linux-kernel - Re: [PATCH] ipmi: Fix ACPI detecting with regspacing

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Message-Id: <201007271123.44335.bjorn.helgaas@hp.com>
Date:	Tue, 27 Jul 2010 11:23:43 -0600
From:	Bjorn Helgaas <bjorn.helgaas@...com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Corey Minyard <minyard@....org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Matthew Garrett <mjg@...hat.com>,
	Len Brown <len.brown@...el.com>,
	Myron Stowe <myron.stowe@...com>,
	openipmi-developer@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ipmi: Fix ACPI detecting with regspacing

On Tuesday, July 27, 2010 11:07:55 am Yinghai Lu wrote:
> On 07/27/2010 08:34 AM, Bjorn Helgaas wrote:
> > On Monday, July 26, 2010 03:48:02 pm Yinghai Lu wrote:
> >>
> >> after the commint that change ipmi_si detecting sequence from SMBIOS/ACPI to ACPI/SMBIOS,
> >>
> >> | commit 754d453185275951d39792865927ec494fa1ebd8
> >> | Author: Matthew Garrett <mjg@...hat.com>
> >> | Date:   Wed May 26 14:43:47 2010 -0700
> >> |
> >> |    ipmi: change device discovery order
> >> |
> >> |    The ipmi spec provides an ordering for si discovery.  Change the driver to
> >> |    match, with the exception of preferring smbios to SPMI as HPs (at least)
> >> |    contain accurate information in the former but not the latter.
> >>
> >> ipmi_si can not be initialized.
> > 
> > I think this patch makes sense, as long as this is not a bringup
> > issue that only affects pre-release firmware.  If this only affects
> > a prototype, it would be better to change the firmware so it conforms
> > to the conventional _CRS usage of systems in the field.
> > 
> > To that end, I'd like to know what system this is, and whether IPMI
> > works under Windows on this system.  We know that Windows doesn't
> > look at SMBIOS or SPMI, so if Windows works, it must be doing something
> > similar to your patch.
> 
> Sun Fire X4800.
> 
> Yes. other OSes work and pass certification.

Please put this information in the changelog (if that wasn't obvious).

Bjorn
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