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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fix from Mikulas Patocka:
- dm-bufio: fix scheduling in atomic
* tag 'for-6.16/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm-bufio: fix sched in atomic context
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Fixes for a few clk drivers and bindings:
- Add a missing property to the Mediatek MT8188 clk binding to
keep binding checks happy
- Avoid an OOB by setting the correct number of parents in
dispmix_csr_clk_dev_data
- Allocate clk_hw structs early in probe to avoid an ordering
issue where clk_parent_data points to an unallocated clk_hw
when the child clk is registered before the parent clk in the
SCMI clk driver
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
dt-bindings: clock: mediatek: Add #reset-cells property for MT8188
clk: imx: Fix an out-of-bounds access in dispmix_csr_clk_dev_data
clk: scmi: Handle case where child clocks are initialized before their parents
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Update Kirill's email address
- Allow hugetlb PMD sharing only on 64-bit as it doesn't make a whole
lotta sense on 32-bit
- Add fixes for a misconfigured AMD Zen2 client which wasn't even
supposed to run Linux
* tag 'x86_urgent_for_v6.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
MAINTAINERS: Update Kirill Shutemov's email address for TDX
x86/mm: Disable hugetlb page table sharing on 32-bit
x86/CPU/AMD: Disable INVLPGB on Zen2
x86/rdrand: Disable RDSEED on AMD Cyan Skillfish
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Borislav Petkov:
- Fix a case of recursive locking in the MSI code
- Fix a randconfig build failure in armada-370-xp irqchip
* tag 'irq_urgent_for_v6.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/irq-msi-lib: Fix build with PCI disabled
PCI/MSI: Prevent recursive locking in pci_msix_write_tph_tag()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fix from Borislav Petkov:
- Prevent perf_sigtrap() from observing an exiting task and warning
about it
* tag 'perf_urgent_for_v6.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/core: Fix WARN in perf_sigtrap()
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"19 hotfixes. A whopping 16 are cc:stable and the remainder address
post-6.15 issues or aren't considered necessary for -stable kernels.
14 are for MM. Three gdb-script fixes and a kallsyms build fix"
* tag 'mm-hotfixes-stable-2025-07-11-16-16' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
Revert "sched/numa: add statistics of numa balance task"
mm: fix the inaccurate memory statistics issue for users
mm/damon: fix divide by zero in damon_get_intervals_score()
samples/damon: fix damon sample mtier for start failure
samples/damon: fix damon sample wsse for start failure
samples/damon: fix damon sample prcl for start failure
kasan: remove kasan_find_vm_area() to prevent possible deadlock
scripts: gdb: vfs: support external dentry names
mm/migrate: fix do_pages_stat in compat mode
mm/damon/core: handle damon_call_control as normal under kdmond deactivation
mm/rmap: fix potential out-of-bounds page table access during batched unmap
mm/hugetlb: don't crash when allocating a folio if there are no resv
scripts/gdb: de-reference per-CPU MCE interrupts
scripts/gdb: fix interrupts.py after maple tree conversion
maple_tree: fix mt_destroy_walk() on root leaf node
mm/vmalloc: leave lazy MMU mode on PTE mapping error
scripts/gdb: fix interrupts display after MCP on x86
lib/alloc_tag: do not acquire non-existent lock in alloc_tag_top_users()
kallsyms: fix build without execinfo
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git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs fixes from Gao Xiang:
"Fix for a cache aliasing issue by adding missing flush_dcache_folio(),
which causes execution failures on some arm32 setups.
Fix for large compressed fragments, which could be generated by
-Eall-fragments option (but should be rare) and was rejected by
mistake due to an on-disk hardening commit.
The remaining ones are small fixes. Summary:
- Address cache aliasing for mappable page cache folios
- Allow readdir() to be interrupted
- Fix large fragment handling which was errored out by mistake
- Add missing tracepoints
- Use memcpy_to_folio() to replace copy_to_iter() for inline data"
* tag 'erofs-for-6.16-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: fix large fragment handling
erofs: allow readdir() to be interrupted
erofs: address D-cache aliasing
erofs: use memcpy_to_folio() to replace copy_to_iter()
erofs: fix to add missing tracepoint in erofs_read_folio()
erofs: fix to add missing tracepoint in erofs_readahead()
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Pull bcachefs fixes from Kent Overstreet.
