[Xen-devel] [PATCH 0/5] svm: implement new DecodeAssist feature

[Andre Przywara <andre.przywara@xxxxxxx>]

Hi,

newer AMD SVM implementations (starting with Bulldozer) have some 
additions to SVM called DecodeAssist. These bits improve and simplify 
the handling of some intercepts, now more information is provided in the 
VMCB already and saves us from decoding this information "manually".
These new features are described in recent editions of the APM Vol.2 
manual, chapter 15.33.
The first patch moves some code from VMX into HVM to be later used by 
SVM. The second patch adds the newly defined bits to VMCB and CPUID.
Patch 3 to 5 implement three parts of the feature set, more details in 
the specific emails.
Please comment.

All patches:
Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx>

Regards,
Andre.

--
Andre Przywara
AMD-Operating System Research Center (OSRC), Dresden, Germany


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