linux-kernel - Re: [PATCH] rhashtable: detect when object movement between tables might have invalidated a lookup

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Message-ID: <20181119040634.qlvsrviznd5npiek@gondor.apana.org.au>
Date:   Mon, 19 Nov 2018 12:06:34 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     NeilBrown <neilb@...e.com>
Cc:     David Miller <davem@...emloft.net>, tgraf@...g.ch,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        eric.dumazet@...il.com
Subject: Re: [PATCH] rhashtable: detect when object movement between tables
 might have invalidated a lookup

On Mon, Nov 19, 2018 at 11:56:35AM +0800, Herbert Xu wrote:
>
> I take that back.  Because of your shift which cancels out the
> shift in NULLS_MARKER, it would appear that this should work just
> fine with RHT_NULLS_MARRKER(0), no? IOW, it would appear that
> 
> 	RHT_NULLS_MARKER(0) = RHT_NULLS_MARKER(RHT_NULLS_MARKER(0))

My emails to Neil are bouncing:

	neilb@...e.com
	  host smtp.glb1.softwaregrp.com [15.124.2.87]
	  SMTP error from remote mail server after RCPT TO:<neilb@...e.com>:
	  550 Cannot process address

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