From: Joerg Roedel Date: Wed, 13 Feb 2008 17:58:47 +0000 (+0100) Subject: KVM: SVM: enable LBR virtualization X-Git-Tag: v2.6.26-rc1~1028^2~116 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=24e09cbf480a72f9c952af4ca77b159503dca44b;p=pandora-kernel.git KVM: SVM: enable LBR virtualization This patch implements the Last Branch Record Virtualization (LBRV) feature of the AMD Barcelona and Phenom processors into the kvm-amd module. It will only be enabled if the guest enables last branch recording in the DEBUG_CTL MSR. So there is no increased world switch overhead when the guest doesn't use these MSRs. Signed-off-by: Joerg Roedel Signed-off-by: Markus Rechberger Signed-off-by: Avi Kivity --- Reading git-diff-tree failed