Date: Fri, 6 Mar 2009 17:24:02 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Daniel Yeisley <dan.yeisley@unisys.com>, Yinghai Lu <yinghai@kernel.org>,
       "H. Peter Anvin" <hpa@zytor.com>, Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org
Subject: Re: [PATCH] MSI: check for BIOS assigned addresses
Message-ID: <20090306162402.GA8936@elte.hu>
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* Daniel Yeisley <dan.yeisley@unisys.com> wrote:

> When creating MSI addresses the kernel makes them up and 
> writes them to the hardware without first checking for what 
> the system BIOS may have assigned.  The patch below checks for 
> already assigned values, and leaves them alone if they exist.
> 
> Signed-off-by: Dan Yeisley <dan.yeisley@unisys.com>

What happens without this fix - do you get non-working cards? 
Boot hang? Or a suboptimal layout?

	Ingo
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