Important: kernel security, bug fix, and enhancement update (Oracle Linux 8)

[4.18.0-305.OL8]
- Update Oracle Linux certificates (Kevin Lyons)
- Disable signing for aarch64 (Ilya Okomin)
- Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list (olkmod_signing_key.pem) [Orabug: 29539237]
- Update x509.genkey [Orabug: 24817676]
- Conflict with shim-ia32 and shim-x64 <= 15-11.0.5

[4.18.0-305]
- perf/x86/intel/uncore: Remove uncore extra PCI dev HSWEP_PCI_PCU_3 (Michael Petlan) [1950388]

[4.18.0-304]
- mm: Revert 'remove the account_page_dirtied export' (Waiman Long) [1941257]
- Revert '[netdrv] net/broadcom: Clean broadcom code from driver versions' (Jonathan Toppins) [1940842]

[4.18.0-303]
- redhat: switch secureboot kernel image signing to release keys (Jan Stancek)
- Revert '[md] md/raid5: add a new member of offset into r5dev' (Nigel Croxon) [1936903]
- Revert '[md] md/raid5: make async_copy_data() to support different page offset' (Nigel Croxon) [1936903]
- Revert '[crypto] md/raid5: add new xor function to support different page offset' (Nigel Croxon) [1936903]
- Revert '[md] md/raid5: convert to new xor compution interface' (Nigel Croxon) [1936903]
- Revert '[crypto] md/raid6: let syndrome computor support different page offset' (Nigel Croxon) [1936903]
- Revert '[crypto] md/raid6: let async recovery function support different page offset' (Nigel Croxon) [1936903]
- Revert '[md] md/raid5: let multiple devices of stripe_head share page' (Nigel Croxon) [1936903]
- Revert '[md] md/raid5: resize stripe_head when reshape array' (Nigel Croxon) [1936903]
- Revert '[md] md/raid5: reallocate page array after setting new stripe_size' (Nigel Croxon) [1936903]
- ACPI: PNP: compare the string length in the matching_id() (Mark Langsdorf) [1933702]
- ceph: add missing break when parsing 'nowsync' mount option (Jeff Layton) [1932753]
- get_maintainer.conf: Update with new location of RHMAINTAINERS (Prarit Bhargava)
- redhat: make pathspec exclusion compatible with old git versions (Herton R. Krzesinski)
- redhat/scripts: Update merge-subtrees.sh with new subtree location (Prarit Bhargava)
- tree: Add RHMAINTAINERS soft link in 8.4 (Prarit Bhargava)
- tree: remove existing redhat/rhdocs subtree in 8.4 (Prarit Bhargava)

[4.18.0-302]
- PCI: rpadlpar: Fix potential drc_name corruption in store functions (Gustavo Luiz Duarte) [1938116]
- selftests: kvm: Add basic Hyper-V clocksources tests (Vitaly Kuznetsov) [1931782]
- KVM: x86: hyper-v: Dont touch TSC page values when guest opted for re-enlightenment (Vitaly Kuznetsov) [1931782]
- KVM: x86: hyper-v: Track Hyper-V TSC page status (Vitaly Kuznetsov) [1931782]
- KVM: x86: hyper-v: Prevent using not-yet-updated TSC page by secondary CPUs (Vitaly Kuznetsov) [1931782]
- KVM: x86: hyper-v: Limit guest to writing zero to HV_X64_MSR_TSC_EMULATION_STATUS (Vitaly Kuznetsov) [1931782]
- drm/i915/guc: Update to use firmware v49.0.1 (Dave Airlie) [1935281] {CVE-2020-12362}
- time: Enable __kernel_timespec for 32-bit vdso build (Waiman Long) [1936282]
- lib/idr.c: document calling context for IDA APIs mustnt use locks (Chris von Recklinghausen) [1917764]
- ida: Free allocated bitmap in error path (Chris von Recklinghausen) [1917764]
- radix tree test suite: Fix compilation (Chris von Recklinghausen) [1917764]
- vmalloc: convert to XArray (Chris von Recklinghausen) [1917764]
- mm: pass addr as unsigned long to vb_free (Chris von Recklinghausen) [1917764]
- radix tree: Remove multiorder support (Chris von Recklinghausen) [1917764]
- radix tree test: Convert multiorder tests to XArray (Chris von Recklinghausen) [1917764]
- radix tree tests: Convert item_delete_rcu to XArray (Chris von Recklinghausen) [1917764]
- radix tree tests: Convert item_kill_tree to XArray (Chris von Recklinghausen) [1917764]
- radix tree tests: Move item_insert_order (Chris von Recklinghausen) [1917764]
- radix tree test suite: Remove multiorder benchmarking (Chris von Recklinghausen) [1917764]
- radix tree test suite: Remove __item_insert (Chris von Recklinghausen) [1917764]
- radix tree: Remove radix_tree_clear_tags (Chris von Recklinghausen) [1917764]
- radix tree: Remove split/join code (Chris von Recklinghausen) [1917764]
- radix tree: Remove radix_tree_update_node_t (Chris von Recklinghausen) [1917764]
- mm: Convert truncate to XArray (Chris von Recklinghausen) [1917764]
- copy rh_kabi.h to tools/testing/radix-tree/linux (Chris von Recklinghausen) [1917764]

[4.18.0-301]
- ibmvnic: fix a race between open and reset (Diego Domingos) [1940042]
- ibmvnic: Set to CLOSED state even on error (Diego Domingos) [1940042]
- ibmvnic: device remove has higher precedence over reset (Diego Domingos) [1940042]
- ibmvnic: merge do_change_param_reset into do_reset (Diego Domingos) [1940042]
- ibmvfc: disable MQ channelization by default (Gustavo Luiz Duarte) [1939359]
- pNFS/NFSv4: Fix a layout segment leak in pnfs_layout_process() (Steve Dickson) [1926945]
- scsi: iscsi: Verify lengths on passthrough PDUs (Chris Leech) [1930833] {CVE-2021-27365}
- scsi: iscsi: Ensure sysfs attributes are limited to PAGE_SIZE (Chris Leech) [1930856] {CVE-2021-27363}
- scsi: iscsi: Restrict sessions and handles to admin capabilities (Chris Leech) [1930809] {CVE-2021-27364}
- futex: Handle faults correctly for PI futexes (Waiman Long) [1924635]
- futex: Simplify fixup_pi_state_owner() (Waiman Long) [1924635]
- futex: Use pi_state_update_owner() in put_pi_state() (Waiman Long) [1924635]
- rtmutex: Remove unused argument from rt_mutex_proxy_unlock() (Waiman Long) [1924635]
- futex: Provide and use pi_state_update_owner() (Waiman Long) [1924635]
- futex: Replace pointless printk in fixup_owner() (Waiman Long) [1924635]
- futex: Ensure the correct return value from futex_lock_pi() (Waiman Long) [1924635]
- futex: Dont enable IRQs unconditionally in put_pi_state() (Waiman Long) [1924635]
- futex: Fix incorrect should_fail_futex() handling (Waiman Long) [1924635]
- futex: Consistently use fshared as boolean (Waiman Long) [1924635]
- futex: Remove needless gotos (Waiman Long) [192