Re: [PATCH] percpu: add optimized generic percpu accessors
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: 2009-01-16 00:19:19
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On Fri, Jan 16, 2009 at 01:15:44AM +0100, Ingo Molnar wrote:
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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~} [off-list ref] Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt