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[Xen-devel] Staus of split lock in pfn_inf on x86_64

To: "Puthiyaparambil, Aravindh" <aravindh.puthiyaparambil@xxxxxxxxxx>
From: "Nakajima, Jun" <jun.nakajima@xxxxxxxxx>
Date: Tue, 18 Oct 2005 17:04:52 -0700
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Wed, 19 Oct 2005 01:54:33 +0000
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
Thread-index: AcXUKc3Crd0fb/BTQc6o2XP34VbELgABtttQAAD/CNAAAq4g4A==
Thread-topic: Staus of split lock in pfn_inf on x86_64

Aravindh, Hi

I remember you proposed some changes to the pfn_info structure to avoid
split locks, and I would like to know about the current status, i.e. are
we still doing the lock prefixed instruction across cache lines?

Jun
---
Intel Open Source Technology Center 


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