From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 61411] [Nested]L2 guest failed to start in VMware on KVM
Date: Tue, 02 Sep 2014 04:35:44 +0000
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https://bugzilla.kernel.org/show_bug.cgi?id=61411
Zhou, Chao changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |CODE_FIX
--- Comment #2 from Zhou, Chao ---
this commit fixed the bug:
commit a7c0b07d570848e50fce4d31ac01313484d6b844
Author: Wanpeng Li
Date: Thu Aug 21 19:46:50 2014 +0800
KVM: nVMX: nested TPR shadow/threshold emulation
This patch fix bug https://bugzilla.kernel.org/show_bug.cgi?id=61411
TPR shadow/threshold feature is important to speed up the Windows guest.
Besides, it is a must feature for certain VMM.
We map virtual APIC page address and TPR threshold from L1 VMCS. If
TPR_BELOW_THRESHOLD VM exit is triggered by L2 guest and L1 interested
in, we inject it into L1 VMM for handling.
Reviewed-by: Paolo Bonzini
Signed-off-by: Wanpeng Li
[Add PAGE_ALIGNED check, do not write useless virtual APIC page address
if TPR shadowing is disabled. - Paolo]
Signed-off-by: Paolo Bonzini
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