Re: [PATCH 00/11] ACPI: early _PDC eval and unify x86/ia64
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- To: Alex Chiang <achiang@xxxxxx>
- Subject: Re: [PATCH 00/11] ACPI: early _PDC eval and unify x86/ia64
- From: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx>
- Date: Mon, 21 Dec 2009 09:15:50 +0100
- Cc: venkatesh.pallipadi@xxxxxxxxx, lenb@xxxxxxxxxx, linux-acpi@xxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
- In-reply-to: <20091220190434.4274.67855.stgit@xxxxxxx>
- List-id: <linux-ia64.vger.kernel.org>
- Mail-followup-to: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx>, Alex Chiang <achiang@xxxxxx>, venkatesh.pallipadi@xxxxxxxxx, lenb@xxxxxxxxxx, linux-acpi@xxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
- References: <20091220190434.4274.67855.stgit@xxxxxxx>
- User-agent: Mutt/1.5.13 (2006-08-11)
Hey,
On Sun, Dec 20, 2009 at 12:19:04PM -0700, Alex Chiang wrote:
> This does introduce a boot time namespace walk for all the CPUs
> in the system, looking for and evaluating _PDC. Hopefully that
> will not make life miserable for the giant SGI clusters. If worse
> comes to worse, maybe we can quirk them and avoid the namespace
> walk.
Could this be done async, with completion before EC initialization?
Best,
Dominik
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