linux内核选项详解.docVIP

General setup(基本属性设置)-prompt for development and/or incomplete code/drivers /显示尚在开发的代码和驱动(嵌入式开发不用选择)（-pdk7105）Local version -append to kernel release/本地版本信息追加到kernel发布版Automatically append version information to the version string /自动追加版本信息到版本字符串*Support for pading of anonymous memory(swap) /支持交换分区*System V IPC/进程间通信BSD Process Accounting/充许用户进程访问内核将账户信息写入文件中的Export task/process statistics through netlink(EXPERIMENTAL)/通过网络导出任务和进程的统计信息(实验性的)Auditing support/审记支持，用于和内核的某些子模块同时工作Kernel .config support/将.config配置信息保存在内核中，选上它及它的子项使得其它用户能从/proc中得到内核的配置 -*Enable access to .config through /proc/config.gz /允许通过/proc/config.gz存取.config14Kernel log buffer size (16=64KB,17=128KB)/kernel日志缓冲区长度Create deprecated sysfs files/建立过时的sysfs文件系统（虽然写着过时然而许多版本仍然有编译)Kernel-user space relay support(formerly relayfs)/relayfs支持,内核空间到用户空间高效数据传输系统支持*Initial RAM filesystem and RAM disk(initramfs/initrd) support /初始化initramfs和ram disk的支持，initramfs相对独立，嵌入式开发选用 -()Initramfs source file(s)/此处可以填入你根文件系统中的initramfs目录*Configure standard kernel features(for small systems) -/为小系统配置标准的内核特性 -Configure standard kernel features(for small systems)/給嵌入式系統使用的 *Enable 16-bit UID system calls /允许16-bit的UID系统调用 *Sysctl syscall support/不需要重启就能修改内核的某些参数和变量,如果你也选择了支持/proc,将能从/proc/sys存取可以影响内核行为的参数或变量 *Load all symbols for debugging/ksymoops/为调试加载所有符号(可不选择) Do an extra kallsyms pass/除非你在kallsyms中发现了bug并需要报告这个bug才打开该选项 *Support for hot-pluggable devices/支持热插拔设备,如usb与pc卡等,Udev也需要它 Enable support for printk/允许内核向终端打印字符信息,在需要诊断内核为什么不能运行时选择 Bug() support/显示故障和失败条件(BUG和WARN),禁用它将可能导致隐含的错误被忽略 Enable ELF core dumps/内存转储支持,可以帮助调试ELF格式的程序 Full panic reporting data/所有不安全数据报告 Enable full-sized data structures for core/在内核中使用全尺寸的数据结构.禁用它将使得某些内核的数据结构减小,节省内存但是将可能降低性能 Enable various size reductions for networking/允许为网络缩减长度 Enable INET peer information storage/设置网络访问限制信息存储 *Enable network socket filter/允许网络套接字过滤 *Enable ethtool support/允许ethtool支持 *Enable futex support/支持同步机制互斥 Enable eventpoll support/允许事件池支持 *Enable signalfd() system call/启用signalfd()事件的文件描述符系统调用 *Enable eventfd() system call/启用eventfd()事件的文件描述符系统调用 *Use full shmem filesystem/完全使用shmem来代替ramfs.shmem是基于共享内存的文件系统(可能用到swap), 在启用TMPFS后可以挂载为tmpfs供用户空间使用,它比简单的ramfs先进许多 Calulate CRC32 with tables/使用table表计算CRC32 Enable VM event counters for /proc/vmstat /为/proc/vmstat使用VM事件计数器 Choose SLAB allocator(SLAB)-/选择SLAB分佩符，优化内存 -(X)SLAB/默认分配符 ()SLUB(Unqueued Allocator)/非队列分配符 ()SLOB(Simple Allocator)/简单分配符 *Disable immediate values(NEW)/immediate values提供动态代码补丁方式*Enable loadable module support-/允许可加载的模块支持-Enable loadable module support*module unloading/模块卸载module visioning support/模块版本支持Source checksum for all modules/对所有模块进行源代码检测*Automatic kernel module loading/内核自动加载模块Enable ELF hash support for fast loading/为快速加载允许ELF哈希支持*Enable the block layer-/允许块设备-Enable the block layerSupport for large Block devices/对大型块设备的支持(2TB或以上)Support for tracing block io actions/对块设备进行跟踪Support for large signal files/大文件支持IO