[ELSA-2018-4145] Unbreakable Enterprise kernel security update

[2.6.39-400.299.3]
- x86/fpu: Make eager FPU default (Mihai Carabas) [Orabug: 28156175] {CVE-2018-3665}
- ALSA: hrtimer: Fix stall by hrtimer_cancel() (Takashi Iwai) [Orabug: 22876528] {CVE-2016-2549}
- ALSA: timer: Harden slave timer list handling (Takashi Iwai) [Orabug: 22876528] {CVE-2016-2547} {CVE-2016-2548}
- ALSA: timer: Fix double unlink of active_list (Takashi Iwai) [Orabug: 22876528] {CVE-2016-2545}
- ALSA: seq: Fix missing NULL check at remove_events ioctl (Takashi Iwai) [Orabug: 22876528] {CVE-2016-2543}
- ALSA: seq: Fix race at timer setup and close (Takashi Iwai) [Orabug: 22876528] {CVE-2016-2544}
- ALSA: usb-audio: avoid freeing umidi object twice (Andrey Konovalov) [Orabug: 22876528] {CVE-2016-2384}
- mlx4_ib: DREQ silently dropped by PF passive side (Venkat Venkatsubra) [Orabug: 25090540]
- net: tcpdump fails with EFAULT (Venkat Venkatsubra) [Orabug: 25209691]
- x86/spec: Remove rescan_spec_ctrl_feature as it's not needed anymore (Krish Sadhukhan) [Orabug: 27934121]

[2.6.39-400.299.2]
- perf/hwbp: Simplify the perf-hwbp code, fix documentation (Linus Torvalds) [Orabug: 27947612] {CVE-2018-1000199}
- Revert 'perf/hwbp: Simplify the perf-hwbp code, fix documentation' (Brian Maly) [Orabug: 27947612]