* tag 'bcachefs-2025-07-11' of git://evilpiepirate.org/bcachefs:
bcachefs: Don't set BCH_FS_error on transaction restart
bcachefs: Fix additional misalignment in journal space calculations
bcachefs: Don't schedule non persistent passes persistently
bcachefs: Fix bch2_btree_transactions_read() synchronization
bcachefs: btree read retry fixes
bcachefs: btree node scan no longer uses btree cache
bcachefs: Tweak btree cache helpers for use by btree node scan
bcachefs: Fix btree for nonexistent tree depth
bcachefs: Fix bch2_io_failures_to_text()
bcachefs: bch2_fpunch_snapshot()
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Pull smb server fixes from Steve French:
- fix use after free in lease break
- small fix for freeing rdma transport (fixes missing logging of
cm_qp_destroy)
- fix write count leak
* tag 'v6.16-rc5-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: fix potential use-after-free in oplock/lease break ack
ksmbd: fix a mount write count leak in ksmbd_vfs_kern_path_locked()
smb: server: make use of rdma_destroy_qp()
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git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI fixes from Bjorn Helgaas:
- Track apple Root Ports explicitly and look up the driver data from
the struct device instead of using dev->driver_data, which is used by
pci_host_common_init() for the generic host bridge pointer (Marc
Zyngier)
- Set dev->driver_data before pci_host_common_init() calls
gen_pci_init() because some drivers need it to set up ECAM mappings;
this fixes a regression on MicroChip MPFS Icicle (Geert Uytterhoeven)
- Revert the now-unnecessary use of ECAM pci_config_window.priv to
store a copy of dev->driver_data (Marc Zyngier)
* tag 'pci-v6.16-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
Revert "PCI: ecam: Allow cfg->priv to be pre-populated from the root port device"
PCI: host-generic: Set driver_data before calling gen_pci_init()
PCI: apple: Add tracking of probed root ports
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Pull drm fixes from Simona Vetter:
"Cross-subsystem Changes:
- agp/amd64 binding dmesg noise regression fix
Core Changes:
- fix race in gem_handle_create_tail
- fixup handle_count fb refcount regression from -rc5, popular with
reports ...
- call rust dtor for drm_device release
Driver Changes:
- nouveau: magic 50ms suspend fix, acpi leak fix
- tegra: dma api error in nvdec
- pvr: fix device reset
- habanalbs maintainer update
- intel display: fix some dsi mipi sequences
- xe fixes: SRIOV fixes, small GuC fixes, disable indirect ring due
to issues, compression fix for fragmented BO, doc update
* tag 'drm-fixes-2025-07-12' of https://gitlab.freedesktop.org/drm/kernel: (22 commits)
drm/xe/guc: Default log level to non-verbose
drm/xe/bmg: Don't use WA 16023588340 and 22019338487 on VF
drm/xe/guc: Recommend GuC v70.46.2 for BMG, LNL, DG2
drm/xe/pm: Correct comment of xe_pm_set_vram_threshold()
drm/xe: Release runtime pm for error path of xe_devcoredump_read()
drm/xe/pm: Restore display pm if there is error after display suspend
drm/i915/bios: Apply vlv_fixup_mipi_sequences() to v2 mipi-sequences too
drm/gem: Fix race in drm_gem_handle_create_tail()
drm/framebuffer: Acquire internal references on GEM handles
agp/amd64: Check AGP Capability before binding to unsupported devices
drm/xe/bmg: fix compressed VRAM handling
Revert "drm/xe/xe2: Enable Indirect Ring State support for Xe2"
drm/xe: Allocate PF queue size on pow2 boundary
drm/xe/pf: Clear all LMTT pages on alloc
drm/nouveau/gsp: fix potential leak of memory used during acpi init
rust: drm: remove unnecessary imports
MAINTAINERS: Change habanalabs maintainer
drm/imagination: Fix kernel crash when hard resetting the GPU
drm/tegra: nvdec: Fix dma_alloc_coherent error check
rust: drm: device: drop_in_place() the drm::Device in release()
...
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This reverts commit 8c44dac8add7503c345c0f6c7962e4863b88ba42.
I haven't figured out what the actual bug in this commit is, but I did
spend a lot of time chasing it down and eventually succeeded in
bisecting it down to this.
For some reason, this eventpoll commit ends up causing delays and stuck
user space processes, but it only happens on one of my machines, and
only during early boot or during the flurry of initial activity when
logging in.
I must be triggering some very subtle timing issue, but once I figured
out the behavior pattern that made it reasonably reliable to trigger, it
did bisect right to this, and reverting the commit fixes the problem.
Of course, that was only after I had failed at bisecting it several
times, and had flailed around blaming both the drm people and the
netlink people for the odd problems. The most obvious of which happened
at the time of the first graphical login (the most common symptom being
that some gnome app aborted due to a 30s timeout, often leading to the
whole session then failing if it was some critical component like
gnome-shell or similar).
