https://bugzilla.kernel.org/show_bug.cgi?id=61411
Zhou, Chao <chao.z...@intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |CODE_FIX
--- Comment #2 from Zhou, Chao <chao.z...@intel.com> ---
this commit fixed the bug:
commit a7c0b07d570848e50fce4d31ac01313484d6b844
Author: Wanpeng Li <wanpeng...@linux.intel.com>
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 <pbonz...@redhat.com>
Signed-off-by: Wanpeng Li <wanpeng...@linux.intel.com>
[Add PAGE_ALIGNED check, do not write useless virtual APIC page address
if TPR shadowing is disabled. - Paolo]
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
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