reverse
direction because that colliding connection has a port rewrite, but the
new entry doesn't. In this case, we only check the new entry and then
erronously conclude that no clash exists anymore.
The existing (udp) tuple is:
a:p -> b:P, with nat translation to s:P, i.e. pure daddr rewrite,
reverse tuple in conntrack table is s:P -> a:p.
When another UDP packet is sent directly to s, i.e. a:p->s:P, this is
correctly detected as a colliding entry: tuple is taken by existing reply
tuple in reverse direction.
But the colliding conntrack is only searched for with unreversed
direction, and we can't find such entry matching a:p->s:P.
The incorrect conclusion is that the clashing entry has timed out and
that no port address translation is required.
Such conntrack will then be discarded at nf_confirm time because the
proposed reverse direction clashes with an existing mapping in the
conntrack table.
Search for the reverse tuple too, this will then check the NAT bits of
the colliding entry and triggers port reallocation.
Followp patch extends nft_nat.sh selftest to cover this scenario.
The IPS_SEQ_ADJUST change is also a bug fix:
Instead of checking for SEQ_ADJ this tested for SEEN_REPLY and ASSURED
by accident -- _BIT is only for use with the test_bit() API.
This bug has little consequence in practice, because the sequence number
adjustments are only useful for TCP which doesn't support clash resolution.
The existing test case (conntrack_reverse_clash.sh) exercise a race
condition path (parallel conntrack creation on different CPUs), so
the colliding entries have neither SEEN_REPLY nor ASSURED set.
Thanks to Yafang Shao and Shaun Brady for an initial investigation
of this bug.
Fixes: d8f84a9bc7c4 ("netfilter: nf_nat: don't try nat source port reallocation for reverse dir clash")
Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1795
Reported-by: Yafang Shao <laoar.shao@gmail.com>
Reported-by: Shaun Brady <brady.1345@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Tested-by: Yafang Shao <laoar.shao@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
|
|
commit 0935ee6032df ("selftests: netfilter: add test case for recent mismatch bug")
added a regression check for incorrect initial fill of the result map
that was fixed with 791a615b7ad2 ("netfilter: nf_set_pipapo: fix initial map fill").
The test used 'nft get element', i.e., control plane checks for
match/nomatch results.
The control plane however doesn't use avx2 version, so we need to
send+match packets.
As the additional packet match/nomatch is slow, don't do this for
every element added/removed: add and use maybe_send_(no)match
helpers and use them.
Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
|
|
testing
The selftest uses following rule:
... @test counter name "test"
Then sends a packet, then checks if the named counter did increment or
not.
This is fine for the 'no-match' test case: If anything matches the
counter increments and the test fails as expected.
But for the 'should match' test cases this isn't optimal.
Consider buggy matching, where the packet matches entry x, but it
should have matched entry y.
In that case the test would erronously pass.
Rework the selftest to use per-element counters to avoid this.
After sending packet that should have matched entry x, query the
relevant element via 'nft reset element' and check that its counter
had incremented.
The 'nomatch' case isn't altered, no entry should match so the named
counter must be 0, changing it to the per-element counter would then
pass if another entry matches.
The downside of this change is a slight increase in test run-time by
a few seconds.
Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
|
|
If the first field doesn't cover the entire start map, then we must zero
out the remainder, else we leak those bits into the next match round map.
The early fix was incomplete and did only fix up the generic C
implementation.
A followup patch adds a test case to nft_concat_range.sh.
Fixes: 791a615b7ad2 ("netfilter: nf_set_pipapo: fix initial map fill")
Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
|
|
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.16
A bunch of fixes, including a big batch for the Intel AVS driver, and
one new device ID. It's all device specific.
|
|
The panel lacked the connector type which causes a warning. Adding the
connector type reveals wrong bus_flags and bits per pixel. Fix all of
it.
Fixes: 1319f2178bdf ("drm/panel-simple: add Evervision VGG644804 panel entry")
Signed-off-by: Michael Walle <mwalle@kernel.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250520074110.655114-1-mwalle@kernel.org
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux
Pull Rust updates from Miguel Ojeda:
"Toolchain and infrastructure:
- KUnit '#[test]'s:
- Support KUnit-mapped 'assert!' macros.
