[ELSA-2019-4629] Unbreakable Enterprise kernel security update

[4.1.12-124.26.12]
- x86/mds: Add empty commit for CVE-2019-11091 (Konrad Rzeszutek Wilk) [Orabug: 29721935] {CVE-2019-11091}
- x86/microcode: Add loader version file in debugfs (Boris Ostrovsky) [Orabug: 29754165]
- x86/microcode: Fix CPU synchronization routine (Borislav Petkov) [Orabug: 29754165]
- x86/microcode: Synchronize late microcode loading (Borislav Petkov) [Orabug: 29754165]

[4.1.12-124.26.11]
- x86/speculation: Support 'mitigations=' cmdline option (Josh Poimboeuf) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- cpu/speculation: Add 'mitigations=' cmdline option (Josh Poimboeuf) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Print SMT vulnerable on MSBDS with mitigations off (Konrad Rzeszutek Wilk) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Fix comment (Boris Ostrovsky) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: update mds_mitigation to reflect debugfs configuration (Mihai Carabas) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: fix microcode late loading (Mihai Carabas) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Add boot option to enable MDS protection only while in idle (Boris Ostrovsky) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Improve coverage for MDS vulnerability (Boris Ostrovsky) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Add SMT warning message (Josh Poimboeuf) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Add mds=full,nosmt cmdline option (Josh Poimboeuf) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- Documentation: Add MDS vulnerability documentation (Thomas Gleixner) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- Documentation: Move L1TF to separate directory (Thomas Gleixner) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Add mitigation mode VMWERV (Thomas Gleixner) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Add debugfs for controlling MDS (Kanth Ghatraju) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Add sysfs reporting for MDS (Thomas Gleixner) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Add mitigation control for MDS (Thomas Gleixner) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Conditionally clear CPU buffers on idle entry (Thomas Gleixner) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/kvm/vmx: Add MDS protection when L1D Flush is not active (Thomas Gleixner) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Clear CPU buffers on exit to user (Thomas Gleixner) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Add mds_clear_cpu_buffers() (Thomas Gleixner) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/kvm: Expose X86_FEATURE_MD_CLEAR to guests (Andi Kleen) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Add BUG_MSBDS_ONLY (Thomas Gleixner) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Add basic bug infrastructure for MDS (Andi Kleen) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127} {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation: Consolidate CPU whitelists (Thomas Gleixner) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/msr-index: Cleanup bit defines (Thomas Gleixner) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- Documentation/l1tf: Fix small spelling typo (Salvatore Bonaccorso) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation: Simplify the CPU bug detection logic (Dominik Brodowski) [Orabug: 29526900] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}