[Xen-devel] [PATCH XEN v3 0/2] add support for vNVDIMM - Part 1: enable instructions

[Haozhong Zhang <haozhong.zhang@xxxxxxxxx>]

I split the previous patch series "[PATCH 0/4] add support for vNVDIMM"
into two parts. This is the first part that enables clflushopt/clwb/pcommit
instructions for HVM guests.

Changes in v3:
 * Remove unnecessary hypervisor code for clflushopt and clwb in patch 1.
 * Move the code refactoring in hvm_cpuid() to patch 2.
 * Replace checking host cpuid by checking VMX capabilities for pcommit.
 * Add a tag 'XEN' in the title to address Ian Campbell's comment in
   the corresponding QEMU patch series.

Changes in v2:
 * Refactor modifications in hvm_cpuid() per Andrew Cooper's comments.

Haozhong Zhang (2):
  x86/hvm: allow guest to use clflushopt and clwb
  x86/hvm: add support for pcommit instruction

 tools/libxc/xc_cpufeature.h        |  4 +++-
 tools/libxc/xc_cpuid_x86.c         |  5 ++++-
 xen/arch/x86/hvm/hvm.c             | 31 +++++++++++++++++++------------
 xen/arch/x86/hvm/vmx/vmcs.c        |  9 ++++++++-
 xen/arch/x86/hvm/vmx/vmx.c         |  1 +
 xen/arch/x86/hvm/vmx/vvmx.c        |  3 +++
 xen/include/asm-x86/cpufeature.h   |  1 +
 xen/include/asm-x86/hvm/vmx/vmcs.h |  4 +++-
 xen/include/asm-x86/hvm/vmx/vmx.h  |  1 +
 9 files changed, 43 insertions(+), 16 deletions(-)

-- 
2.4.8


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