linux-kernel - Re: [PATCH 1/3] PCI: vpd handle longer delays in access

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Date:	Tue, 9 Sep 2008 09:55:48 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	jbarnes@...tuousgeek.org, bhutchings@...arflare.com,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] PCI: vpd handle longer delays in access

On Mon, 8 Sep 2008 14:26:05 -0700
Arjan van de Ven <arjan@...radead.org> wrote:

> On Mon, 8 Sep 2008 14:08:24 -0700
> Stephen Hemminger <shemminger@...tta.com> wrote:
> 
> > 
> > What is a good way to say "i am polling for a while"?
> 
> 
> can you take a fixed time delay?
> 
> or use cond_resched()
cond_resched sounds like the best suggestion.  The problem is that this
code needs to deal with hardware that could be fast, or slow depending
on how the device is implemented.  
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