Schedulers -/磁盘I/O调度器 Anticipatory I/O Scheduler/抢占式I/O调度方式 Deadline I/O scheduler/期限式I/O调度方式 CFQ I/O scheduler/CFQ I/O调度方式 均分带宽 Defaule I/O scheduler(Anticipatory) -/默认I/O调度器Processor type and features -/处理器类型及特性Tickless System (Dynamic Ticks)/微标记系统High Resolution Timer Support/高频率时钟支持Symmetric multi-processing support(NEW)/对称多处理器支持 Subarchitecture Type (PC-compatible)-/子构架类型标准PC或兼容机*Single-depth WCHAN output(NEW)/单精度WCHAN输出 系统调用等待时的地址 Processor family (Pentium-Pro) -/处理器类型Generic X86 support/通用X86支持HPET Timer Support(NEW)/高精度事件时钟支持 Preemption Model (Preemptible Kernel (Low-Latency Desktop) - /抢先式模块(低延迟桌面)*Preempt the Big kernel lock/抢先式大内核锁 选项通过让大内核锁变成“可抢先”来降低延迟Local APIC support on uniprocessors/对特定处理器的本地APIC(高级可编程中断控制器)支持Machine check exception/机器例外检查*Enable VM86 Support/虚拟X86支持,在DOSEMU下运行16-bit程序或XFree86通过BIOS初始化某些显卡的时候才需要Toshiba Laptop support /东芝笔记本支持Dell Laptop support/戴尔笔记本支持Enable X86 board specific fixups for reboot/X86版的重启修复功能/dev/cpu/microcode - Intel IA32 CPU microcode support /Intel IA32架构CPU支持/dev/cpu/*/msr - Model-specific register support/是否打开CPU特殊功能寄存器/dev/cpu/*/cpuid - CPU infomation support/记录CPU相关信息Firmware Drivers -/固件驱动 BIOS Enhanced disk Drive calls determine boot disk/BIOS加强磁盘功能，确定启动盘 BIOS update support for Dell systems via sysfs /DELL机器的BIOS升级支持 Dell systems Management Base Driver/Dell系统管理器的基本驱动 *Export DMI identification via sysfs to userspace/通过sysfs输出DMI认证到用户空间High Memory Support(4GB) Big Physical Area version 2/支持大物理地址Allocate 3rd-level pagetables from highmem/允许用户空间页表载入内存Math emulation/数学仿真MTRR(memory type range register)support/内存类型区域寄存器支持*Enabele seccomp to safely compute untrusted bytecode/允许SECCOMP(快速计算)安全的运算非信任代码Timer frequency(250 Hz)/时钟频率Kexec system call /kexec系统调用(内核重启)(0x100000)Physical address where the kernel is loaded/kernel被加载的物理地址(0x100000)Alignment value to which kernel should be aligned /kernel 启动校准值*Compat VDSO support/兼容的虚拟动态共享对象Power management options(ACPI,APM)-Power management support/电源管理支持CPU Frequency scaling -/ CPU Frequency scaling/CPU变频控制Bus options (PCI,PCMCIA,EISA,MCA,ISA)-/总线选项PCI support/PCI总线支持ISA support /ISA总线支持MCA support/MCA支持(已淘汰)NatSemi SCx200 support /对AMD geode的基本支持PCCARD(PCMCIA/CardBus)Support -/支持16位PCMCIA和32位的CardBus PCCARD(PCMCIA/CardBus)SupportExecutable file formats -/可执行文件格式kernel support for ELF binaries/ELF支持(可执行可链接，用于调试)kernel support for a.out and ECOFF binaries/对a.out和ECOFF二进制文件的支持kernel support for MISC binaries/内核对MISC二进制文件的支持Networking -*Networking support/网络支持Networking options -/网络选项 Packet socket/包套接字接口 Packet socket:mmapped IO/包套接字接口:mmapped IO Unix domain sockets/Unix域套接字 PF KEY socket/PF_KEY套接字 *TCP/IP networking/TCP/IP网络 IP:multicasting/IP广播协议 IP:advanced router/高级路由 IP:kernel level autoconfiguration/IP:内核级别自动配置 IP:DHCP support/IP:DHCP支持，启动时挂载NFS需要 IP:BOOTP support/启动时挂载启动机子上的启动文件 IP:RARP support/RARP支持，此项和DHCP需要网络中相应服务器支持 IP:tunneling/隧道传输 ip:GRE tunnels over IP/GRE广播 IP:TCP syncookie support(disabled per