linux-kernel - [PATCH v3 0/3] kvm: vmx: enable xsaves for kvm

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Date:	Tue,  2 Dec 2014 19:14:57 +0800
From:	Wanpeng Li <wanpeng.li@...ux.intel.com>
To:	Paolo Bonzini <pbonzini@...hat.com>
Cc:	kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
	Wanpeng Li <wanpeng.li@...ux.intel.com>
Subject: [PATCH v3 0/3] kvm: vmx: enable xsaves for kvm

This patchset is to enable xsaves for kvm part, the patch for 
qemu part will be sent out later. 

The patchset is tested on skylake-client.

v2 -> v3:
 * add kvm_get/set for ia32_xss
 * fix the type XSS_EXIT_BITMAP
 * load host_xss just once in setup_vmcs_config
 * add/clear atuo switch ia32_xss msr in kvm_get/clear
 * add VMX_XSS_EXIT_BITMAP macro
 * add WARN() in handle_xsaves/xrstors
 * export xsaves if related vmcs field is set 

v1 -> v2: 
 * auto switch ia32_xss msr just if this msr is present 

Wanpeng Li (3):
  kvm: x86: Intel XSAVES vmx and msr handle
  kvm: vmx: add kvm_get/set logic to xsaves
  kvm: x86: Enable Intel XSAVES for guest

 arch/x86/include/asm/kvm_host.h |  2 ++
 arch/x86/include/asm/vmx.h      |  3 +++
 arch/x86/include/uapi/asm/vmx.h |  6 ++++-
 arch/x86/kvm/cpuid.c            |  3 ++-
 arch/x86/kvm/vmx.c              | 51 ++++++++++++++++++++++++++++++++++++++++-
 5 files changed, 62 insertions(+), 3 deletions(-)

-- 
1.9.1

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