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Vladimir Oltean 960ec92774 net: mscc: ocelot: serialize access to the injection/extraction groups 
[ Upstream commit c5e12ac3be ]

As explained by Horatiu Vultur in commit 603ead9658 ("net: sparx5: Add
spinlock for frame transmission from CPU") which is for a similar
hardware design, multiple CPUs can simultaneously perform injection
or extraction. There are only 2 register groups for injection and 2
for extraction, and the driver only uses one of each. So we'd better
serialize access using spin locks, otherwise frame corruption is
possible.

Note that unlike in sparx5, FDMA in ocelot does not have this issue
because struct ocelot_fdma_tx_ring already contains an xmit_lock.

I guess this is mostly a problem for NXP LS1028A, as that is dual core.
I don't think VSC7514 is. So I'm blaming the commit where LS1028A (aka
the felix DSA driver) started using register-based packet injection and
extraction.

Fixes: 0a6f17c6ae ("net: dsa: tag_ocelot_8021q: add support for PTP timestamping")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-08-29 17:30:43 +02:00
..
accessibility speakup: Fix sizeof() vs ARRAY_SIZE() bug 2024-06-12 11:02:55 +02:00
acpi ACPI: SBS: manage alarm sysfs attribute through psy core 2024-08-14 13:52:45 +02:00
amba amba: bus: fix refcount leak 2023-09-13 09:42:56 +02:00
android binder: fix hang of unregistered readers 2024-08-03 08:49:37 +02:00
ata Revert "ata: libata-scsi: Honor the D_SENSE bit for CK_COND=1 and no error" 2024-08-19 06:00:07 +02:00
atm atm: idt77252: prevent use after free in dequeue_rx() 2024-08-29 17:30:24 +02:00
auxdisplay auxdisplay: ht16k33: Drop reference after LED registration 2024-08-03 08:49:51 +02:00
base driver core: Fix uevent_show() vs driver detach race 2024-08-14 13:52:57 +02:00
bcma Interrupt subsystem updates: 2022-10-12 10:23:24 -07:00
block rbd: don't assume RBD_LOCK_STATE_LOCKED for exclusive mappings 2024-08-03 08:49:45 +02:00
bluetooth Bluetooth: btusb: Add Realtek RTL8852BE support ID 0x13d3:0x3591 2024-08-03 08:49:45 +02:00
bus bus: mhi: host: pci_generic: add support for Telit FE990 modem 2024-08-14 13:52:49 +02:00
cdrom cdrom: rearrange last_media_change check to avoid unintentional overflow 2024-07-11 12:47:10 +02:00
char char: xillybus: Check USB endpoints when probing device 2024-08-29 17:30:12 +02:00
clk clk: visconti: Add bounds-checking coverage for struct visconti_pll_provider 2024-08-29 17:30:31 +02:00
clocksource clocksource/drivers/arm_global_timer: Guard against division by zero 2024-08-29 17:30:36 +02:00
comedi comedi: vmk80xx: fix incomplete endpoint checking 2024-04-27 17:07:14 +02:00
connector connector/cn_proc: Use task_is_in_init_pid_ns() 2022-01-26 18:57:09 -08:00
counter counter: ti-eqep: enable clock at probe 2024-07-05 09:31:53 +02:00
cpufreq cpufreq: qcom-nvmem: fix memory leaks in probe error paths 2024-08-11 12:35:53 +02:00
cpuidle cpuidle: Avoid potential overflow in integer multiplication 2024-04-13 13:04:54 +02:00
crypto crypto: qat - extend scope of lock in adf_cfg_add_key_value_param() 2024-08-03 08:49:21 +02:00
cxl cxl/pci: Fix disabling memory if DVSEC CXL Range does not match a CFMWS window 2024-03-01 13:26:31 +01:00
dax dax/kmem: Pass valid argument to memory_group_register_static 2023-07-19 16:21:43 +02:00
dca dca: Use PTR_ERR_OR_ZERO() to simplify code 2020-05-15 16:25:20 +02:00
