netdev - Re: [net-next 1/9] i40e: poll firmware slower

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Message-ID: <CAJ3xEMghFwT8Tm9wONzLPL4MLvgL+3w=CNRNg0Hb=yGJ9uR0Mg@mail.gmail.com>
Date:	Fri, 7 Nov 2014 15:29:15 +0200
From:	Or Gerlitz <gerlitz.or@...il.com>
To:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Cc:	David Miller <davem@...emloft.net>,
	Kamil Krawczyk <kamil.krawczyk@...el.com>,
	Linux Netdev List <netdev@...r.kernel.org>,
	nhorman@...hat.com, sassmann@...hat.com, jogreene@...hat.com
Subject: Re: [net-next 1/9] i40e: poll firmware slower

On Fri, Nov 7, 2014 at 10:57 AM, Jeff Kirsher
<jeffrey.t.kirsher@...el.com> wrote:
> The code was polling the firmware tail register for completion

any reason not to sleep while waiting for this completion? can the
firmware generate an interrupt?
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