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Re: [Xen-devel] [PATCH] Clear VMCS if reusing after vcpu reset
| To: | "Tian, Kevin" <kevin.tian@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] Clear VMCS if reusing after vcpu reset |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Mon, 30 Apr 2007 07:41:12 +0100 |
| Delivery-date: | Sun, 29 Apr 2007 23:38:05 -0700 |
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| Thread-topic: | [Xen-devel] [PATCH] Clear VMCS if reusing after vcpu reset |
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On 30/4/07 07:09, "Tian, Kevin" <kevin.tian@xxxxxxxxx> wrote: > Clear whole page when VMCS is reused due to cpu hotplug. > construct_vmcs doesn't take care of all fields and some stale > content may make hardware unhappy. > > Signed-off-by Kevin Tian <kevin.tian@xxxxxxxxx> Which hotplug would that be? I can't see how vmx_create_vmcs() can be called more than once for any vcpu. It's called during vcpu creation and that's it afaics. The current check for v->arch.hvm_vmx.vmcs==NULL is therefore redundant. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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