MIDR_REV 709 arch/arm64/kernel/cpu_errata.c MIDR_REV(MIDR_THUNDERX_81XX, 0, 0), MIDR_REV 721 arch/arm64/kernel/cpu_errata.c MIDR_REV(MIDR_THUNDERX_83XX, 0, 0), MIDR_REV 774 arch/arm64/kernel/cpu_errata.c MIDR_REV(MIDR_BRAHMA_B53, 0, 0),