Acked-by: Nam Cao <namcao@linutronix.de>
Cc: Frederic Weisbecker <frederic@kernel.org>
Cc: Valentin Schneider <vschneid@redhat.com>
Cc: Christian Brauner <brauner@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fragments aren't limited by Z_EROFS_PCLUSTER_MAX_DSIZE. However, if
a fragment's logical length is larger than Z_EROFS_PCLUSTER_MAX_DSIZE
but the fragment is not the whole inode, it currently returns
-EOPNOTSUPP because m_flags has the wrong EROFS_MAP_ENCODED flag set.
It is not intended by design but should be rare, as it can only be
reproduced by mkfs with `-Eall-fragments` in a specific case.
Let's normalize fragment m_flags using the new EROFS_MAP_FRAGMENT.
Reported-by: Axel Fontaine <axel@axelfontaine.com>
Closes: https://github.com/erofs/erofs-utils/issues/23
Fixes: 7c3ca1838a78 ("erofs: restrict pcluster size limitations")
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20250711195826.3601157-1-hsiangkao@linux.alibaba.com
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Pull block fixes from Jens Axboe:
- MD changes via Yu:
- fix UAF due to stack memory used for bio mempool (Jinchao)
- fix raid10/raid1 nowait IO error path (Nigel and Qixing)
- fix kernel crash from reading bitmap sysfs entry (Håkon)
- Fix for a UAF in the nbd connect error path
- Fix for blocksize being bigger than pagesize, if THP isn't enabled
* tag 'block-6.16-20250710' of git://git.kernel.dk/linux:
block: reject bs > ps block devices when THP is disabled
nbd: fix uaf in nbd_genl_connect() error path
md/md-bitmap: fix GPF in bitmap_get_stats()
md/raid1,raid10: strip REQ_NOWAIT from member bios
raid10: cleanup memleak at raid10_make_request
md/raid1: Fix stack memory use after return in raid1_reshape
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Pull io_uring fixes from Jens Axboe:
- Remove a pointless warning in the zcrx code
- Fix for MSG_RING commands, where the allocated io_kiocb
needs to be freed under RCU as well
- Revert the work-around we had in place for the anon inodes
pretending to be regular files. Since that got reworked
upstream, the work-around is no longer needed
* tag 'io_uring-6.16-20250710' of git://git.kernel.dk/linux:
Revert "io_uring: gate REQ_F_ISREG on !S_ANON_INODE as well"
io_uring/msg_ring: ensure io_kiocb freeing is deferred for RCU
io_uring/zcrx: fix pp destruction warnings
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull more networking fixes from Jakub Kicinski
"Big chunk of fixes for WiFi, Johannes says probably the last for the
release.
The Netlink fixes (on top of the tree) restore operation of iw (WiFi
CLI) which uses sillily small recv buffer, and is the reason for this
'emergency PR'.
The GRE multicast fix also stands out among the user-visible
regressions.
Current release - fix to a fix:
- netlink: make sure we always allow at least one skb to be queued,
even if the recvbuf is (mis)configured to be tiny
Previous releases - regressions:
- gre: fix IPv6 multicast route creation
Previous releases - always broken:
- wifi: prevent A-MSDU attacks in mesh networks
- wifi: cfg80211: fix S1G beacon head validation and detection
- wifi: mac80211:
- always clear frame buffer to prevent stack leak in cases which
hit a WARN()
- fix monitor interface in device restart
- wifi: mwifiex: discard erroneous disassoc frames on STA interface
- wifi: mt76:
- prevent null-deref in mt7925_sta_set_decap_offload()
- add missing RCU annotations, and fix sleep in atomic
- fix decapsulation offload
- fixes for scanning
- phy: microchip: improve link establishment and reset handling
- eth: mlx5e: fix race between DIM disable and net_dim()
- bnxt_en: correct DMA unmap len for XDP_REDIRECT"
* tag 'net-6.16-rc6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (44 commits)
netlink: make sure we allow at least one dump skb
netlink: Fix rmem check in netlink_broadcast_deliver().
bnxt_en: Set DMA unmap len correctly for XDP_REDIRECT
bnxt_en: Flush FW trace before copying to the coredump
bnxt_en: Fix DCB ETS validation
net: ll_temac: Fix missing tx_pending check in ethtools_set_ringparam()
net/mlx5e: Add new prio for promiscuous mode
net/mlx5e: Fix race between DIM disable and net_dim()
net/mlx5: Reset bw_share field when changing a node's parent
can: m_can: m_can_handle_lost_msg(): downgrade msg lost in rx message to debug level
selftests: net: lib: fix shift count out of range
selftests: Add IPv6 multicast route generation tests for GRE devices.
gre: Fix IPv6 multicast route creation.
net: phy: microchip: limit 100M workaround to link-down events on LAN88xx
net: phy: microchip: Use genphy_soft_reset() to purge stale LPA bits
ibmvnic: Fix hardcoded NUM_RX_STATS/NUM_TX_STATS with dynamic sizeof
net: appletalk: Fix device refcount leak in atrtr_create()
netfilter: flowtable: account for Ethernet header in nf_flow_pppoe_proto()
wifi: mac80211: add the virtual monitor after reconfig complete
wifi: mac80211: always initialize sdata::key_list
...
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix performance regression when setting values of multiple GPIO lines
at once
- make sure the GPIO OF xlate code doesn't end up passing an
uninitialized local variable to GPIO core
- update MAINTAINERS
* tag 'gpio-fixes-for-v6.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
MAINTAINERS: remove bouncing address for Nandor Han
gpio: of: initialize local variable passed to the .of_xlate() callback
gpiolib: fix performance regression when using gpio_chip_get_multiple()
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"Fix a coding mistake in a previous fix related to system suspend and
hibernation merged recently"
* tag 'pm-6.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: sleep: Call pm_restore_gfp_mask() after dpm_resume()
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git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux
Pull dma-mapping fix from Marek Szyprowski:
- small fix relevant to arm64 server and custom CMA configuration (Feng
Tang)
* tag 'dma-mapping-6.16-2025-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux:
dma-contiguous: hornor the cma address limit setup by user
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Commit under Fixes tightened up the memory accounting for Netlink
sockets. Looks like the accounting is too strict for some existing
use cases, Marek reported issues with nl80211 / WiFi iw CLI.
To reduce number of iterations Netlink dumps try to allocate
messages based on the size of the buffer passed to previous
recvmsg() calls. If user space uses a larger buffer in recvmsg()
than sk_rcvbuf we will allocate an skb we won't be able to queue.
Make sure we always allow at least one skb to be queued.
Same workaround is already present in netlink_attachskb().
Alternative would be to cap the allocation size to
rcvbuf - rmem_alloc
but as I said, the workaround is already present in other places.
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/9794af18-4905-46c6-b12c-365ea2f05858@samsung.com
Fixes: ae8f160e7eb2 ("netlink: Fix wraparounds of sk->sk_rmem_alloc.")
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250711001121.3649033-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We need to allow queuing at least one skb even when skb is
larger than sk->sk_rcvbuf.
The cited commit made a mistake while converting a condition
in netlink_broadcast_deliver().
Let's correct the rmem check for the allow-one-skb rule.
Fixes: ae8f160e7eb24 ("netlink: Fix wraparounds of sk->sk_rmem_alloc.")
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250711053208.2965945-1-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Michael Chan says:
====================
bnxt_en: 3 bug fixes
The first one fixes a possible failure when setting DCB ETS.
The second one fixes the ethtool coredump (-W 2) not containing
all the FW traces. The third one fixes the DMA unmap length when
transmitting XDP_REDIRECT packets.
====================
Link: https://patch.msgid.link/20250710213938.1959625-1-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When transmitting an XDP_REDIRECT packet, call dma_unmap_len_set()
with the proper length instead of 0. This bug triggers this warning
on a system with IOMMU enabled:
WARNING: CPU: 36 PID: 0 at drivers/iommu/dma-iommu.c:842 __iommu_dma_unmap+0x159/0x170
RIP: 0010:__iommu_dma_unmap+0x159/0x170
Code: a8 00 00 00 00 48 c7 45 b0 00 00 00 00 48 c7 45 c8 00 00 00 00 48 c7 45 a0 ff ff ff ff 4c 89 45
b8 4c 89 45 c0 e9 77 ff ff ff <0f> 0b e9 60 ff ff ff e8 8b bf 6a 00 66 66 2e 0f 1f 84 00 00 00 00
RSP: 0018:ff22d31181150c88 EFLAGS: 00010206
RAX: 0000000000002000 RBX: 00000000e13a0000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ff22d31181150cf0 R08: ff22d31181150ca8 R09: 0000000000000000
R10: 0000000000000000 R11: ff22d311d36c9d80 R12: 0000000000001000
R13: ff13544d10645010 R14: ff22d31181150c90 R15: ff13544d0b2bac00
FS: 0000000000000000(0000) GS:ff13550908a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005be909dacff8 CR3: 0008000173408003 CR4: 0000000000f71ef0
PKRU: 55555554
Call Trace:
<IRQ>
? show_regs+0x6d/0x80
? __warn+0x89/0x160
? __iommu_dma_unmap+0x159/0x170
? report_bug+0x17e/0x1b0
? handle_bug+0x46/0x90
? exc_invalid_op+0x18/0x80
? asm_exc_invalid_op+0x1b/0x20
? __iommu_dma_unmap+0x159/0x170
? __iommu_dma_unmap+0xb3/0x170
iommu_dma_unmap_page+0x4f/0x100
dma_unmap_page_attrs+0x52/0x220
? srso_alias_return_thunk+0x5/0xfbef5
? xdp_return_frame+0x2e/0xd0
bnxt_tx_int_xdp+0xdf/0x440 [bnxt_en]
__bnxt_poll_work_done+0x81/0x1e0 [bnxt_en]
bnxt_poll+0xd3/0x1e0 [bnxt_en]
Fixes: f18c2b77b2e4 ("bnxt_en: optimized XDP_REDIRECT support")
Signed-off-by: Somnath Kotur <somnath.kotur@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20250710213938.1959625-4-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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bnxt_fill_drv_seg_record() calls bnxt_dbg_hwrm_log_buffer_flush()
to flush the FW trace buffer. This needs to be done before we
call bnxt_copy_ctx_mem() to copy the trace data.
