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From: David Miller <davem@davemloft.net>
Subject: Re: [GIT]: Networking
Date: Thu, 02 Jul 2009 18:30:32 -0700 (PDT)
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From: Ayaz Abdulla <AAbdulla@nvidia.com>
Date: Thu, 2 Jul 2009 18:11:01 -0700

> Our hw only runs on architectures that provide coherency. i.e x86
> 
> I'm fine with keeping it with both napi_schedule_prep() and __napi_schedule() if you want it to be similar to other drivers.

It has nothing to do with "coherency".

Re-read Eric's emails, the race can happen on x86 quite trivially.