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Pedro Tammela 3d1dc71b8f net/sched: make psched_mtu() RTNL-less safe 
[ Upstream commit 150e33e62c ]

Eric Dumazet says[1]:
-------
Speaking of psched_mtu(), I see that net/sched/sch_pie.c is using it
without holding RTNL, so dev->mtu can be changed underneath.
KCSAN could issue a warning.
-------

Annotate dev->mtu with READ_ONCE() so KCSAN don't issue a warning.

[1] https://lore.kernel.org/all/CANn89iJoJO5VtaJ-2=_d2aOQhb0Xw8iBT_Cxqp2HyuS-zj6azw@mail.gmail.com/

v1 -> v2: Fix commit message

Fixes: d4b36210c2 ("net: pkt_sched: PIE AQM scheme")
Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230711021634.561598-1-pctammela@mojatatu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-07-23 13:49:27 +02:00
..
acpi
ACPI: sleep: Avoid breaking S3 wakeup due to might_sleep()
2023-06-28 11:12:22 +02:00
asm-generic
asm-generic/io.h: suppress endianness warnings for readq() and writeq()
2023-05-11 23:02:58 +09:00
clocksource
…
crypto
crypto: kpp - Add helper to set reqsize
2023-07-19 16:21:42 +02:00
drm
drm/bridge: Introduce pre_enable_prev_first to alter bridge init order
2023-07-19 16:21:23 +02:00
dt-bindings
dt-bindings: clocks: imx8mp: Add ID for usb suspend clock
2022-12-31 13:33:09 +01:00
keys
…
kunit
kunit: fix kunit_test_init_section_suites(...)
2023-02-09 11:28:08 +01:00
kvm
KVM: arm64: PMU: Align chained counter implementation with architecture pseudocode
2023-04-13 16:55:17 +02:00
linux
nvme: fix the NVME_ID_NS_NVM_STS_MASK definition
2023-07-23 13:49:25 +02:00
math-emu
…
media
media: dvb-core: Fix use-after-free due to race at dvb_register_device()
2023-06-09 10:34:12 +02:00
memory
memory: renesas-rpc-if: Split-off private data from struct rpcif
2023-03-11 13:55:17 +01:00
misc
…
net
net/sched: make psched_mtu() RTNL-less safe
2023-07-23 13:49:27 +02:00
pcmcia
…
ras
…
rdma
RDMA/cma: Always set static rate to 0 for RoCE
2023-06-21 16:00:59 +02:00
rv
…
scsi
scsi: libsas: Add sas_ata_device_link_abort()
2023-05-11 23:03:20 +09:00
soc
net: mscc: ocelot: don't keep PTP configuration of all ports in single structure
2023-07-19 16:22:01 +02:00
sound
ASoC: Intel: avs: Account for UID of ACPI device
2023-06-21 16:00:53 +02:00
target
scsi: target: Fix multiple LUN_RESET handling
2023-05-11 23:03:19 +09:00
trace
net: fix net_dev_start_xmit trace event vs skb_transport_offset()
2023-07-19 16:22:05 +02:00
uapi
autofs: use flexible array in ioctl structure
2023-07-19 16:22:11 +02:00
ufs
scsi: ufs: exynos: Fix DMA alignment for PAGE_SIZE != 4096
2023-03-10 09:33:15 +01:00
vdso
…
video
…
xen
ACPI: processor: Fix evaluating _PDC method when running as Xen dom0
2023-05-11 23:03:11 +09:00