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xen-devel
Re: [Xen-devel] [PATCH] HVM vcpu hotplug: Fix acpi method NTFY bug
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To: |
"Liu, Jinsong" <jinsong.liu@xxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
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Subject: |
Re: [Xen-devel] [PATCH] HVM vcpu hotplug: Fix acpi method NTFY bug |
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From: |
Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
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Date: |
Mon, 01 Feb 2010 12:40:09 +0000 |
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Cc: |
"Zheng, Shaohui" <shaohui.zheng@xxxxxxxxx>, "Ke, Liping" <liping.ke@xxxxxxxxx>, "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> |
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Mon, 01 Feb 2010 04:40:44 -0800 |
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[Xen-devel] [PATCH] HVM vcpu hotplug: Fix acpi method NTFY bug |
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On 01/02/2010 11:21, "Liu, Jinsong" <jinsong.liu@xxxxxxxxx> wrote:
> 5. a simple way to solve the issue is, to make sure scan loop of NTFY = scan
> loop of PRSC, and to make sure NTFY always scan 2^n vcpus.
> However, NTFY scan loop may change in the future, not necessary equal to
> 2^n, and not necessary equal to scan loop of PRSC. That's the reason why I use
> for() loop inside of decision_tree() in method NTFY at the patch I send Jan
> 27. It will work correctly under whatever conditions, and keep mk_dsdt.c
> easier to understand. Decision_tree indeed reduce scan greatly, but it's not
> in key path.
Ah, now I understand!
Okay, how about the attached patch? This fixes the bug by inlining NTFY into
PRSC, and also uses HVM_MAX_VCPUS as appropriate.
Please take a look and also test it. I'll apply it if/when you Ack it.
-- Keir
00-dsdt
Description: Binary data
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