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Date: Thu, 5 Feb 2015 02:03:33 +0100 From: Thomas Graf <tgraf@...g.ch> To: davem@...emloft.net Cc: netdev@...r.kernel.org, herbert@...dor.apana.org.au, ying.xue@...driver.com Subject: [PATCH 3/6] rhashtable: Wait for RCU readers after final unzip work We need to wait for all RCU readers to complete after the last bit of unzipping has been completed. Otherwise the old table is freed up prematurely. Fixes: 7e1e77636e36 ("lib: Resizable, Scalable, Concurrent Hash Table") Signed-off-by: Thomas Graf <tgraf@...g.ch> --- lib/rhashtable.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/lib/rhashtable.c b/lib/rhashtable.c index cea4244..fd1033d 100644 --- a/lib/rhashtable.c +++ b/lib/rhashtable.c @@ -392,6 +392,8 @@ int rhashtable_expand(struct rhashtable *ht) } } + synchronize_rcu(); + bucket_table_free(old_tbl); return 0; } -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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