SYS_APDBKEYHI_EL1 37 arch/arm64/include/asm/kvm_ptrauth.h mrs_s \reg2, SYS_APDBKEYHI_EL1 SYS_APDBKEYHI_EL1 56 arch/arm64/include/asm/kvm_ptrauth.h msr_s SYS_APDBKEYHI_EL1, \reg2