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Subject: Re: [PATCH] net: Add napi_sycnhronize() to sync with napi poll
From: Josh Boyer <jwboyer@linux.vnet.ibm.com>
To: benh@kernel.crashing.org
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Date: Wed, 17 Oct 2007 18:36:23 -0500
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On Thu, 2007-10-18 at 08:04 +1000, Benjamin Herrenschmidt wrote:
> net: Add __napi_synchronize() to sync with napi poll
> 
> The EMAC driver which needs to handle multiple devices with one
> NAPI instance implements its own per-channel disable bit. However,
> when setting such a bit, it needs to synchronize with the poller
> (that is make sure that any pending poller instance has completed,
> or is started late enough to see that disable bit).
> 
> This implements a low level __napi_synchronize() function to acheive
> that. The underscores are to emphasis the low level aspect of it and
> to discourage driver writers who don't know what they are doing to
> use it (to please DaveM :-)

Erm.. your commit log calls it __napi_synchronize still.

josh