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| author | Jakub Kicinski <kuba@kernel.org> | 2023-01-12 20:41:37 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-01-18 20:28:25 -0800 |
| commit | 339346d49ae0859fe19b860998867861d37f1a76 (patch) | |
| tree | 008f4d986d20f21879d66819508b62bf4ed3d862 /MAINTAINERS | |
| parent | edb5b63e5673add742a860814a4f43ff213178ea (diff) | |
| download | linux-stable-339346d49ae0859fe19b860998867861d37f1a76.tar.gz linux-stable-339346d49ae0859fe19b860998867861d37f1a76.tar.bz2 linux-stable-339346d49ae0859fe19b860998867861d37f1a76.zip | |
net: sched: gred: prevent races when adding offloads to stats
Naresh reports seeing a warning that gred is calling
u64_stats_update_begin() with preemption enabled.
Arnd points out it's coming from _bstats_update().
We should be holding the qdisc lock when writing
to stats, they are also updated from the datapath.
Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
Link: https://lore.kernel.org/all/CA+G9fYsTr9_r893+62u6UGD3dVaCE-kN9C-Apmb2m=hxjc1Cqg@mail.gmail.com/
Fixes: e49efd5288bd ("net: sched: gred: support reporting stats from offloads")
Link: https://lore.kernel.org/r/20230113044137.1383067-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'MAINTAINERS')
0 files changed, 0 insertions, 0 deletions