kernel security and bug fix update

[2.6.32-754.24.2.OL6]

• Update genkey [bug 25599697]
  [2.6.32-754.24.2]
• [documentation] Documentation: Add ITLB_MULTIHIT documentation (Paolo Bonzini) [1692385] {CVE-2018-12207}
• [kvm] KVM: introduce no_huge_pages module parameter (Paolo Bonzini) [1692385] {CVE-2018-12207}
• [x86] x86: Add ITLB_MULTIHIT bug infrastructure (Paolo Bonzini) [1692385] {CVE-2018-12207}
• [x86] x86/spec_ctrl/taa: Enable TAA status change after late microcode (Waiman Long) [1766531] {CVE-2019-11135}
• [documentation] x86/speculation/taa: Add documentation for TSX Async Abort (Waiman Long) [1766531] {CVE-2019-11135}
• [base] x86/speculation/taa: Add sysfs reporting for TSX Async Abort (Waiman Long) [1766531] {CVE-2019-11135}
• [x86] x86/speculation/taa: Add mitigation for TSX Async Abort (Waiman Long) [1766531] {CVE-2019-11135}
• [x86] x86/cpu: Add a helper function x86_read_arch_cap_msr() (Waiman Long) [1766531] {CVE-2019-11135}
• [x86] x86/msr: Add the IA32_TSX_CTRL MSR (Waiman Long) [1766531] {CVE-2019-11135}
• [drm] drm/i915: Lower RM timeout to avoid DSI hard hangs (Dave Airlie) [1756824] {CVE-2019-0154}
• [drm] drm/i915/gen8+: Add RC6 CTX corruption WA (Dave Airlie) [1756824] {CVE-2019-0154}
• [drm] drm/i915/cmdparser: Ignore Length operands during command matching (Dave Airlie) [1756891] {CVE-2019-0155}
• [drm] drm/i915/cmdparser: Add support for backward jumps (Dave Airlie) [1756891] {CVE-2019-0155}
• [drm] drm/i915: Add gen9 BCS cmdparsing (Dave Airlie) [1756891] {CVE-2019-0155}
• [drm] drm/i915: Allow parsing of unsized batches (Dave Airlie) [1756891] {CVE-2019-0155}
• [drm] drm/i915: Support ro ppgtt mapped cmdparser shadow buffers (Dave Airlie) [1756891] {CVE-2019-0155}
• [drm] drm/i915: Add support for mandatory cmdparsing (Dave Airlie) [1756891] {CVE-2019-0155}
• [drm] drm/i915: Remove Master tables from cmdparser (Dave Airlie) [1756891] {CVE-2019-0155}
• [drm] drm/i915: Disable Secure Batches for gen6+ (Dave Airlie) [1756891] {CVE-2019-0155}
• [drm] drm/i915: Rename gen7 cmdparser tables (Dave Airlie) [1756891] {CVE-2019-0155}
• [drm] drm/i915/gtt: Disable read-only support under GVT (Dave Airlie) [1756891] {CVE-2019-0155}
• [drm] erm/i915/gtt: Read-only pages for insert_entries on bdw+ (Dave Airlie) [1756891] {CVE-2019-0155}
• [drm] drm/i915/gtt: Add read only pages to gen8_pte_encode (Dave Airlie) [1756891] {CVE-2019-0155}
  [2.6.32-754.24.1]
• [net] ip: Don’t leak head fragment on queue timeout (Stefano Brivio) [1752536]
• [vhost] vhost_net: fix possible infinite loop (Eugenio Perez) [1702941]
• [vhost] vhost: introduce vhost_exceeds_weight() (Eugenio Perez) [1702941]
• [vhost] vhost_net: introduce vhost_exceeds_weight() (Eugenio Perez) [1702941]
• [vhost] vhost_net: use packet weight for rx handler, too (Eugenio Perez) [1702941]
• [vhost] vhost-net: set packet weight of tx polling to 2 * vq size (Eugenio Perez) [1702941]
• [x86] x86/pti: Fix incorrect global bit setting with PTI on (Waiman Long) [1645724]
• [x86] spec_ctrl: disable IBRS in idle, part 2 (Rafael Aquini) [1560787]