Messages in this thread | | | Date | Tue, 22 Sep 2015 10:19:58 +0200 | From | Thomas Graf <> | Subject | Re: [PATCH] lib: fix data race in rhashtable_rehash_one |
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On 09/21/15 at 04:03pm, Eric Dumazet wrote: > What I said is : > > In @head you already have the correct nulls value, from hash table. > > You do not need to recompute this value, and/or test if hash table chain > is empty. > > If hash bucket is empty, it contains the appropriate NULLS value. > > If you are paranoiac add this debugging check : > > if (rht_is_a_nulls(head)) > BUG_ON(head != (struct rhash_head *)rht_marker(ht, new_hash)); > > > Therefore, simply fix the bug and unnecessary code with :
You are absolutely right Eric. Do you want to revise your patch Dmitry? Eric's proposed fix absolutely the best way to fix this.
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