dfr0 142 arch/arm64/include/asm/hw_breakpoint.h u64 dfr0 = read_sanitised_ftr_reg(SYS_ID_AA64DFR0_EL1); dfr0 144 arch/arm64/include/asm/hw_breakpoint.h cpuid_feature_extract_unsigned_field(dfr0, dfr0 151 arch/arm64/include/asm/hw_breakpoint.h u64 dfr0 = read_sanitised_ftr_reg(SYS_ID_AA64DFR0_EL1); dfr0 153 arch/arm64/include/asm/hw_breakpoint.h cpuid_feature_extract_unsigned_field(dfr0, dfr0 965 arch/arm64/kernel/perf_event.c u64 dfr0; dfr0 970 arch/arm64/kernel/perf_event.c dfr0 = read_sysreg(id_aa64dfr0_el1); dfr0 971 arch/arm64/kernel/perf_event.c pmuver = cpuid_feature_extract_unsigned_field(dfr0,