devfreq PM / devfreq: Synchronize devfreq_monitor_[start/stop] 2024-02-05 20:12:47 +00:00
dio drivers: dio: fix possible memory leak in dio_init() 2022-12-31 13:32:38 +01:00
dma dmaengine: ti: k3-udma: Fix BCHAN count with UHC and HC channels 2024-08-03 08:49:47 +02:00
dma-buf dma-buf/sw-sync: don't enable IRQ from sync_print_obj() 2024-06-12 11:03:55 +02:00
edac EDAC, i10nm: make skx_common.o a separate module 2024-08-03 08:48:52 +02:00
eisa EISA: use DEVICE_ATTR_RO() helper macro 2021-06-04 15:28:34 +02:00
extcon extcon: max8997: select IRQ_DOMAIN instead of depending on it 2024-06-12 11:03:41 +02:00
firewire firewire: nosy: ensure user_length is taken into account when fetching packet contents 2024-05-17 11:56:16 +02:00
firmware firmware: cirrus: cs_dsp: Initialize debugfs_root to invalid 2024-08-29 17:30:38 +02:00
fpga fpga: region: add owner module and take its refcount 2024-06-12 11:03:39 +02:00
fsi fsi: aspeed: Reset master errors after CFAM reset 2023-09-13 09:42:54 +02:00
gnss gnss: replace ida_simple API 2022-06-21 09:30:36 +02:00
gpio gpio: pca953x: fix pca953x_irq_bus_sync_unlock race 2024-07-25 09:49:15 +02:00
gpu drm/amdkfd: reserve the BO before validating it 2024-08-29 17:30:42 +02:00
greybus greybus: Fix use-after-free bug in gb_interface_release due to race condition. 2024-06-21 14:36:00 +02:00
hid HID: wacom: Modify pen IDs 2024-08-11 12:36:00 +02:00
hsi HSI: omap_ssi_core: Fix error handling in ssi_init() 2022-12-31 13:32:45 +01:00
hte hte: tegra: Fix missing error code in tegra_hte_test_probe() 2023-11-20 11:51:58 +01:00
hv Drivers: hv: vmbus: Don't free ring buffers that couldn't be re-encrypted 2024-05-17 11:56:08 +02:00
hwmon hwmon: (pc87360) Bounds check data->innr usage 2024-08-29 17:30:33 +02:00
hwspinlock hwspinlock: qcom: add missing regmap config for SFPB MMIO implementation 2023-09-19 12:28:05 +02:00
hwtracing coresight: Fix ref leak when of_coresight_parse_endpoint() fails 2024-08-03 08:49:18 +02:00
i2c i2c: tegra: Do not mark ACPI devices as irq safe 2024-08-29 17:30:41 +02:00
i3c i3c: mipi-i3c-hci: Do not unmap region not mapped for transfer 2024-08-29 17:30:29 +02:00
idle intel_idle: add Emerald Rapids Xeon support 2023-10-10 22:00:44 +02:00
iio iio: frequency: adrf6780: rm clk provider include 2024-08-03 08:49:17 +02:00
infiniband IB/hfi1: Fix potential deadlock on &irq_src_lock and &dd->uctxt_lock 2024-08-29 17:30:32 +02:00
input Input: elan_i2c - do not leave interrupt disabled on suspend failure 2024-08-03 08:49:21 +02:00
interconnect interconnect: qcom: qcm2290: Fix mas_snoc_bimc RPM master ID 2024-08-03 08:49:19 +02:00
iommu iommu: sprd: Avoid NULL deref in sprd_iommu_hw_en 2024-08-03 08:49:53 +02:00
ipack Char/Misc and other driver changes for 6.1-rc1 2022-10-08 08:56:37 -07:00
irqchip irqchip/gic-v3-its: Remove BUG_ON in its_vpe_irq_domain_alloc 2024-08-29 17:30:40 +02:00
isdn mISDN: Fix a use after free in hfcmulti_tx() 2024-08-03 08:49:50 +02:00
leds leds: triggers: Flush pending brightness before activating trigger 2024-08-11 12:35:53 +02:00
macintosh macintosh/therm_windtunnel: fix module unload. 2024-08-03 08:49:22 +02:00
mailbox mailbox: arm_mhuv2: Fix a bug for mhuv2_sender_interrupt 2024-02-05 20:12:58 +00:00
mcb mcb: fix error handling for different scenarios when parsing 2023-11-28 17:07:13 +00:00
md dm suspend: return -ERESTARTSYS instead of -EINTR 2024-08-29 17:30:41 +02:00
media media: solo6x10: replace max(a, min(b, c)) by clamp(b, a, c) 2024-08-29 17:30:41 +02:00
memory memory: stm32-fmc2-ebi: check regmap_read return value 2024-08-29 17:30:36 +02:00
memstick memstick r592: make memstick_debug_get_tpc_name() static 2023-07-19 16:21:08 +02:00
message scsi: message: mptlan: Fix use after free bug in mptlan_remove() due to race condition 2023-05-24 17:32:37 +01:00
mfd mfd: omap-usb-tll: Use struct_size to allocate tll 2024-08-03 08:49:15 +02:00
misc mei: demote client disconnect warning on suspend to debug 2024-07-25 09:49:12 +02:00
mmc mmc: sdhci: Do not lock spinlock around mmc_gpio_get_ro() 2024-07-05 09:31:53 +02:00
most most: usb: replace snprintf in show functions with sysfs_emit 2021-11-26 17:03:47 +01:00
mtd ubi: eba: properly rollback inside self_check_eba 2024-08-03 08:49:38 +02:00
mux mux: Fix struct mux_state kernel-doc comment 2022-02-04 15:47:12 +01:00
net net: mscc: ocelot: serialize access to the injection/extraction groups 2024-08-29 17:30:43 +02:00
nfc nfc/nci: Add the inconsistency check between the input data length and count 2024-07-11 12:47:18 +02:00
ntb NTB: fix possible name leak in ntb_register_device() 2024-03-26 18:20:49 -04:00
nubus nubus: Partially revert proc_create_single_data() conversion 2023-07-05 18:27:37 +01:00
nvdimm nd_btt: Make BTT lanes preemptible 2023-11-20 11:52:05 +01:00
nvme nvmet-rdma: fix possible bad dereference when freeing rsps 2024-08-29 17:30:40 +02:00
nvmem nvmem: core: only change name to fram for current attribute 2024-07-18 13:18:40 +02:00
of of/irq: Disable "interrupt-map" parsing for PASEMI Nemo 2024-07-25 09:49:20 +02:00
opp OPP: ti: Fix ti_opp_supply_probe wrong return values 2024-08-03 08:48:58 +02:00
parisc parisc/power: Fix power soft-off button emulation on qemu 2024-01-31 16:16:59 -08:00
parport dev/parport: fix the array out-of-bounds risk 2024-08-03 08:49:37 +02:00
pci PCI/DPC: Fix use-after-free on concurrent DPC and hot-removal 2024-08-03 08:49:46 +02:00
pcmcia pcmcia: ds: fix possible name leak in error path in pcmcia_device_add() 2023-11-20 11:52:13 +01:00
peci peci: cpu: Fix use-after-free in adev_release() 2022-08-15 20:31:35 +02:00
perf drivers/perf: riscv: Reset the counter to hpmevent mapping while starting cpus 2024-07-25 09:49:18 +02:00
phy phy: cadence-torrent: Check return value on register read 2024-08-03 08:49:47 +02:00
pinctrl pinctrl: renesas: r8a779g0: Fix TPU suffixes 2024-08-03 08:49:28 +02:00
platform platform/surface: aggregator: Fix warning when controller is destroyed in probe 2024-08-29 17:30:42 +02:00
pnp PNP: ACPI: fix fortify warning 2024-02-05 20:12:47 +00:00
power power: supply: axp288_charger: Round constant_charge_voltage writes down 2024-08-14 13:52:59 +02:00
powercap powercap: dtpm_cpu: Fix error check against freq_qos_add_request() 2024-03-26 18:20:36 -04:00
pps pps: generators: pps_gen_parport: Switch to use module_parport_driver() 2022-03-18 14:01:19 +01:00
ps3 powerpc/ps3: Warn on PS3 device errors 2021-06-10 21:44:58 +10:00
ptp ptp: fix integer overflow in max_vclocks_store 2024-06-27 13:46:19 +02:00
pwm pwm: atmel-tcb: Fix race condition and convert to guards 2024-08-03 08:48:55 +02:00
rapidio rapidio: devices: fix missing put_device in mport_cdev_open 2022-12-31 13:32:00 +01:00
ras RAS/CEC: Reduce offline page threshold for Intel systems 2022-08-22 19:30:02 +02:00
