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Message-ID: <483A6D15.6030701@jp.fujitsu.com>
Date: Mon, 26 May 2008 16:56:05 +0900
From: Taku Izumi <izumi.taku@jp.fujitsu.com>
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To: Pavel Machek <pavel@ucw.cz>
CC: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] ACPI: add DMI info to enable OSI(Linux) on PRIMEQUEST
References: <4816F9B9.3090609@jp.fujitsu.com> <4836660B.3080406@jp.fujitsu.com> <483667A4.9000606@jp.fujitsu.com> <20080525114308.GA5237@ucw.cz>
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Thank you for your response.

>> This patch adds DMI info to enable OSI(Linux) on 
>> PRIMEQUEST.
>> (PRIMEQUEST is ia64 machine.)
> 
> Why is it needed? Why needs your bios know whether it is Linux or BSD
> or whatver running?

   For memory hotplug support.
   Memory hotplug doesn't work on PRIMEQUEST when OSI(Linux) is disabled.

Best regards,
Taku Izumi <izumi.taku@jp.fujitsu.com>