default)/TCP cookie同步支持(默认关闭) IP:AH transformation/AH转换 IP:ESP transformation/ESP转换 IP:IPComp transformation/IPCOMP转换 IP:IPsec transport mode/IPsec传输模式 IP:IPsec tunnel mode/IPSEC隧道模式 IP:IPsec BEET mode/IPSEC BEET模式 INET:socket monitoring interface/套接字监控界面 TCP:advanced congestion control -/TCP高级拥挤控制 The IPv6 protocol/ipv6协议 Security Marking /网络套接字安全标志 Network packet filtering framework(Netfilter)-/网络包过滤框架 802.1d Ethernet Bridging/802.1d 网络桥接 802.1Q VLAN support/虚拟局域网支持 DECnet Support/DEC网络支持 ANSI/IEEE 802.2 LLC type 2 support/ANSI/IEEE 802.2 LLC type 2支持 The IPX protocol/IPX协议 Appletalk protocol support/Appletalk协议支持 Qos and/or fair queueing-/Qos平衡队列 Network testing-/网络测试Amateur Radio support -/业余广播支持IrDA(infrared)subsystem support-/红外子系统支持Bluetooth subsystem support-/蓝牙子系统支持wireless-/无线支持RF switch subsystem support-/RF转换子系统支持 Device Driver -/设备驱动Generic Driver options -/通用驱动选项 *Prevent firmware from being built/阻止编译固件 Userspace firmware loading support/用户空间固件装载支持 Connector -unified userspace kernelspace linker -/连接器用户空间内核空间统一连接 Memory Technology Device(MTD)support-/内存技术设备支持 -Memory Technology Device(MTD)support Debugging/为MTD子系统打开底层调试 MTD concatenating support/MTD并置支持 jffs2多重物理内存 *MTD partitioning support/MTD分区支持 RedBoot partition table parsing/RedBoot分区表分析 *Command line partition table parsing /命令行分区表分析 -User Modules and Translation layers/用户模块和转换层 Direct char device access to MTD devices/用户直接存取字符到MTD设备-common interface to block layer for MTD devices/为块MTD设备提供公共接口Caching block device access to MTD devices/为MTD块设备创建缓存FTL(flash translation layer)support/flash传输层支持 PCMCIA NFTL(NAND Flash Translation layer)support/Nand flash传输层支持 M-Systems DiskOnChip devicesINFTL(Inverse NAND Flash Translation Layer)support /反NAND flash传输层支持Resident Flash Disk(Flash Translation layer)Support/RFD支持NAND SSFDC(SmartMedia)Read only translation layer/Nand SSFDC只读传输层RAM/ROM/Flash chip drivers - /RAM/ROM/Flash片上驱动Detect flash chips by Common Flash Interface(CFI)probe/通过CFI查找flash芯片Detect non-CFI AMD/JEDEC-compatible flash chips/查找非CFI的AMD/联合电子的兼容flash芯片Flash chip driver advanced configuration options/flash芯片驱动高级配置选项support for INTEL/Sharp flash chips/支持intel/sharp的flash芯片support for amd/fujitsu flash chips/支持amd/fujitsu的flash芯片support for st(advanced architecture) flash chips/支持st的flash芯片support for RAM chips in bus mapping/支持RAM芯片总线映射support for ROM chips in bus mapping /支持ROM芯片总线映射Support for absent chips in bus mapping/支持其他芯片总线映射Mapping drivers for chip access -/为片上存取映射驱动Support non-linear mappings of flash chips/支持flash片上非线性映射CFI Flash device in physical memory map/CFIflash设备的物理内存映射(0x00000000)Physical start address of flash mapping/flash映射的物理起始地址(0x0)Physical length of flash mapping/flash映射物理长度(0)Bank width in octets/bank宽度设置(8bit的倍数，ex:4,表示32位)CFI Flash device mapped on Photron PNC-2000/Photron PNC-2000上的CFI flash设备映射CFI Flash device mapped on AMD NetSc520/AMD NetSc520上的CFI flash映射CFI Flash device mapped on Technologic System