The support that landed last cycle was very basic, and the
'assert!' macros panicked since they were the standard library
ones. Now, they are mapped to the KUnit ones in a similar way to
how is done for doctests, reusing the infrastructure there.
With this, a failing test like:
#[test]
fn my_first_test() {
assert_eq!(42, 43);
}
will report:
# my_first_test: ASSERTION FAILED at rust/kernel/lib.rs:251
Expected 42 == 43 to be true, but is false
# my_first_test.speed: normal
not ok 1 my_first_test
- Support tests with checked 'Result' return types.
The return value of test functions that return a 'Result' will
be checked, thus one can now easily catch errors when e.g. using
the '?' operator in tests.
With this, a failing test like:
#[test]
fn my_test() -> Result {
f()?;
Ok(())
}
will report:
# my_test: ASSERTION FAILED at rust/kernel/lib.rs:321
Expected is_test_result_ok(my_test()) to be true, but is false
# my_test.speed: normal
not ok 1 my_test
- Add 'kunit_tests' to the prelude.
- Clarify the remaining language unstable features in use.
- Compile 'core' with edition 2024 for Rust >= 1.87.
- Workaround 'bindgen' issue with forward references to 'enum' types.
- objtool: relax slice condition to cover more 'noreturn' functions.
- Use absolute paths in macros referencing 'core' and 'kernel'
crates.
- Skip '-mno-fdpic' flag for bindgen in GCC 32-bit arm builds.
- Clean some 'doc_markdown' lint hits -- we may enable it later on.
'kernel' crate:
- 'alloc' module:
- 'Box': support for type coercion, e.g. 'Box<T>' to 'Box<dyn U>'
if 'T' implements 'U'.
- 'Vec': implement new methods (prerequisites for nova-core and
binder): 'truncate', 'resize', 'clear', 'pop',
'push_within_capacity' (with new error type 'PushError'),
'drain_all', 'retain', 'remove' (with new error type
'RemoveError'), insert_within_capacity' (with new error type
'InsertError').
In addition, simplify 'push' using 'spare_capacity_mut', split
'set_len' into 'inc_len' and 'dec_len', add type invariant 'len
<= capacity' and simplify 'truncate' using 'dec_len'.
- 'time' module:
- Morph the Rust hrtimer subsystem into the Rust timekeeping
subsystem, covering delay, sleep, timekeeping, timers. This new
subsystem has all the relevant timekeeping C maintainers listed
in the entry.
- Replace 'Ktime' with 'Delta' and 'Instant' types to represent a
duration of time and a point in time.
- Temporarily add 'Ktime' to 'hrtimer' module to allow 'hrtimer'
to delay converting to 'Instant' and 'Delta'.
- 'xarray' module:
- Add a Rust abstraction for the 'xarray' data structure. This
abstraction allows Rust code to leverage the 'xarray' to store
types that implement 'ForeignOwnable'. This support is a
dependency for memory backing feature of the Rust null block
driver, which is waiting to be merged.
- Set up an entry in 'MAINTAINERS' for the XArray Rust support.
Patches will go to the new Rust XArray tree and then via the
Rust subsystem tree for now.
- Allow 'ForeignOwnable' to carry information about the pointed-to
type. This helps asserting alignment requirements for the
pointer passed to the foreign language.
- 'container_of!': retain pointer mut-ness and add a compile-time
check of the type of the first parameter ('$field_ptr').
- Support optional message in 'static_assert!'.
- Add C FFI types (e.g. 'c_int') to the prelude.
- 'str' module: simplify KUnit tests 'format!' macro, convert
'rusttest' tests into KUnit, take advantage of the '-> Result'
support in KUnit '#[test]'s.
- 'list' module: add examples for 'List', fix path of
'assert_pinned!' (so far unused macro rule).
- 'workqueue' module: remove 'HasWork::OFFSET'.
- 'page' module: add 'inline' attribute.
'macros' crate:
- 'module' macro: place 'cleanup_module()' in '.exit.text' section.
'pin-init' crate:
- Add 'Wrapper<T>' trait for creating pin-initializers for wrapper
structs with a structurally pinned value such as 'UnsafeCell<T>' or
'MaybeUninit<T>'.
- Add 'MaybeZeroable' derive macro to try to derive 'Zeroable', but
not error if not all fields implement it. This is needed to derive
'Zeroable' for all bindgen-generated structs.
