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[Xen-devel] [HVM][PATCH] Prompt users a proper warning if HVM feature di
| To: | xen-devel@xxxxxxxxxxxxxxxxxxx |
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| Subject: | [Xen-devel] [HVM][PATCH] Prompt users a proper warning if HVM feature disabled in BIOS |
| From: | "Huang2, Wei" <Wei.Huang2@xxxxxxx> |
| Date: | Fri, 29 Sep 2006 14:59:47 -0500 |
| Cc: | "Woller, Thomas" <thomas.woller@xxxxxxx> |
| Delivery-date: | Fri, 29 Sep 2006 13:01:23 -0700 |
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| Thread-index: | Acbj93wuTSiU7nN+RoGwu6drZTJjOgAB6K8g |
| Thread-topic: | [Xen-devel] [HVM][PATCH] Prompt users a proper warning if HVM feature disabled in BIOS |
Current Xen prompts a warning message, saying that machine is not a "hvm-capable" platform if it can not detect "hvm" in xen_caps. This warning is misleading, especially when CPU is actually hvm-capable but the feature was disabled in BIOS. This patch detects whether CPU is hvm-capable during boot and uses this variable to prompt correct warning message when users try to boot hvm guests. Tested on the following configurations: AMD's AMD-V processor: 32-bit and 64-bit Intel's VT processor: 32-bit and 64-bit Applies cleanly to 11677. Please apply to xen-unstable.hg Signed-off-by: Wei Huang <wei.huang2@xxxxxxx> Thanks -Wei
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