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Message-ID: <20090116001824.GA9221@gondor.apana.org.au> Date: Fri, 16 Jan 2009 11:18:24 +1100 From: Herbert Xu <herbert@...dor.apana.org.au> To: Ingo Molnar <mingo@...e.hu> Cc: akpm@...ux-foundation.org, tj@...nel.org, hpa@...or.com, brgerst@...il.com, ebiederm@...ssion.com, cl@...ux-foundation.org, rusty@...tcorp.com.au, travis@....com, linux-kernel@...r.kernel.org, steiner@....com, hugh@...itas.com, "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org Subject: Re: [PATCH] percpu: add optimized generic percpu accessors On Fri, Jan 16, 2009 at 01:15:44AM +0100, Ingo Molnar wrote: > > > So if you could design the API such that we have a variant of add/inc > > that automatically disables/enables preemption then we can optimise that > > away on x86. > > Yeah. percpu_add(var, 1) does exactly that on x86. Awesome! Sounds like we can finally do away with those nasty hacks in the SNMP macros. Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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