- Add 'unsafe fn cast_[pin_]init()' functions to unsafely change the
initialized type of an initializer. These are utilized by the
'Wrapper<T>' implementations.
- Add support for visibility in 'Zeroable' derive macro.
- Add support for 'union's in 'Zeroable' derive macro.
- Upstream dev news: streamline CI, fix some bugs. Add new workflows
to check if the user-space version and the one in the kernel tree
have diverged. Use the issues tab [1] to track them, which should
help folks report and diagnose issues w.r.t. 'pin-init' better.
[1] https://github.com/rust-for-linux/pin-init/issues
Documentation:
- Testing: add docs on the new KUnit '#[test]' tests.
- Coding guidelines: explain that '///' vs. '//' applies to private
items too. Add section on C FFI types.
- Quick Start guide: update Ubuntu instructions and split them into
"25.04" and "24.04 LTS and older".
And a few other cleanups and improvements"
* tag 'rust-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux: (78 commits)
rust: list: Fix typo `much` in arc.rs
rust: check type of `$ptr` in `container_of!`
rust: workqueue: remove HasWork::OFFSET
rust: retain pointer mut-ness in `container_of!`
Documentation: rust: testing: add docs on the new KUnit `#[test]` tests
Documentation: rust: rename `#[test]`s to "`rusttest` host tests"
rust: str: take advantage of the `-> Result` support in KUnit `#[test]`'s
rust: str: simplify KUnit tests `format!` macro
rust: str: convert `rusttest` tests into KUnit
rust: add `kunit_tests` to the prelude
rust: kunit: support checked `-> Result`s in KUnit `#[test]`s
rust: kunit: support KUnit-mapped `assert!` macros in `#[test]`s
rust: make section names plural
rust: list: fix path of `assert_pinned!`
rust: compile libcore with edition 2024 for 1.87+
rust: dma: add missing Markdown code span
rust: task: add missing Markdown code spans and intra-doc links
rust: pci: fix docs related to missing Markdown code spans
rust: alloc: add missing Markdown code span
rust: alloc: add missing Markdown code spans
...
|
|
Pull bpf fixes from Alexei Starovoitov:
"Two small fixes to selftests"
* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
selftests/bpf: Fix selftest btf_tag/btf_type_tag_percpu_vmlinux_helper failure
selftests/bpf: Fix bpf selftest build error
|
|
https://gitlab.freedesktop.org/drm/msm into drm-next
Just some mailmap/MAINTAINER email address updates
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://lore.kernel.org/r/CAF6AEGuW1kpUijxzLCc4TKph72-PfXvHTttNu214_1GB-R8qwg@mail.gmail.com
|
|
Pull smb server updates from Steve French:
"Four smb3 server fixes:
- Fix for special character handling when mounting with "posix"
- Fix for mounts from Mac for fs that don't provide unique inode
numbers
- Two cleanup patches (e.g. for crypto calls)"
* tag '6.16-rc-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: allow a filename to contain special characters on SMB3.1.1 posix extension
ksmbd: provide zero as a unique ID to the Mac client
ksmbd: remove unnecessary softdep on crc32
ksmbd: use SHA-256 library API instead of crypto_shash API
|
|
Pull more bcachefs updates from Kent Overstreet:
"More bcachefs updates:
- More stack usage improvements (~600 bytes)
- Define CLASS()es for some commonly used types, and convert most
rcu_read_lock() uses to the new lock guards
- New introspection:
- Superblock error counters are now available in sysfs:
previously, they were only visible with 'show-super', which
doesn't provide a live view
- New tracepoint, error_throw(), which is called any time we
return an error and start to unwind
- Repair
- check_fix_ptrs() can now repair btree node roots
- We can now repair when we've somehow ended up with the journal
using a superblock bucket
- Revert some leftovers from the aborted directory i_size feature,
and add repair code: some userspace programs (e.g. sshfs) were
getting confused
It seems in 6.15 there's a bug where i_nlink on the vfs inode has been
getting incorrectly set to 0, with some unfortunate results;
list_journal analysis showed bch2_inode_rm() being called (by
bch2_evict_inode()) when it clearly should not have been.