Without this fix, the coredump may not contain all the FW
traces.
Fixes: 3c2179e66355 ("bnxt_en: Add FW trace coredump segments to the coredump")
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Shruti Parab <shruti.parab@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20250710213938.1959625-3-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In bnxt_ets_validate(), the code incorrectly loops over all possible
traffic classes to check and add the ETS settings. Fix it to loop
over the configured traffic classes only.
The unconfigured traffic classes will default to TSA_ETS with 0
bandwidth. Looping over these unconfigured traffic classes may
cause the validation to fail and trigger this error message:
"rejecting ETS config starving a TC\n"
The .ieee_setets() will then fail.
Fixes: 7df4ae9fe855 ("bnxt_en: Implement DCBNL to support host-based DCBX.")
Reviewed-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Shravya KN <shravya.k-n@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20250710213938.1959625-2-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The function ll_temac_ethtools_set_ringparam() incorrectly checked
rx_pending twice, once correctly for RX and once mistakenly in place
of tx_pending. This caused tx_pending to be left unchecked against
TX_BD_NUM_MAX.
As a result, invalid TX ring sizes may have been accepted or valid
ones wrongly rejected based on the RX limit, leading to potential
misconfiguration or unexpected results.
This patch corrects the condition to properly validate tx_pending.
Fixes: f7b261bfc35e ("net: ll_temac: Make RX/TX ring sizes configurable")
Signed-off-by: Alok Tiwari <alok.a.tiwari@oracle.com>
Link: https://patch.msgid.link/20250710180621.2383000-1-alok.a.tiwari@oracle.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Tariq Toukan says:
====================
mlx5 misc fixes 2025-07-10
This small patchset provides misc bug fixes from the team to the mlx5
core and EN drivers.
====================
Link: https://patch.msgid.link/1752155624-24095-1-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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An optimization for promiscuous mode adds a high-priority steering
table with a single catch-all rule to steer all traffic directly to
the TTC table.
However, a gap exists between the creation of this table and the
insertion of the catch-all rule. Packets arriving in this brief window
would miss as no rule was inserted yet, unnecessarily incrementing the
'rx_steer_missed_packets' counter and dropped.
This patch resolves the issue by introducing a new prio for this
table, placing it between MLX5E_TC_PRIO and MLX5E_NIC_PRIO. By doing
so, packets arriving during the window now fall through to the next
prio (at MLX5E_NIC_PRIO) instead of being dropped.
Fixes: 1c46d7409f30 ("net/mlx5e: Optimize promiscuous mode")
Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/1752155624-24095-4-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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There's a race between disabling DIM and NAPI callbacks using the dim
pointer on the RQ or SQ.
If NAPI checks the DIM state bit and sees it still set, it assumes
`rq->dim` or `sq->dim` is valid. But if DIM gets disabled right after
that check, the pointer might already be set to NULL, leading to a NULL
pointer dereference in net_dim().
Fix this by calling `synchronize_net()` before freeing the DIM context.
This ensures all in-progress NAPI callbacks are finished before the
pointer is cleared.
Kernel log:
BUG: kernel NULL pointer dereference, address: 0000000000000000
...
RIP: 0010:net_dim+0x23/0x190
...
