On 09/02/15 at 10:00am, Herbert Xu wrote:
> On Tue, Sep 01, 2015 at 04:51:24PM +0200, Thomas Graf wrote:
> >
> > 1. The current in-kernel self-test
> > 2. bind_netlink.c: https://github.com/tgraf/rhashtable
>
> Thanks, I will try to reproduce this.
The path in question is:
int rhashtable_insert_rehash(struct rhashtable *ht)
{
[...]
old_tbl = rht_dereference_rcu(ht->tbl, ht);
tbl = rhashtable_last_table(ht, old_tbl);
size = tbl->size;
if (rht_grow_above_75(ht, tbl))
size *= 2;
/* Do not schedule more than one rehash */
else if (old_tbl != tbl)
return -EBUSY;
The behaviour in question is the immediate rehash during
insertion which we want to fail.
Commits:
ccd57b1bd32460d27bbb9c599e795628a3c66983
a87b9ebf1709687ff213091d0fdb4254b1564803
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