netdev - Re: [PATCH 2/2] ne.c msleep not mdelay

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Date:	Sat, 30 Aug 2008 23:36:47 +0900 (JST)
From:	Atsushi Nemoto <anemo@....ocn.ne.jp>
To:	alan@...rguk.ukuu.org.uk
Cc:	david@...es.net, linux-kernel@...r.kernel.org,
	p_gortmaker@...oo.com, netdev@...r.kernel.org
Subject: Re: [PATCH 2/2] ne.c msleep not mdelay

On Sat, 30 Aug 2008 09:59:06 +0100, Alan Cox <alan@...rguk.ukuu.org.uk> wrote:
> > mdelay(10) replaced by msleep(10) to give up the CPU, it's just
> > waiting for an interrupt, so timing isn't critical.
> 
> It is too critical for a reschedule to occur.
> 
> NAK this one.

There are already some msleep() in probe_irq_on() which is called just
before here.  And this part is not protected by any spinlock or
preempt_disable.

So, if rescheduling was dangerous here, we already have potential
problems, no?

---
Atsushi Nemoto
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