KVM_NR_DB_REGS    466 arch/x86/include/asm/kvm_host.h 	unsigned long db[KVM_NR_DB_REGS];
KVM_NR_DB_REGS    469 arch/x86/include/asm/kvm_host.h 	unsigned long eff_db[KVM_NR_DB_REGS];