From: Stephen Hemminger <shemminger@vyatta.com>
To: Arjan van de Ven <arjan@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
jbarnes@virtuousgeek.org, bhutchings@solarflare.com,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] PCI: vpd handle longer delays in access
Date: Tue, 9 Sep 2008 09:55:48 -0700 [thread overview]
Message-ID: <20080909095548.1602356c@extreme> (raw)
In-Reply-To: <20080908142605.0727b154@infradead.org>
On Mon, 8 Sep 2008 14:26:05 -0700
Arjan van de Ven <arjan@infradead.org> wrote:
> On Mon, 8 Sep 2008 14:08:24 -0700
> Stephen Hemminger <shemminger@vyatta.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.
next prev parent reply other threads:[~2008-09-09 16:56 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-04 20:56 [PATCH 0/3] PCI VPD changes Stephen Hemminger
2008-09-04 20:56 ` [PATCH 1/3] PCI: vpd handle longer delays in access Stephen Hemminger
2008-09-05 9:11 ` Peter Zijlstra
2008-09-05 12:40 ` Matthew Wilcox
2008-09-08 20:40 ` Andrew Morton
2008-09-08 21:08 ` Stephen Hemminger
2008-09-08 21:26 ` Arjan van de Ven
2008-09-09 16:55 ` Stephen Hemminger [this message]
2008-09-09 17:01 ` Arjan van de Ven
2008-09-04 20:56 ` [PATCH 2/3] PCI: revise VPD access interface Stephen Hemminger
2008-09-05 11:02 ` Ben Hutchings
2008-09-08 20:46 ` Andrew Morton
2008-09-04 20:56 ` [PATCH 3/3] PCI: add interface to set visible size of VPD Stephen Hemminger
2008-09-05 11:07 ` Ben Hutchings
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