Re: rhashtable: warnings caused by "rhashtable: Fix use-after-free in rhashtable_walk_stop"
From: Herbert Xu
Date: Mon Mar 23 2015 - 17:55:29 EST
On Mon, Mar 23, 2015 at 02:27:58PM -0400, Sasha Levin wrote:
> Hi all,
>
> Commit 963ecbd41a ("rhashtable: Fix use-after-free in rhashtable_walk_stop") is causing
> RCU warnings since the code now locks a mutex (which might sleep) within an RCU critical
> section within rhashtable_walk_stop().
OK I will add a spin lock to bucket_table for this.
Cheers,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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