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
Date: Fri, 6 Mar 2009 17:24:02 +0100 [thread overview]
Message-ID: <20090306162402.GA8936@elte.hu> (raw)
In-Reply-To: <1236352309.31604.2.camel@localhost.localdomain>
* 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
next prev parent reply other threads:[~2009-03-06 16:24 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-06 15:11 [PATCH] MSI: check for BIOS assigned addresses Daniel Yeisley
2009-03-06 16:24 ` Ingo Molnar [this message]
2009-03-06 15:56 ` Daniel Yeisley
2009-03-06 18:09 ` [tip:x86/urgent] x86: " Daniel Yeisley
2009-03-06 18:36 ` [tip:x86/apic] " Daniel Yeisley
2009-03-06 18:45 ` Ingo Molnar
2009-03-06 18:28 ` Daniel Yeisley
2009-03-06 19:13 ` Ingo Molnar
2009-03-07 1:06 ` Yinghai Lu
2009-03-08 10:54 ` Ingo Molnar
2009-03-09 14:32 ` Daniel Yeisley
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