From: Daniel Yeisley <dan.yeisley@unisys.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Yinghai Lu <yinghai@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org, akpm@linux-foundation.org
Subject: Re: [PATCH] MSI: check for BIOS assigned addresses
Date: Fri, 06 Mar 2009 10:56:49 -0500 [thread overview]
Message-ID: <1236355009.31604.3.camel@localhost.localdomain> (raw)
In-Reply-To: <20090306162402.GA8936@elte.hu>
ACPI hotplug doesn't work.
Dan
On Fri, 2009-03-06 at 17:24 +0100, Ingo Molnar wrote:
> * 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 16:31 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
2009-03-06 15:56 ` Daniel Yeisley [this message]
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1236355009.31604.3.camel@localhost.localdomain \
--to=dan.yeisley@unisys.com \
--cc=akpm@linux-foundation.org \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=tglx@linutronix.de \
--cc=yinghai@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox