From: David Miller <davem@davemloft.net>
To: herbert@gondor.apana.org.au
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH 1/2]: [IPV4] route: Locking infrastructure for dynamic routing cache sizing.
Date: Wed, 09 Aug 2006 16:05:00 -0700 (PDT) [thread overview]
Message-ID: <20060809.160500.95505425.davem@davemloft.net> (raw)
In-Reply-To: <E1GAmHp-0006RS-00@gondolin.me.apana.org.au>
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Wed, 09 Aug 2006 21:31:45 +1000
> If we hit a writer just as they begin resizing, we could be here for
> quite a while.
Yes, we discussed this a bit on IRC.
> In fact because we expect each writer to stick around for a
> relatively long time, we could use a new seqlock primitive that just
> spun until the LSB becomes zero again.
Indeed, and put a cpu_relax() in there.
next prev parent reply other threads:[~2006-08-09 23:05 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-09 7:49 [PATCHSET]: Dymamic route cache hash sizing David Miller
2006-08-09 7:53 ` [PATCH 1/2]: [IPV4] route: Locking infrastructure for dynamic routing cache sizing David Miller
2006-08-09 11:31 ` Herbert Xu
2006-08-09 23:05 ` David Miller [this message]
2006-08-09 7:53 ` [PATCH 2/2] [IPV4] route: Dynamic hash table sizing David Miller
2006-08-09 8:32 ` Eric Dumazet
2006-08-09 9:09 ` David Miller
2006-08-09 10:09 ` Eric Dumazet
2006-08-09 10:12 ` Michael Tokarev
2006-08-09 10:18 ` Evgeniy Polyakov
2006-08-09 11:14 ` David Miller
2006-08-15 8:35 ` David Miller
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