netdev - Re: [PATCH] xfrm: cache bundle lookup results in flow cache

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Message-ID: <20100323074252.GA27623@gondor.apana.org.au>
Date:	Tue, 23 Mar 2010 15:42:52 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Timo Teräs <timo.teras@....fi>
Cc:	netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH] xfrm: cache bundle lookup results in flow cache

On Tue, Mar 23, 2010 at 09:28:33AM +0200, Timo Teräs wrote:
>
> So, should I go ahead and do the virtualization of the
> getters and putters?

If we're going to have indirect calls per packet then let's at
least minimise them.  I think one should be enough, i.e., just
add a ->stale() function pointer to be used in flow_cache_lookup.

Cheers,
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