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[Xen-ia64-devel] [PATCH] Fix domainU boot when VTi domain exists
| To: | <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-ia64-devel] [PATCH] Fix domainU boot when VTi domain exists |
| From: | "Zhang, Xiantao" <xiantao.zhang@xxxxxxxxx> |
| Date: | Tue, 28 Mar 2006 12:49:27 +0800 |
| Delivery-date: | Tue, 28 Mar 2006 04:55:29 +0000 |
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| Sender: | xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx |
| Thread-index: | AcZSIv4Bo5NQq7onSQevZLXg8y9u3Q== |
| Thread-topic: | [PATCH] Fix domainU boot when VTi domain exists |
This patch intends to fix domainU boot after VTi domain booted up. Currently domainU can't boot after domain VTi booted up. The root cause is when VTi domain exists, after DomU createing and being scheduled for first time, context_switch won't be executed completely but through another execution path to leave kernel. So iva and pta can't be switched to domU in this case. This will lead to LP's(run domU) iva and pta point to VTi domain's ivt and pta. So when DomainU boots, domain VTi and domainU will hang on one LP. Singed-off-by: Zhang Xiantao <xiantao.zhang@xxxxxxxxx> Singed-off-by: Kevin Tian <kevin.tian@xxxxxxxxx> Thanks -Xiantao
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