Important: kernel security and bug fix update (Oracle Linux 7)

- [3.10.0-693.21.1.OL7]
- Oracle Linux certificates (Alexey Petrenko)
- Oracle Linux RHCK Module Signing Key was compiled into kernel (olkmod_signing_key.x509)(alexey.petrenko@oracle.com)
- Update x509.genkey [bug 24817676]

[3.10.0-693.21.1]
- [x86] platform/uv: Mark tsc_check_sync as an init function (Frank Ramsay) [1547870 1526066]
- [x86] platform/uv: Add check of TSC state set by UV BIOS (Frank Ramsay) [1547870 1526066]
- [x86] tsc: Provide a means to disable TSC ART (Frank Ramsay) [1547870 1526066]
- [x86] tsc: Drastically reduce the number of firmware bug warnings (Frank Ramsay) [1547870 1526066]
- [x86] tsc: Skip TSC test and error messages if already unstable (Frank Ramsay) [1547870 1526066]
- [x86] tsc: Add option that TSC on Socket 0 being non-zero is valid (Frank Ramsay) [1547870 1526066]
- [x86] tsc: Remove the TSC_ADJUST clamp (Frank Ramsay) [1547870 1526066]

[3.10.0-693.20.1]
- [x86] locking/qspinlock: Fix kabi problem in a non-KVM/XEN VM (Waiman Long) [1539797 1533529]