TS-5500/echnologic System TS-5500上的CFI flash设备映射BIOS flash chip on AMD76x southbridge/AMD76x南桥BIOS flash芯片BIOS flash chip on Intel Controller Hub 2/3/4/5/intel控制器BIOS flashBIOS flash chip on Intel SCB2 boards/Intel SCB2板上BIOS flashCFI flash device on SnapGear/SecureEdge/SnapGear/SecureEdge上的CFI flash设备BIOS flash chip on Intel L440GX boards/intel L440GX板上的BIOS flash芯片Map driver for platform device ram(mtd-ram)/平台设备的驱动映射Self-contained MTD device drivers-/独立的MTD设备驱动Uncached system RAM/系统RAM不缓存Physical system RAM/物理系统RAMTest driver using RAM/使用RAM测试驱动MTD using block device/使用块设备MTD-Disk-On-Chip Device Drivers/片上磁盘设备驱动M-System Disk-on chip device 2000 and Millennium(DEPRECATED)/(不赞成)M-system disk-on-chip millennium-only alternative driver(DEPRECATED)/M-System Disk-On-Chip Millennium Plus/Nand Device Support -/Nand设备支持-NAND Device SupportVerify NAND page writes/验证NAND页写入NAND ECC Smart Media byte order/NAND ECC智能设备字节序Enable chip ids for obsolete ancient NAND devices/允许老式NAND设备接口NAND support for CS5535/CS5536(AMD Geode companion chip)support for NAND Flash SImulator/支持NAND flash模拟器support for generic platform NAND driver/支持基本平台的NAND驱动STMicroelectronics:EMI bit-banging/ST的位坼开STMicroelectronics:H/W FLEX Controller/ST 高宽伸缩控制器oneNAND Device Support-/单独NAND设备支持UBI-Unsorted block images-/未排序的块镜像Enable UBI Parallel port support-/并口支持 Block devices-/块设备 -Block devices Normal floppy disk support/普通软盘支持 Loopback device support/回送设备支持 Network block device support/网络块设备支持 RAM disk support/RAM块设备支持 (16)Default number of RAM disks/默认RAM磁盘数量 (4096)Default RAM disk size(kbytes)/默认RAM磁盘尺寸 (1024)Default RAM disk block size(bytes)/默认RAM磁盘块长 Packet writing on CD/DVD media/CD/DCD媒体包写入 (8)Free buffers for data gathering/数据自由区 ATA over Ethernet support/以太网ATA支持Misc devices -/杂项设备 EEPROM 93cx6支持ATA/ATAPI/MFM/RLL support-/ATA/ATAPI/MFM/RLL支持SCSI device support -/SCSI设备支持Serial ATA(prod)and Parallel ATA(experimental) drivers-/stat和pata驱动Multiple devices driver support(RAID and LVM)-/多设备支持(RAID,LVM)Macintosh device drivers -/苹果公司的设备支持*Network device support-/网络设备支持-Network device supportNetdevice multiple hardware queue supportDummy net driver supportBonding driver supportEQL (serial line load balancing)supportUniversal TUN/TAP device driver support*Configure network hardware from the command line/从命令行配置网络硬件PHY Device support and infrastructure-/公共物理设备支持Driver for Micrel PHYs/Micrel物理设备驱动*Ethernet(10 or 100Mbit)-/100M自适应网卡Generic Media Independent Interface device support/基本独立媒体接口设备支持*Ethernet(1000 Mbit)-/千兆网卡Ethernet(10000 Mbit)- Wireless LAN-Wan interfaces support-PPP supportSLIP(serial line)supportISDN support/综合业务数字网支持Telephony support -/电话支持Input device support-/输入设备支持Mouse interface/鼠标接口*Provide legacy /dev/psaux device/提供传统的/dev/psaux设备(1024)Horizontal screen resolution/水平屏幕分辨率(768)Vertical screen resolution/垂直屏幕分辨率Event interface/事件接口*Miscellaneous devices -/多种设备TM1668 LED/Keyboard controller/TM1668 LED/键盘控制器Hardware I/O ports -/硬件I/O端口Seria