linux-kernel - Re: [PATCH] drivers/net: remove network drivers' last few uses of IRQF_SAMPLE

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Message-ID: <20080516214612.127412a7@core>
Date:	Fri, 16 May 2008 21:46:12 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	lsorense@...lub.uwaterloo.ca (Lennart Sorensen)
Cc:	Jeff Garzik <jeff@...zik.org>,
	"Kok, Auke" <auke-jan.h.kok@...el.com>,
	Rick Jones <rick.jones2@...com>,
	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
	Chris Peterson <cpeterso@...terso.com>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers/net: remove network drivers' last few uses of
 IRQF_SAMPLE_RANDOM

On Fri, 16 May 2008 16:39:33 -0400
lsorense@...lub.uwaterloo.ca (Lennart Sorensen) wrote:

> On Fri, May 16, 2008 at 09:04:45PM +0100, Alan Cox wrote:
> > So open /dev/urandom in that case. It's a user space problem - this is
> > policy.
> 
> How does user space know?  Maybe someone is using the serial console,
> maybe not.

How does the kernel know - it has even less useful policy information ?
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