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[Xen-ia64-devel] [PATCH] Reload KRs when domain switch
| To: | <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-ia64-devel] [PATCH] Reload KRs when domain switch |
| From: | "Tian, Kevin" <kevin.tian@xxxxxxxxx> |
| Date: | Tue, 1 Nov 2005 09:55:24 +0800 |
| Delivery-date: | Tue, 01 Nov 2005 01:52:21 +0000 |
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| Thread-index: | AcXeh1LjVGKGX9LuTe6K9m/JdcRyrg== |
| Thread-topic: | [PATCH] Reload KRs when domain switch |
Hi, Dan, This is next block which made dom0 in nested dtlb miss forever. The reason is that KR is not reloaded after domain switch, and thus invalid KRs are used. Several TLB miss related handlers in guest depend on KR7 to walk current page table. Then invalid KR value made everything messed. Signed-off-by Kevin Tian <Kevin.tian@xxxxxxxxx> Thanks, Kevin
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