netdev - Re: [v1 PATCH 7/14] netfilter: Use rhashtable_lookup instead of lookup

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Message-ID: <20150320222530.GA24309@gondor.apana.org.au>
Date:	Sat, 21 Mar 2015 09:25:30 +1100
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Thomas Graf <tgraf@...g.ch>
Cc:	Patrick McHardy <kaber@...sh.net>,
	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	Eric Dumazet <eric.dumazet@...il.com>
Subject: Re: [v1 PATCH 7/14] netfilter: Use rhashtable_lookup instead of
 lookup_compare

On Fri, Mar 20, 2015 at 10:23:11PM +0000, Thomas Graf wrote:
> 
> He might as well just run for (;;) to burn cycles in his namespace.
> If you give away virtualized local privileges you better be ready
> to restrict the resources consumed. 

Please reread the first email that you replied to, let me quote:

	A CPU intensive workload that can be rescheduled is
	completely different from one that is running under spin
	lock with BH disabled.

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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