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From: Matthew Garrett <mjg59@srcf.ucam.org>
To: yakui.zhao@intel.com
Cc: minyard@acm.org, lenb@kernel.org,
	openipmi-developer@lists.sourceforge.net,
	linux-acpi@vger.kernel.org, Bjorn Helgaas <bjorn.helgaas@hp.com>,
	Myron Stowe <myron.stowe@hp.com>
Subject: Re: [PATCH -v6 2/2] IPMI: use ACPI detection mechanism firstly to detect IPMI system interface
Date: Mon, 7 Jun 2010 13:52:13 +0100	[thread overview]
Message-ID: <20100607125213.GA8277@srcf.ucam.org> (raw)
In-Reply-To: <1275902842-19895-3-git-send-email-yakui.zhao@intel.com>

On Mon, Jun 07, 2010 at 05:27:22PM +0800, yakui.zhao@intel.com wrote:

> Use the ACPI detection mechanism firstly to detect the IPMI system interface
> so that we can know which IPMI system interface is detected in ACPI namespace and
> then install the IPMI opregion to enable ACPI to access the BMC controller.
> But the hardcode detection mechanism is still put in the first order.

This is less than ideal. I've seen several machines where the PCI IPMI 
device is the only one to provide interrupts, so using the ACPI one and 
refusing to register the PCI one isn't really an option.

-- 
Matthew Garrett | mjg59@srcf.ucam.org

  reply	other threads:[~2010-06-07 12:52 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-07  9:27 [PATCH -v6 0/2] IPMI: Install the ACPI IPMI opregion yakui.zhao
2010-06-07  9:27 ` [PATCH -v6 1/2] IPMI: Install the IPMI space handler to enable ACPI to access the BMC controller yakui.zhao
2010-06-07  9:27   ` [PATCH -v6 2/2] IPMI: use ACPI detection mechanism firstly to detect IPMI system interface yakui.zhao
2010-06-07 12:52     ` Matthew Garrett [this message]
2010-06-08  1:28       ` ykzhao
2010-06-08  1:34         ` Matthew Garrett
2010-06-08  5:10           ` ykzhao
2010-06-09  3:02             ` Myron Stowe
2010-06-09 13:08             ` Corey Minyard
2010-06-10  2:34               ` ykzhao
2010-06-10  3:12                 ` Corey Minyard

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