netdev - Re: netlink & rhashtable status

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Date:	Thu, 14 May 2015 10:55:57 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	David Miller <davem@...emloft.net>
Cc:	eric.dumazet@...il.com, tgraf@...g.ch, netdev@...r.kernel.org
Subject: Re: netlink & rhashtable status

On Wed, May 13, 2015 at 12:35:20PM -0400, David Miller wrote:
>
> Alternatively, we could consider reverting the rhashtable conversion
> of netlink in the interim.  It might be the safest solution for
> -stable.

The most suspicous change is the dynamic rehashing, i.e., allowing
insertions/removals during a rehash.  But then Eric says that the
same thing happens under 3.17, where every opertion is under a
single mutex.

So I'm at a loss as to what is wrong and if we can't figure it out
then yes I agree that reverting the netlink rhashtable conversion is
probably the safest option.

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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