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[Xen-devel] RE: [Xen-changelog] [MINIOS] Fix the pagefault handler to detect recursive faults.

To: xen-devel@xxxxxxxxxxxxxxxxxxx, xen-changelog@xxxxxxxxxxxxxxxxxxx
From: "Petersson, Mats" <Mats.Petersson@xxxxxxx>
Date: Tue, 16 May 2006 20:47:54 +0200
Delivery-date: Tue, 16 May 2006 11:47:27 -0700
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
Thread-index: AcZ5FwspazUVavH4Tkqxl1R7kTVIcgAAdFog
Thread-topic: [Xen-changelog] [MINIOS] Fix the pagefault handler to detect recursive faults.

> +static int handling_pg_fault = 0;

Surely this needs to be an array indexed by smp_processor_id(), or
otherwise what happens if CPU0 page-faults when CPU1 is currently in a
page-fault?

Or have I missed something that prevents this from ever happening?

--
Mats


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