From: Pavel Machek <pavel@ucw.cz>
To: Matthew Garrett <matthew.garrett@nebula.com>
Cc: "rjw@rjwysocki.net" <rjw@rjwysocki.net>,
"lenb@kernel.org" <lenb@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"minyard@acm.org" <minyard@acm.org>,
"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>
Subject: Re: [PATCH V2] Change ACPI IPMI support to "default y"
Date: Thu, 13 Mar 2014 00:00:08 +0100 [thread overview]
Message-ID: <20140312230007.GA1817@amd.pavel.ucw.cz> (raw)
In-Reply-To: <1392765307.3488.1.camel@x230.lan>
On Tue 2014-02-18 23:15:08, Matthew Garrett wrote:
> On Wed, 2014-02-19 at 00:26 +0100, Rafael J. Wysocki wrote:
> > On Tuesday, February 18, 2014 11:28:29 AM 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. Set the default to Y in order to encourage distributions and
> > > users to configure kernels to avoid awkward surprises.
> >
> > Do you have any examples of problems caused by that or is this just theoretical
> > at the moment?
>
> For example, if you load the ACPI power meter driver before you've
> installed the ACPI IPMI driver you'll typically get failures (most
> vendors implement it via IPMI).
Would the right solution be to implement dependency between power
meter and IMPI?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2014-03-12 23:00 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-18 16:28 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 [this message]
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
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