access_ctr 1551 arch/arm64/kvm/sys_regs.c { SYS_DESC(SYS_CTR_EL0), access_ctr }, access_ctr 1851 arch/arm64/kvm/sys_regs.c { Op1( 0), CRn( 0), CRm( 0), Op2( 1), access_ctr },