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[Xen-devel] [PATCH] iommu: Fix hvm_dpci_eoi for smp guest in ioapic inte

from [Wei Wang2]

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Subject:	[Xen-devel] [PATCH] iommu: Fix hvm_dpci_eoi for smp guest in ioapic interrupt mode
From:	Wei Wang2 <wei.wang2@xxxxxxx>
Date:	Wed, 2 Jul 2008 18:20:50 +0200
Cc:	Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
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Hi,
My testing shows, for some smp guests, ent->fields.mask will not be
unmasked when hvm_dpci_eoi() is invoked at the first time. In that case,
we should rely on timeout call back to do pirq_guest_eoi() and should
not stop the per-irq timer too early.

-Wei
-- 
AMD Saxony, Dresden, Germany
Operating System Research Center

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