[ELSA-2021-9006] Unbreakable Enterprise kernel security update

[5.4.17-2036.102.0.2uek]
- xen-blkback: set ring->xenblkd to NULL after kthread_stop() (Pawel Wieczorkiewicz) [Orabug: 32260252] {CVE-2020-29569}
- xenbus/xenbus_backend: Disallow pending watch messages (SeongJae Park) [Orabug: 32253409] {CVE-2020-29568}
- xen/xenbus: Count pending messages for each watch (SeongJae Park) [Orabug: 32253409] {CVE-2020-29568}
- xen/xenbus/xen_bus_type: Support will_handle watch callback (SeongJae Park) [Orabug: 32253409] {CVE-2020-29568}
- xen/xenbus: Add 'will_handle' callback support in xenbus_watch_path() (SeongJae Park) [Orabug: 32253409] {CVE-2020-29568}
- xen/xenbus: Allow watches discard events before queueing (SeongJae Park) [Orabug: 32253409] {CVE-2020-29568}

[5.4.17-2036.102.0.1uek]
- target: fix XCOPY NAA identifier lookup (David Disseldorp) [Orabug: 32248035] {CVE-2020-28374}

[5.4.17-2036.102.0uek]
- futex: Fix inode life-time issue (Peter Zijlstra) [Orabug: 32233515] {CVE-2020-14381}
- perf/core: Fix race in the perf_mmap_close() function (Jiri Olsa) [Orabug: 32233352] {CVE-2020-14351}
- intel_idle: Customize IceLake server support (Chen Yu) [Orabug: 32218858]
- dm crypt: Allow unaligned bio buffer lengths for skcipher devices (Sudhakar Panneerselvam) [Orabug: 32210418]
- vhost scsi: fix lun reset completion handling (Mike Christie) [Orabug: 32167069]
- vhost scsi: Add support for LUN resets. (Mike Christie) [Orabug: 32167069]
- vhost scsi: add lun parser helper (Mike Christie) [Orabug: 32167069]
- vhost scsi: fix cmd completion race (Mike Christie) [Orabug: 32167069]
- vhost scsi: alloc cmds per vq instead of session (Mike Christie) [Orabug: 32167069]
- vhost: Create accessors for virtqueues private_data (Eugenio Perez) [Orabug: 32167069]
- vhost: add helper to check if a vq has been setup (Mike Christie) [Orabug: 32167069]
- scsi: sd: Allow user to configure command retries (Mike Christie) [Orabug: 32167069]
- scsi: core: Add limitless cmd retry support (Mike Christie) [Orabug: 32167069]
- scsi: mpt3sas: Update driver version to 36.100.00.00 (Suganath Prabu S) [Orabug: 32242279]
- scsi: mpt3sas: Handle trigger page after firmware update (Suganath Prabu S) [Orabug: 32242279]
- scsi: mpt3sas: Add persistent MPI trigger page (Suganath Prabu S) [Orabug: 32242279]
- scsi: mpt3sas: Add persistent SCSI sense trigger page (Suganath Prabu S) [Orabug: 32242279]
- scsi: mpt3sas: Add persistent Event trigger page (Suganath Prabu S) [Orabug: 32242279]
- scsi: mpt3sas: Add persistent Master trigger page (Suganath Prabu S) [Orabug: 32242279]
- scsi: mpt3sas: Add persistent trigger pages support (Suganath Prabu S) [Orabug: 32242279]
- scsi: mpt3sas: Sync time periodically between driver and firmware (Suganath Prabu S) [Orabug: 32242279]
- scsi: mpt3sas: Bump driver version to 35.101.00.00 (Sreekanth Reddy) [Orabug: 32242279]
- scsi: mpt3sas: Add module parameter multipath_on_hba (Sreekanth Reddy) [Orabug: 32242279]
- scsi: mpt3sas: Handle vSES vphy object during HBA reset (Sreekanth Reddy) [Orabug: 32242279]
- scsi: mpt3sas: Add bypass_dirty_port_flag parameter (Sreekanth Reddy) [Orabug: 32242279]
- scsi: mpt3sas: Handling HBA vSES device (Sreekanth Reddy) [Orabug: 32242279]
- scsi: mpt3sas: Set valid PhysicalPort in SMPPassThrough (Sreekanth Reddy) [Orabug: 32242279]
- scsi: mpt3sas: Update hba_port objects after host reset (Sreekanth Reddy) [Orabug: 32242279]
- scsi: mpt3sas: Get sas_device objects using device's rphy (Sreekanth Reddy) [Orabug: 32242279]
- scsi: mpt3sas: Rename transport_del_phy_from_an_existing_port() (Sreekanth Reddy) [Orabug: 32242279]
- scsi: mpt3sas: Get device objects using sas_address & portID (Sreekanth Reddy) [Orabug: 32242279]
- scsi: mpt3sas: Update hba_port's sas_address & phy_mask (Sreekanth Reddy) [Orabug: 32242279]
- scsi: mpt3sas: Rearrange _scsih_mark_responding_sas_device() (Sreekanth Reddy) [Orabug: 32242279]
- scsi: mpt3sas: Allocate memory for hba_port objects (Sreekanth Reddy) [Orabug: 32242279]
- scsi: mpt3sas: Define hba_port structure (Sreekanth Reddy) [Orabug: 32242279]
- scsi: mpt3sas: Fix ioctl timeout (Suganath Prabu S) [Orabug: 32242279]
- icmp: randomize the global rate limiter (Eric Dumazet) [Orabug: 32227958] {CVE-2020-25705}
- perf/x86/intel/uncore: Add box_offsets for free-running counters (Kan Liang) [Orabug: 32020885]
- perf/x86/intel/uncore: Factor out __snr_uncore_mmio_init_box (Kan Liang) [Orabug: 32020885]
- perf/x86/intel/uncore: Add Ice Lake server uncore support (Kan Liang) [Orabug: 32020885]