regulator regulator: bd71815: fix ramp values 2024-06-27 13:46:21 +02:00
remoteproc remoteproc: imx_rproc: Fix refcount mistake in imx_rproc_addr_init 2024-08-03 08:49:44 +02:00
reset reset: hisilicon: hi6220: fix Wvoid-pointer-to-enum-cast warning 2024-01-20 11:50:07 +01:00
rpmsg rpmsg: virtio: Free driver_override when rpmsg_remove() 2024-01-31 16:16:59 -08:00
rtc rtc: nct3018y: fix possible NULL dereference 2024-08-29 17:30:39 +02:00
s390 bitmap: introduce generic optimized bitmap_size() 2024-08-29 17:30:14 +02:00
sbus module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
scsi scsi: lpfc: Initialize status local variable in lpfc_sli4_repost_sgl_list() 2024-08-29 17:30:35 +02:00
sh genirq: Add and use an irq_data_update_affinity helper 2022-07-07 09:38:04 +01:00
siox siox: fix possible memory leak in siox_device_add() 2022-11-09 15:40:14 +01:00
slimbus slimbus: qcom-ngd-ctrl: Add timeout for wait operation 2024-05-17 11:56:20 +02:00
soc drivers: soc: xilinx: check return status of get_api_version() 2024-08-03 08:49:35 +02:00
soundwire soundwire: cadence: fix invalid PDI offset 2024-06-12 11:03:34 +02:00
spi spi: spi-fsl-lpspi: Fix scldiv calculation 2024-08-14 13:52:54 +02:00
spmi spmi: hisi-spmi-controller: Do not override device identifier 2024-06-21 14:35:55 +02:00
ssb ssb: Fix division by zero issue in ssb_calc_clock_rate 2024-08-29 17:30:27 +02:00
staging staging: ks7010: disable bh on tx_dev_lock 2024-08-29 17:30:30 +02:00
target scsi: target: Fix SELinux error when systemd-modules loads the target module 2024-05-17 11:56:07 +02:00
tc The main MIPS changes for 5.6: 2020-01-31 11:28:31 -08:00
tee tee: optee: ffa: Fix missing-field-initializers warning 2024-07-25 09:49:17 +02:00
thermal thermal/drivers/qcom/lmh: Check for SCM availability at probe 2024-06-16 13:41:33 +02:00
thunderbolt thunderbolt: Mark XDomain as unplugged when router is removed 2024-08-29 17:30:13 +02:00
tty tty: atmel_serial: use the correct RTS flag. 2024-08-29 17:30:12 +02:00
ufs scsi: ufs: core: Fix hba->last_dme_cmd_tstamp timestamp updating logic 2024-08-14 13:52:56 +02:00
uio uio_hv_generic: Don't free decrypted memory 2024-05-17 11:56:08 +02:00
usb usb: dwc3: core: Skip setting event buffers for host only controllers 2024-08-29 17:30:40 +02:00
vdpa vduse: Temporarily fail if control queue feature requested 2024-07-05 09:31:48 +02:00
vfio VFIO: Add the SPR_DSA and SPR_IAX devices to the denylist 2024-05-17 11:56:23 +02:00
vhost vhost-vdpa: switch to use vmf_insert_pfn() in the fault handler 2024-08-14 13:52:57 +02:00
video fbdev: offb: replace of_node_put with __free(device_node) 2024-08-29 17:30:40 +02:00
virt drivers/virt/acrn: fix PFNMAP PTE checks in acrn_vm_ram_map() 2024-06-12 11:03:30 +02:00
virtio virtio: delete vq in vp_find_vqs_msix() when request_irq() fails 2024-06-12 11:03:52 +02:00
vlynq bus: Make remove callback return void 2021-07-21 11:53:42 +02:00
w1 w1: fix loop in w1_fini() 2023-07-19 16:21:48 +02:00
watchdog watchdog: rzg2l_wdt: Check return status of pm_runtime_put() 2024-08-03 08:49:48 +02:00
xen drivers/xen: Improve the late XenStore init protocol 2024-06-12 11:03:53 +02:00
zorro proc: remove PDE_DATA() completely 2022-01-22 08:33:37 +02:00
Kconfig vme: move back to staging 2022-06-10 15:38:14 +02:00
Makefile hwtracing: hisi_ptt: Add trace function support for HiSilicon PCIe Tune and Trace device 2022-09-08 16:26:17 -06:00