Call Trace:
<TASK>
? __die+0x20/0x60
? page_fault_oops+0x150/0x3e0
? common_interrupt+0xf/0xa0
? sysvec_call_function_single+0xb/0x90
? exc_page_fault+0x74/0x130
? asm_exc_page_fault+0x22/0x30
? net_dim+0x23/0x190
? mlx5e_poll_ico_cq+0x41/0x6f0 [mlx5_core]
? sysvec_apic_timer_interrupt+0xb/0x90
mlx5e_handle_rx_dim+0x92/0xd0 [mlx5_core]
mlx5e_napi_poll+0x2cd/0xac0 [mlx5_core]
? mlx5e_poll_ico_cq+0xe5/0x6f0 [mlx5_core]
busy_poll_stop+0xa2/0x200
? mlx5e_napi_poll+0x1d9/0xac0 [mlx5_core]
? mlx5e_trigger_irq+0x130/0x130 [mlx5_core]
__napi_busy_loop+0x345/0x3b0
? sysvec_call_function_single+0xb/0x90
? asm_sysvec_call_function_single+0x16/0x20
? sysvec_apic_timer_interrupt+0xb/0x90
? pcpu_free_area+0x1e4/0x2e0
napi_busy_loop+0x11/0x20
xsk_recvmsg+0x10c/0x130
sock_recvmsg+0x44/0x70
__sys_recvfrom+0xbc/0x130
? __schedule+0x398/0x890
__x64_sys_recvfrom+0x20/0x30
do_syscall_64+0x4c/0x100
entry_SYSCALL_64_after_hwframe+0x4b/0x53
...
---[ end trace 0000000000000000 ]---
...
---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---
Fixes: 445a25f6e1a2 ("net/mlx5e: Support updating coalescing configuration without resetting channels")
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/1752155624-24095-3-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When changing a node's parent, its scheduling element is destroyed and
re-created with bw_share 0. However, the node's bw_share field was not
updated accordingly.
Set the node's bw_share to 0 after re-creation to keep the software
state in sync with the firmware configuration.
Fixes: 9c7bbf4c3304 ("net/mlx5: Add support for setting parent of nodes")
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/1752155624-24095-2-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Update MAINTAINERS to use my @kernel.org email address.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/all/20250708101922.50560-4-kirill.shutemov%40linux.intel.com
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2025-07-11
Sean Nyekjaer's patch targets the m_can driver and demotes the "msg
lost in rx" message to debug level to prevent flooding the kernel log
with error messages.
* tag 'linux-can-fixes-for-6.16-20250711' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: m_can: m_can_handle_lost_msg(): downgrade msg lost in rx message to debug level
====================
Link: https://patch.msgid.link/20250711102451.2828802-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
drm-misc-fixes for v6.16-rc6 or final:
- Fix nouveau fail on debugfs errors.
- Magic 50 ms to fix nouveau suspend.
- Call rust destructor on drm device release.
- Fix DMA api error handling in tegra/nvdec.
- Fix PVR device reset.
- Habanalabs maintainer update.
- Small memory leak fix when nouveau acpi init fails.
- Do not attempt to bind to any PCI device with AGP capability.
- Make FB's acquire handles on backing object, same as i915/xe already does.
- Fix race in drm_gem_handle_create_tail.
Signed-off-by: Simona Vetter <simona.vetter@ffwll.ch>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/e522cdc7-1787-48f2-97e5-0f94783970ab@linux.intel.com
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debug level
Downgrade the "msg lost in rx" message to debug level, to prevent
flooding the kernel log with error messages.
Fixes: e0d1f4816f2a ("can: m_can: add Bosch M_CAN controller support")
Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Signed-off-by: Sean Nyekjaer <sean@geanix.com>
Link: https://patch.msgid.link/20250711-mcan_ratelimit-v3-1-7413e8e21b84@geanix.com
[mkl: enhance commit message]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
Driver Changes:
- Clear LMTT page to avoid leaking data from one VF to another
- Align PF queue size to power of 2
- Disable Indirect Ring State to avoid intermittent issues on context
switch: feature is not currently needed, so can be disabled for now.
- Fix compression handling when the BO pages are very fragmented
- Restore display pm on error path
- Fix runtime pm handling in xe devcoredump
- Fix xe_pm_set_vram_threshold() doc
- Recommend new minor versions of GuC firmware
- Drop some workarounds on VF
- Do not use verbose GuC logging by default: it should be only for
debugging
Signed-off-by: Simona Vetter <simona.vetter@ffwll.ch>
From: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/s6jyd24mimbzb4vxtgc5vupvbyqplfep2c6eupue7znnlbhuxy@lmvzexfzhrnn
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https://gitlab.freedesktop.org/drm/i915/kernel into drm-fixes
Short summary of fixes:
- DSI panel's version 2 mipi-sequences fix (Hans)
Signed-off-by: Simona Vetter <simona.vetter@ffwll.ch>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/aHA_eR0G7X2P6_ib@intel.com
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Nandor's address has been bouncing for some time now. Remove it from
MAINTAINERS. The affected driver falls under the wider umbrella of GPIO
modules.
Link: https://lore.kernel.org/r/20250709071825.16212-1-brgl@bgdev.pl
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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Currently xe sets the guc log level to a verbose level since it's useful
to debug hangs and general development. However the verbose level may
already be too much and affect performance.
Michal Mrozek did some tests with the L0 compute stack for submission
latency with ULLS disabled. Below are the normalized numbers with log
level 3 (the current default) as baseline for each test:
Test \ Log Level 3 0 1 2
----------------------------------------------------------- ------ ------ ------ ------
BestWalkerNthCommandListSubmission(CmdListCount=2) 1.00 0.63 0.63 0.96
BestWalkerNthSubmission(KernelCount=2) 1.00 0.62 0.63 0.96
BestWalkerNthSubmissionImmediate(KernelCount=2) 1.00 0.58 0.58 0.85
BestWalkerSubmission 1.00 0.62 0.62 0.96
BestWalkerSubmissionImmediate 1.00 0.63 0.62 0.96
BestWalkerSubmissionImmediateMultiCmdlists(cmdlistCount=2) 1.00 0.58 0.58 0.86
BestWalkerSubmissionImmediateMultiCmdlists(cmdlistCount=4) 1.00 0.70 0.70 0.83
BestWalkerSubmissionImmediateMultiCmdlists(cmdlistCount=8) 1.00 0.53 0.52 0.78
Log level 2 is the first "verbose level" for GuC, where the biggest
difference happens. Keep log level 3 for CONFIG_DRM_XE_DEBUG, but switch
to 1, i.e. GUC_LOG_LEVEL_NON_VERBOSE, for "normal" builds.
Cc: Michal Mrozek <michal.mrozek@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://lore.kernel.org/r/20250613-guc-log-level-v2-1-cb84a63e49fe@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit a37128ba613ad6a5f81f382fa3cfe5c4a6527310)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
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These workarounds are not applicable for use by the VFs.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Tested-by: Jakub Kolakowski <jakub1.kolakowski@intel.com>
Reviewed-by: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
Signed-off-by: Jakub Kolakowski <jakub1.kolakowski@intel.com>
Link: https://lore.kernel.org/r/20250710103040.375610-2-jakub1.kolakowski@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit 1d2e2503e506ddc499cbb7afdc8b70bcf6fe241f)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
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UAPI compatibility version 1.22.2
Resolves various bugs. Recommend newer version.
Signed-off-by: Julia Filipchuk <julia.filipchuk@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/20250626182805.1701096-13-daniele.ceraolospurio@intel.com
(cherry picked from commit 0b64addcae7f04745bc5f62d41e27268052f812e)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
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The parameter threshold is with size in MiB, not in bits.
Correct it to avoid any confusion.
v2: s/mb/MiB, s/vram/VRAM, fix return section. (Michal)
Fixes: 30c399529f4c ("drm/xe: Document Xe PM component")
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Shuicheng Lin <shuicheng.lin@intel.com>
Link: https://lore.kernel.org/r/20250708021450.3602087-2-shuicheng.lin@intel.com
Reviewed-by: Stuart Summers <stuart.summers@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 0efec0500117947f924e5ac83be40f96378af85a)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
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xe_pm_runtime_put() is missed to be called for the error path in
xe_devcoredump_read().
Add function description comments for xe_devcoredump_read() to help
understand it.
v2: more detail function comments and refine goto logic (Matt)
Fixes: c4a2e5f865b7 ("drm/xe: Add devcoredump chunking")
Cc: stable@vger.kernel.org
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Shuicheng Lin <shuicheng.lin@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250707004911.3502904-6-shuicheng.lin@intel.com
(cherry picked from commit 017ef1228d735965419ff118fe1b89089e772c42)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
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xe_bo_evict_all() is called after xe_display_pm_suspend(). So if there
is error with xe_bo_evict_all(), display pm should be restored.
Fixes: 51462211f4a9 ("drm/xe/pxp: add PXP PM support")
Fixes: cb8f81c17531 ("drm/xe/display: Make display suspend/resume work on discrete")
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Signed-off-by: Shuicheng Lin <shuicheng.lin@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://lore.kernel.org/r/20250708035424.3608190-2-shuicheng.lin@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 83dcee17855c4e5af037ae3262809036de127903)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
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I got the following warning when writing other tests:
+ handle_test_result_pass 'bond 802.3ad' '(lacp_active off)'
+ local 'test_name=bond 802.3ad'
+ shift
+ local 'opt_str=(lacp_active off)'
+ shift
+ log_test_result 'bond 802.3ad' '(lacp_active off)' ' OK '
+ local 'test_name=bond 802.3ad'
+ shift
+ local 'opt_str=(lacp_active off)'
+ shift
+ local 'result= OK '
+ shift
+ local retmsg=
+ shift
/net/tools/testing/selftests/net/forwarding/../lib.sh: line 315: shift: shift count out of range
This happens because an extra shift is executed even after all arguments
have been consumed. Remove the last shift in log_test_result() to avoid
this warning.
