Important: kernel security update (Oracle Linux 7)

- [3.10.0-693.11.6.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]

[3.10.0-693.11.6]
- [x86] spec_ctrl: Eliminate redundant FEATURE Not Present messages (Andrea Arcangeli) [1519795 1519798] {CVE-2017-5715}
- [x86] mm/kaiser: init_tss is supposed to go in the PAGE_ALIGNED per-cpu section (Andrea Arcangeli) [1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: svm: spec_ctrl at vmexit needs per-cpu areas functional (Andrea Arcangeli) [1519795 1519798] {CVE-2017-5715}
- [x86] kaiser/mm: skip IBRS/CR3 restore when paranoid exception returns to userland (Andrea Arcangeli) [1519795 1519798] {CVE-2017-5715}
- [x86] kaiser/mm: consider the init_mm.pgd a kaiser pgd (Andrea Arcangeli) [1519795 1519798] {CVE-2017-5715}

[3.10.0-693.11.5]
- [x86] kaiser/mm: convert userland visible 'kpti' name to 'pti' (Andrea Arcangeli) [1519795 1519798]
- Revert 'x86/entry: Use retpoline for syscall's indirect calls' (Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: set IBRS during resume from RAM if ibrs_enabled is 2 (Andrea Arcangeli) [1519795 1519798]
- [x86] kaiser/mm: __load_cr3 in resume from RAM after kernel gs has been restored (Andrea Arcangeli) [1519795 1519798]

[3.10.0-693.11.4]
- [x86] spec_ctrl: allow use_ibp_disable only if both SPEC_CTRL and IBPB_SUPPORT are missing (Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: Documentation spec_ctrl.txt (Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: remove irqs_disabled() check from intel_idle() (Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: use enum when setting ibrs/ibpb_enabled (Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: undo speculation barrier for ibrs_enabled and noibrs_cmdline (Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: introduce ibpb_enabled = 2 for IBPB instead of IBRS (Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: introduce SPEC_CTRL_PCP_ONLY_IBPB (Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: cleanup s/flush/sync/ naming when sending IPIs (Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: set IBRS during CPU init if in ibrs_enabled == 2 (Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: use IBRS_ENABLED instead of 1 (Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: allow the IBP disable feature to be toggled at runtime (Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: always initialize save_reg in ENABLE_IBRS_SAVE_AND_CLOBBER (Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: ibrs_enabled() is expected to return > 1 (Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: issue a __spec_ctrl_ibpb if a credential check isn't possible (Andrea Arcangeli) [1519795 1519798]
- [x86] mm/kaiser: disable global pages by default with KAISER (Andrea Arcangeli) [1519795 1519798]
- Revert 'x86/mm/kaiser: Disable global pages by default with KAISER' (Andrea Arcangeli) [1519795 1519798]
- ibpb: don't optimize spec_cntrl_ibpb on PREEMPT_RCU (Andrea Arcangeli) [1519795 1519798]
- [x86] spec_ctrl: clear registers after 32bit syscall stackframe is setup (Andrea Arcangeli) [1519800 1519801]
- [x86] spec_ctrl: reload spec_ctrl cpuid in all microcode load paths (Andrea Arcangeli) [1519800 1519801]
- [x86] kaiser/mm: fix pgd freeing in error path (Andrea Arcangeli) [1519800 1519801]

[3.10.0-693.11.3]
- [x86] spec_ctrl: Prevent unwanted speculation without IBRS (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715 CVE-2017-5754}
- [x86] entry: Remove trampoline check from paranoid entry path (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715 CVE-2017-5754}
- [x86] entry: Fix paranoid_exit() trampoline clobber (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715 CVE-2017-5754}
- [x86] entry: Simplify trampoline stack restore code (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715 CVE-2017-5754}
- [x86] dumpstack: Remove raw stack dump (Josh Poimboeuf) [1519795 1519798]
- [x86] spec_ctrl: remove SPEC_CTRL_DEBUG code (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: add noibrs noibpb boot options (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] entry: Use retpoline for syscall's indirect calls (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] syscall: Clear unused extra registers on 32-bit compatible syscall entrance (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: cleanup unnecessary ptregscall_common function (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: CLEAR_EXTRA_REGS and extra regs save/restore (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] syscall: Clear unused extra registers on syscall entrance (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: rescan cpuid after a late microcode update (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: add debugfs ibrs_enabled ibpb_enabled (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: consolidate the spec control boot detection (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] KVM/spec_ctrl: allow IBRS to stay enabled in host userland (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: add debug aid to test the entry code without microcode (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] spec_ctrl: move stuff_RSB in spec_ctrl.h (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] entry: Stuff RSB for entry to kernel for non-SMEP platform (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] mm: Only set IBPB when the new thread cannot ptrace current thread (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] mm: Set IBPB upon context switch (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] idle: Disable IBRS when offlining cpu and re-enable on wakeup (Josh Poimboeuf) [1519795 1519798] {CVE-2017-5715}
- [x86] idle: Disable IBRS entering idle and enable it on wakeup (Josh Po