From: Russ Anderson <rja@sgi.com>
To: Matthew Garrett <matthew.garrett@nebula.com>
Cc: minyard@acm.org, lenb@kernel.org, rjw@rjwysocki.net,
linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org,
rja@sgi.com
Subject: Re: [PATCH V2] Change ACPI IPMI support to "default y"
Date: Thu, 20 Feb 2014 17:01:26 -0600 [thread overview]
Message-ID: <20140220230126.GA13558@sgi.com> (raw)
In-Reply-To: <1392740909-2079-1-git-send-email-matthew.garrett@nebula.com>
On Tue, Feb 18, 2014 at 11:28:29AM -0500, Matthew Garrett wrote:
> The ACPI IPMI driver implements IPMI operation region support for the ACPI
> core. Systems that declare ACPI operation regions may reference them at any
> time, including during kernel initialisation. These accesses will fail
> unless the ACPI IPMI driver is present, and undesirable system behaviour
> may result.
Could you be more specific? Is the problem kernel code
trying to use IPMI functionality before the ipmi_si driver
is loaded? Or something else?
What is the "undesirable system behaviour"?
> Set the default to Y in order to encourage distributions and
> users to configure kernels to avoid awkward surprises.
What are the "awkward surprises"?
Thanks,
--
Russ Anderson, Kernel and Performance Software Team Manager
SGI - Silicon Graphics Inc rja@sgi.com
prev parent reply other threads:[~2014-02-20 23:01 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-18 16:28 [PATCH V2] Change ACPI IPMI support to "default y" Matthew Garrett
2014-02-18 23:26 ` Rafael J. Wysocki
2014-02-18 23:15 ` Matthew Garrett
2014-02-18 23:35 ` Rafael J. Wysocki
2014-02-18 23:25 ` Matthew Garrett
2014-02-19 0:45 ` Rafael J. Wysocki
2014-02-19 0:53 ` Corey Minyard
2014-03-12 23:00 ` Pavel Machek
2014-03-12 23:22 ` Matthew Garrett
2014-03-13 7:22 ` Pavel Machek
2014-03-13 7:24 ` Matthew Garrett
2014-03-13 8:38 ` Pavel Machek
2014-03-13 13:29 ` Corey Minyard
2014-03-16 8:53 ` Pavel Machek
2014-02-20 20:14 ` Russ Anderson
2014-02-20 20:16 ` Matthew Garrett
2014-02-20 20:40 ` Russ Anderson
2014-02-20 20:46 ` Matthew Garrett
2014-02-20 20:59 ` Russ Anderson
2014-02-20 21:00 ` Matthew Garrett
2014-02-20 21:28 ` Russ Anderson
2014-02-20 21:39 ` Matthew Garrett
2014-02-20 22:06 ` Russ Anderson
2014-02-20 22:26 ` Matthew Garrett
2014-02-20 22:45 ` Russ Anderson
2014-02-20 23:09 ` Matthew Garrett
2014-02-20 23:59 ` Russ Anderson
2014-02-21 0:13 ` Matthew Garrett
2014-02-21 16:53 ` Russ Anderson
2014-02-21 2:17 ` Zheng, Lv
2014-02-21 16:12 ` Matthew Garrett
2014-02-24 0:48 ` Zheng, Lv
2014-02-21 16:33 ` Russ Anderson
2014-02-21 13:37 ` Corey Minyard
2014-02-21 15:51 ` Matthew Garrett
2014-02-21 17:12 ` Corey Minyard
2014-02-20 21:49 ` Russ Anderson
2014-02-20 21:51 ` Matthew Garrett
2014-02-21 0:10 ` Rafael J. Wysocki
2014-02-20 23:01 ` Russ Anderson [this message]
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