[3.10.0-693.19.1]
- [watchdog] hpwdt: remove indirect call in drivers/watchdog/hpwdt.c (Josh Poimboeuf) [1539649 1535644]
- [kernel] x86/spec_ctrl: cleanup __ptrace_may_access (Josh Poimboeuf) [1539649 1535644]
- [x86] bugs: Drop one 'mitigation' from dmesg (Josh Poimboeuf) [1539649 1535644]
- [x86] kvm: vmx: Make indirect call speculation safe (Josh Poimboeuf) [1539649 1535644]
- [x86] kvm: x86: Make indirect calls in emulator speculation safe (Josh Poimboeuf) [1539649 1535644]
- [x86] retpoline: Optimize inline assembler for vmexit_fill_RSB (Josh Poimboeuf) [1539649 1535644]
- [x86] mce: Make machine check speculation protected (Josh Poimboeuf) [1539649 1535644]
- [x86] spec_ctrl: fix ptrace IBPB optimization (Josh Poimboeuf) [1539649 1535644]
- [x86] spec_ctrl: Avoid returns in IBRS-disabled regions (Josh Poimboeuf) [1539649 1535644]
- [x86] spectre/meltdown: avoid the vulnerability directory to weaken kernel security (Josh Poimboeuf) [1539649 1535644]
- [x86] spec_ctrl: Document retpolines and ibrs_enabled=3 (Josh Poimboeuf) [1539649 1535644]
- [x86] spec_ctrl: upgrade GCC retpoline warning to an error (Josh Poimboeuf) [1539649 1535644]
- [x86] Use IBRS for firmware update path (Josh Poimboeuf) [1539649 1535644]
- [x86] spec_ctrl: stuff RSB on context switch with SMEP enabled (Josh Poimboeuf) [1539649 1535644]
- [x86] spec_ctrl: enforce sane combinations of IBRS and retpoline (Josh Poimboeuf) [1539649 1535644]
- [x86] spec_ctrl: use upstream RSB stuffing function (Josh Poimboeuf) [1539649 1535644]
- [x86] spec_ctrl: add ibrs_enabled=3 (ibrs_user) (Josh Poimboeuf) [1539649 1535644]
- [kernel] x86/jump_label: warn on failed jump label patch (Josh Poimboeuf) [1539649 1535644]
- [x86] spec_ctrl: detect unretpolined modules (Josh Poimboeuf) [1539649 1535644]
- [x86] retpoline: Add LFENCE to the retpoline/RSB filling RSB macros (Josh Poimboeuf) [1539649 1535644]
- [x86] retpoline: Fill return stack buffer on vmexit (Josh Poimboeuf) [1539649 1535644]
- [x86] retpoline/xen: Convert Xen hypercall indirect jumps (Josh Poimboeuf) [1539649 1535644]
- [x86] retpoline/hyperv: Convert assembler indirect jumps (Josh Poimboeuf) [1539649 1535644]
- [x86] retpoline/ftrace: Convert ftrace assembler indirect jumps (Josh Poimboeuf) [1539649 1535644]
- [x86] retpoline/entry: Convert entry assembler indirect jumps (Josh Poimboeuf) [1539649 1535644]
- [x86] retpoline/crypto: Convert crypto assembler indirect jumps (Josh Poimboeuf) [1539649 1535644]
- [x86] retpoline: Add initial retpoline support (Josh Poimboeuf) [1539649 1535644]
- [x86] jump_label: add asm support for static keys (Josh Poimboeuf) [1539649 1535644]
- [x86] asm: Make asm/alternative.h safe from assembly (Josh Poimboeuf) [1539649 1535644]
- [tools] objtool: Support new GCC 6 switch jump table pattern (Josh Poimboeuf) [1539649 1535644]
- [tools] objtool: Detect jumps to retpoline thunks (Josh Poimboeuf) [1539649 1535644]
- [x86] spectre: Add boot time option to select Spectre v2 mitigation (Josh Poimboeuf) [1539649 1535644]
- [x86] spec_ctrl: print features changed by microcode loading (Josh Poimboeuf) [1539649 1535644]
- [x86] spec_ctrl: refactor the init and microcode loading paths (Josh Poimboeuf) [1539649 1535644]
- [x86] spec_ctrl: move initialization of X86_FEATURE_IBPB_SUPPORT (Josh Poimboeuf) [1539649 1535644]
- [x86] spec_ctrl: remove SPEC_CTRL_PCP_IBPB bit (Josh Poimboeuf) [1539649 1535644]
- [x86] spec_ctrl: remove ibrs_enabled variable (Josh Poimboeuf) [1539649 1535644]
- [x86] spec_ctrl: add ibp_disabled variable (Josh Poimboeuf) [1539649 1535644]
- [x86] spec_ctrl: add X86_FEATURE_IBP_DISABLE (Josh Poimboeuf) [1539649 1535644]
- [x86] spec_ctrl: remove IBP disable for AMD model 0x16 (Josh Poimboeuf) [1539649 1535644]
- [x86] spec_ctrl: remove performance measurements from documentation (Josh Poimboeuf) [1539649 1535644]
- [x86] spec_ctrl: make ipbp_enabled read-only (Josh Poimboeuf) [1539649 1535644]
- [x86] spec_ctrl: remove ibpb_enabled=2 mode (Josh Poimboeuf) [1539649 1535644]
- [x86] cpu: Implement CPU vulnerabilites sysfs functions (Josh Poimboeuf) [1539649 1535644]
- [base] sysfs/cpu: Add vulnerability folder (Josh Poimboeuf) [1539649 1535644]
- [x86] cpu: Merge bugs.c and bugs_64.c (Josh Poimboeuf) [1539649 1535644]
- [x86] syscall: int80 must not clobber r12-15 (Josh Poimboeuf) [1539649 1535644]
- [x86] syscall: change ia32_syscall() to create the full register frame in ia32_do_call() (Josh Poimboeuf) [1539649 1535644]
- [x86] boot: Add early cmdline parsing for options with arguments (Josh Poimboeuf) [1539649 1535644]
- [x86] boot: Pass in size to early cmdline parsing (Josh Poimboeuf) [1539649 1535644]
- [x86] boot: Simplify early command line parsing (Josh Poimboeuf) [1539649 1535644]
- [x86] boot: Fix early command-line parsing when partial word matches (Josh Poimboeuf) [1539649 1535644]
- [x86] boot: Fix early command-line parsing when matching at end (Josh Poimboeuf) [1539649 1535644]
- [scsi] storvsc: Fix scsi_cmd error assignments