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Message-Id: <E1IhfZr-0002FE-00@gondolin.me.apana.org.au> Date: Tue, 16 Oct 2007 14:06:51 +0800 From: Herbert Xu <herbert@...dor.apana.org.au> To: benh@...nel.crashing.org Cc: shemminger@...ux-foundation.org, netdev@...r.kernel.org, davem@...emloft.net, rdreier@...co.com, linuxppc-dev@...abs.org Subject: Re: [PATCH/RFC] net: Add __napi_sycnhronize() to sync with napi poll Benjamin Herrenschmidt <benh@...nel.crashing.org> wrote: > > Note: I use msleep_interruptible(1); just like napi_disable(). However > I'm not too happy that the "hot" loop that results of a pending signal > here will spin without even a cpu_relax ... what do you guys think would > be the best way to handle this ? Well since the loop does not check signals at all, it should just use msleep. Granted the process will end up in the D state and contribute to the load average. But if this loop executes long enough for that to be noticed then we've got bigger problems to worry about. 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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