Fixes: a923af1ceee7 ("selftests: forwarding: Convert log_test() to recognize RET values")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://patch.msgid.link/20250709091244.88395-1-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Guillaume Nault says:
====================
gre: Fix default IPv6 multicast route creation.
When fixing IPv6 link-local address generation on GRE devices with
commit 3e6a0243ff00 ("gre: Fix again IPv6 link-local address
generation."), I accidentally broke the default IPv6 multicast route
creation on these GRE devices.
Fix that in patch 1, making the GRE specific code yet a bit closer to
the generic code used by most other network interface types.
Then extend the selftest in patch 2 to cover this case.
====================
Link: https://patch.msgid.link/cover.1752070620.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The previous patch fixes a bug that prevented the creation of the
default IPv6 multicast route (ff00::/8) for some GRE devices. Now let's
extend the GRE IPv6 selftests to cover this case.
Also, rename check_ipv6_ll_addr() to check_ipv6_device_config() and
adapt comments and script output to take into account the fact that
we're not limited to link-local address generation.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/65a89583bde3bf866a1922c2e5158e4d72c520e2.1752070620.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use addrconf_add_dev() instead of ipv6_find_idev() in
addrconf_gre_config() so that we don't just get the inet6_dev, but also
install the default ff00::/8 multicast route.
Before commit 3e6a0243ff00 ("gre: Fix again IPv6 link-local address
generation."), the multicast route was created at the end of the
function by addrconf_add_mroute(). But this code path is now only taken
in one particular case (gre devices not bound to a local IP address and
in EUI64 mode). For all other cases, the function exits early and
addrconf_add_mroute() is not called anymore.
Using addrconf_add_dev() instead of ipv6_find_idev() in
addrconf_gre_config(), fixes the problem as it will create the default
multicast route for all gre devices. This also brings
addrconf_gre_config() a bit closer to the normal netdevice IPv6
configuration code (addrconf_dev_config()).
Cc: stable@vger.kernel.org
Fixes: 3e6a0243ff00 ("gre: Fix again IPv6 link-local address generation.")
Reported-by: Aiden Yang <ling@moedove.com>
Closes: https://lore.kernel.org/netdev/CANR=AhRM7YHHXVxJ4DmrTNMeuEOY87K2mLmo9KMed1JMr20p6g@mail.gmail.com/
Reviewed-by: Gary Guo <gary@garyguo.net>
Tested-by: Gary Guo <gary@garyguo.net>
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/027a923dcb550ad115e6d93ee8bb7d310378bd01.1752070620.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Oleksij Rempel says:
====================
net: phy: microchip: LAN88xx reliability fixes
This patch series improves the reliability of the Microchip LAN88xx
PHYs, particularly in edge cases involving fixed link configurations or
forced speed modes.
Patch 1 assigns genphy_soft_reset() to the .soft_reset hook to ensure
that stale link partner advertisement (LPA) bits are properly cleared
during reconfiguration. Without this, outdated autonegotiation bits may
remain visible in some parallel detection cases.
Patch 2 restricts the 100 Mbps workaround (originally intended to handle
cable length switching) to only run when the link transitions to the
PHY_NOLINK state. This prevents repeated toggling that can confuse
autonegotiating link partners such as the Intel i350, leading to
unstable link cycles.
Both patches were tested on a LAN7850 (with integrated LAN88xx PHY)
against an Intel I350 NIC. The full test suite - autonegotiation, fixed
link, and parallel detection - passed successfully.
====================
Link: https://patch.msgid.link/20250709130753.3994461-1-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Restrict the 100Mbit forced-mode workaround to link-down transitions
only, to prevent repeated link reset cycles in certain configurations.
The workaround was originally introduced to improve signal reliability
when switching cables between long and short distances. It temporarily
forces the PHY into 10 Mbps before returning to 100 Mbps.
However, when used with autonegotiating link partners (e.g., Intel i350),
executing this workaround on every link change can confuse the partner
and cause constant renegotiation loops. This results in repeated link
down/up transitions and the PHY never reaching a stable state.
Limit the workaround to only run during the PHY_NOLINK state. This ensures
it is triggered only once per link drop, avoiding disruptive toggling
while still preserving its intended effect.
Note: I am not able to reproduce the original issue that this workaround
addresses. I can only confirm that 100 Mbit mode works correctly in my
test setup. Based on code inspection, I assume the workaround aims to
reset some internal state machine or signal block by toggling speeds.
However, a PHY reset is already performed earlier in the function via
phy_init_hw(), which may achieve a similar effect. Without a reproducer,
I conservatively keep the workaround but restrict its conditions.
Fixes: e57cf3639c32 ("net: lan78xx: fix accessing the LAN7800's internal phy specific registers from the MAC driver")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250709130753.3994461-3-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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