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Date: Sun, 4 Mar 2018 15:26:47 +0200 From: Paul Blakey <paulb@...lanox.com> To: Thomas Graf <tgraf@...g.ch>, Herbert Xu <herbert@...dor.apana.org.au>, David Miller <davem@...emloft.net> Cc: netdev@...r.kernel.org, Yevgeny Kliteynik <kliteyn@...lanox.com>, Roi Dayan <roid@...lanox.com>, Shahar Klein <shahark@...lanox.com>, Mark Bloch <markb@...lanox.com>, Jiri Pirko <jiri@...lanox.com>, Or Gerlitz <ogerlitz@...lanox.com>, Matan Barak <matanb@...lanox.com>, Paul Blakey <paulb@...lanox.com> Subject: [PATCH net v2 0/2] rhlist: Fix rhltable duplicates insertion On our mlx5 driver fs_core.c, we use the rhltable interface to store flow groups. We noticed that sometimes we get a warning that flow group isn't found at removal. This rare case was caused when a specific scenario happened, insertion of a flow group with a similar match criteria (a duplicate), but only where the flow group rhash_head was second (or not first) on the relevant rhashtable bucket list. The first patch fixes it, and the second one adds a test that show it is now working. Paul. v1 --> v2 changes: * Changed commit messages to better reflect the change Paul Blakey (2): rhashtable: Fix rhlist duplicates insertion test_rhashtable: add test case for rhltable with duplicate objects include/linux/rhashtable.h | 4 +- lib/test_rhashtable.c | 121 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 124 insertions(+), 1 deletion(-) -- 1.8.4.3
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