Oracle Linux 7 ELSA-2022-9200 Critical: Kernel Update Information Leak

- 5.4.17-2136.304.4.4.el7 - arm64: Use the clearbhb instruction in mitigations (James Morse) [Orabug: 33921646] - arm64: add ID_AA64ISAR2_EL1 sys register (Joey Gouly) [Orabug: 33921646] - KVM: arm64: Allow SMCCC_ARCH_WORKAROUND_3 to be discovered and migrated (James Morse) [Orabug: 33921646] - arm64: Mitigate spectre style branch history side channels (James Morse) [Orabug: 33921646] - KVM: arm64: Add templates for BHB mitigation sequences (James Morse) [Orabug: 33921646] - arm64: Add Cortex-X2 CPU part definition (Anshuman Khandual) [Orabug: 33921646] - arm64: Add Neoverse-N2, Cortex-A710 CPU part definition (Suzuki K Poulose) [Orabug: 33921646] - arm64: Add part number for Arm Cortex-A77 (Rob Herring) [Orabug: 33921646] - arm64: proton-pack: Report Spectre-BHB vulnerabilities as part of Spectre-v2 (James Morse) [Orabug: 33921646] - arm64: Add percpu vectors for EL1 (James Morse) [Orabug: 33921646] - arm64: entry: Add macro for reading symbol addresses from the trampoli...