kernel security and bug fix update

[2.6.32-696.30.1.OL6]

• Update genkey [bug 25599697]
  [2.6.32-696.30.1]
• [x86] x86/kvm: fix CPUID_7_EDX (word 18) mask (Jan Stancek) [1566893 1566899] {CVE-2018-3639}
  [2.6.32-696.29.1]
• [x86] x86/spec_ctrl: Fix late microcode problem with AMD (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] x86/spec_ctrl: Clean up entry code & remove unused APIs (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] x86/spec_ctrl: Mask off SPEC_CTRL MSR bits that are managed by kernel (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] x86/spec_ctrl: add support for SSBD to RHEL IBRS entry/exit macros (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] x86/bugs: Rename _RDS to _SSBD (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] x86/speculation: Add prctl for Speculative Store Bypass mitigation (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] x86/process: Allow runtime control of Speculative Store Bypass (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [kernel] prctl: Add speculation control prctls (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] x86/kvm: Expose the RDS bit to the guest (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] x86/bugs/AMD: Add support to disable RDS on Fam[15, 16, 17]h if requested (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] x86/spec_ctrl: Sync up RDS setting with IBRS code (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] x86/bugs: Provide boot parameters for the spec_store_bypass_disable mitigation (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] x86/bugs: Expose the /sys/…/spec_store_bypass and X86_BUG_SPEC_STORE_BYPASS (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] x86/bugs: Read SPEC_CTRL MSR during boot and re-use reserved bits (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] x86/spec_ctrl: Use separate PCP variables for IBRS entry and exit (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] cpu/intel: Knight Mill and Moorefield update to intel-family.h (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] x86/speculation: Update Speculation Control microcode blacklist (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] x86/cpuid: Fix up ‘virtual’ IBRS/IBPB/STIBP feature bits on Intel (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] x86/cpufeatures: Clean up Spectre v2 related CPUID flags (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] x86/cpufeatures: Add AMD feature bits for Speculation Control (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] x86/cpufeatures: Add Intel feature bits for Speculation (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] x86/cpufeatures: Add CPUID_7_EDX CPUID leaf (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] x86/cpu: Fill in feature word 13, CPUID_8000_0008_EBX (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] Extend RH cpuinfo to 10 extra words (Waiman Long) [1566893 1566899] {CVE-2018-3639}
• [x86] kpti/kexec: fix wrong page address in clear_page (Dave Young) [1573176 1572487]