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[Xen-devel] lock issue for vpic_irq_negative_edge
| To: | "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] lock issue for vpic_irq_negative_edge |
| From: | "Tian, Kevin" <kevin.tian@xxxxxxxxx> |
| Date: | Thu, 29 Mar 2007 10:39:05 +0800 |
| Delivery-date: | Wed, 28 Mar 2007 19:38:03 -0700 |
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| Thread-index: | Acdxq2rwPOuYrZ93SlCRhY9uMvANXw== |
| Thread-topic: | lock issue for vpic_irq_negative_edge |
Hi, Keir,
vPIC has a private lock, but there's no acquisition in the
injection
path. This should be a potential issue for change on IRR. Then the
assertion (ASSERT(vpic_is_locked(vpic)) is likely to be failed within
vpic_irq_negative_edge if debug option is enabled. Is anything
missing here?
Thanks,
Kevin
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