- bch2_inode_rm() now runs "should we be deleting this inode?" checks
that were previously only run when deleting unlinked inodes in
recovery
- check_subvol() was treating a dangling subvol (pointing to a
missing root inode) like a dangling dirent, and deleting it. This
was the really unfortunate one: check_subvol() will now recreate
the root inode if necessary
This took longer to debug than it should have, and we lost several
filesystems unnecessarily, because users have been ignoring the
release notes and blindly running 'fsck -y'. Debugging required
reconstructing what happened through analyzing the journal, when
ideally someone would have noticed 'hey, fsck is asking me if I want
to repair this: it usually doesn't, maybe I should run this in dry run
mode and check what's going on?'
As a reminder, fsck errors are being marked as autofix once we've
verified, in real world usage, that they're working correctly; blindly
running 'fsck -y' on an experimental filesystem is playing with fire
Up to this incident we've had an excellent track record of not losing
data, so let's try to learn from this one
This is a community effort, I wouldn't be able to get this done
without the help of all the people QAing and providing excellent bug
reports and feedback based on real world usage. But please don't
ignore advice and expect me to pick up the pieces
If an error isn't marked as autofix, and it /is/ happening in the
wild, that's also something I need to know about so we can check it
out and add it to the autofix list if repair looks good. I haven't
been getting those reports, and I should be; since we don't have any
sort of telemetry yet I am absolutely dependent on user reports
Now I'll be spending the weekend working on new repair code to see if
I can get a filesystem back for a user who didn't have backups"
* tag 'bcachefs-2025-06-04' of git://evilpiepirate.org/bcachefs: (69 commits)
bcachefs: add cond_resched() to handle_overwrites()
bcachefs: Make journal read log message a bit quieter
bcachefs: Fix subvol to missing root repair
bcachefs: Run may_delete_deleted_inode() checks in bch2_inode_rm()
bcachefs: delete dead code from may_delete_deleted_inode()
bcachefs: Add flags to subvolume_to_text()
bcachefs: Fix oops in btree_node_seq_matches()
bcachefs: Fix dirent_casefold_mismatch repair
bcachefs: Fix bch2_fsck_rename_dirent() for casefold
bcachefs: Redo bch2_dirent_init_name()
bcachefs: Fix -Wc23-extensions in bch2_check_dirents()
bcachefs: Run check_dirents second time if required
bcachefs: Run snapshot deletion out of system_long_wq
bcachefs: Make check_key_has_snapshot safer
bcachefs: BCH_RECOVERY_PASS_NO_RATELIMIT
bcachefs: bch2_require_recovery_pass()
bcachefs: bch_err_throw()
bcachefs: Repair code for directory i_size
bcachefs: Kill un-reverted directory i_size code
bcachefs: Delete redundant fsck_err()
...
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Checking for the delegability of the misaligned access trap is needed
for the KVM FWFT extension implementation. Add a function to get the
delegability of the misaligned trap exception.
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Tested-by: Charlie Jenkins <charlie@rivosinc.com>
Link: https://lore.kernel.org/r/20250523101932.1594077-11-cleger@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
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Split the code that check for the uniformity of misaligned accesses
performance on all cpus from check_unaligned_access_emulated_all_cpus()
to its own function which will be used for delegation check. No
functional changes intended.
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Tested-by: Charlie Jenkins <charlie@rivosinc.com>
Link: https://lore.kernel.org/r/20250523101932.1594077-10-cleger@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
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While misaligned_access_speed was defined in a file compile with
CONFIG_RISCV_MISALIGNED, its definition was under
CONFIG_RISCV_SCALAR_MISALIGNED. This resulted in compilation problems
when using it in a file compiled with CONFIG_RISCV_MISALIGNED.
Move the declaration under CONFIG_RISCV_MISALIGNED so that it can be
used unconditionnally when compiled with that config and remove the check
for that variable in traps_misaligned.c.
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Tested-by: Charlie Jenkins <charlie@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20250523101932.1594077-9-cleger@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
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schedule_on_each_cpu() was used without any good reason while documented
as very slow. This call was in the boot path, so better use
on_each_cpu() for scalar misaligned checking. Vector misaligned check
still needs to use schedule_on_each_cpu() since it requires irqs to be
enabled but that's less of a problem since this code is ran in a kthread.
Add a comment to explicit that.
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Tested-by: Charlie Jenkins <charlie@rivosinc.com>
Link: https://lore.kernel.org/r/20250523101932.1594077-8-cleger@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
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