gentoo内核配置

必选选项

对于默认的内核配置，只需要开启以下选项，便可正常使用。

• 对于32bit系统，取消默认的”64-bit kernel”选项

  CONFIG_64BIT:
  Symbol: 64BIT [=n]
  Type  : boolean
  Prompt: 64-bit kernel
    Defined at arch/x86/Kconfig:2
    Depends on: ARCH [=x86]=x86
  

• devtmpfs

  Symbol: DEVTMPFS [=y]
  Type  : boolean
  Prompt: Maintain a devtmpfs filesystem to mount at /dev
    Defined at drivers/base/Kconfig:24
    Depends on: HOTPLUG [=y]
    Location:
          -> Device Drivers
            -> Generic Driver Options
  

  Symbol: DEVTMPFS_MOUNT [=y]
  Type  : boolean
  Prompt: Automount devtmpfs at /dev, after the kernel mounted the rootfs
    Defined at drivers/base/Kconfig:44
    Depends on: DEVTMPFS [=y]
    Location:
      -> Device Drivers
        -> Generic Driver Options
          -> Maintain a devtmpfs filesystem to mount at /dev (DEVTMPFS [=y])
  

• 无线网卡

  Symbol: HOSTAP [=y]
  Type  : tristate
  Prompt: IEEE 802.11 for Host AP (Prism2/2.5/3 and WEP/TKIP/CCMP)
    Defined at drivers/net/wireless/hostap/Kconfig:1
    Depends on: NETDEVICES [=y] && WLAN [=y]
    Location:
      -> Device Drivers
        -> Network device support (NETDEVICES [=y])
          -> Wireless LAN (WLAN [=y])
    Selects: WIRELESS_EXT [=n] && WEXT_SPY [=n] && WEXT_PRIV [=n] && CRYPTO [=y] && CRYPTO_ARC4 [=y] && CRYPTO_ECB [=n] && CRYPTO_AES [=y] && \
  CRYPTO_MICHAEL_MIC [=n] && CRYPTO_ECB [=n] && CRC32 [=y] && LIB80211 [=y] && LIB80211_CRYPT_WEP [=y] && LIB80211_CRYPT_TKIP [=y] && LIB80211_CRYPT_CCMP [=y]
  

  Symbol: IWLWIFI [=m]
  Type  : tristate
  Prompt: Intel Wireless WiFi Next Gen AGN - Wireless-N/Advanced-N/Ultimate-N (iwlwifi)
    Defined at drivers/net/wireless/iwlwifi/Kconfig:1
    Depends on: NETDEVICES [=y] && WLAN [=y] && PCI [=y] && MAC80211 [=y] && HAS_IOMEM [=y]
    Location:
          -> Device Drivers
            -> Network device support (NETDEVICES [=y])
                  -> Wireless LAN (WLAN [=y])
  

  CONFIG_CFG80211_WEXT:
  
  Enable this option if you need old userspace for wireless
  extensions with cfg80211-based drivers.
  
  Symbol: CFG80211_WEXT [=y]
  Type  : boolean
  Prompt: cfg80211 wireless extensions compatibility
    Defined at net/wireless/Kconfig:134
    Depends on: NET [=y] && WIRELESS [=y] && CFG80211 [=y]
    Location:
      -> Networking support (NET [=y])
        -> Wireless (WIRELESS [=y])
          -> cfg80211 - wireless configuration API (CFG80211 [=y])
    Selects: WEXT_CORE [=y]
  

• 显卡

  Symbol: FB_UVESA [=y]
  Type  : tristate
  Prompt: Userspace VESA VGA graphics support
    Defined at drivers/video/Kconfig:737
    Depends on: HAS_IOMEM [=y] && FB [=y] && CONNECTOR [=y]
    Location:
          -> Device Drivers
            -> Graphics support
                  -> Support for frame buffer devices (FB [=y])
  

• 文件系统

  Symbol: FUSE_FS [=y]
  Type  : tristate
  Prompt: FUSE (Filesystem in Userspace) support
    Defined at fs/fuse/Kconfig:1
    Location:
          -> File systems
  

  Symbol: EXT2_FS [=y]
  Type  : tristate
  Prompt: Second extended fs support
    Defined at fs/ext2/Kconfig:1
    Depends on: BLOCK [=y]
    Location:
          -> File systems
  

  Symbol: NTFS_FS [=y]
  Type  : tristate
  Prompt: NTFS file system support
    Defined at fs/ntfs/Kconfig:1
    Depends on: BLOCK [=y]
    Location:
          -> File systems
            -> DOS/FAT/NT Filesystems
  

  Symbol: NTFS_RW [=y]
  Type  : boolean
  Prompt: NTFS write support
    Defined at fs/ntfs/Kconfig:51
    Depends on: BLOCK [=y] && NTFS_FS [=y]
    Location:
          -> File systems
            -> DOS/FAT/NT Filesystems
                  -> NTFS file system support (NTFS_FS [=y])
  

可选选项

• 大内存支持

  如果当前系统为32位，并且有大于4G的内存，而又不想重新装成64位的系统，开启以下选项即可

  CONFIG_HIGHMEM64G:
  Symbol: HIGHMEM64G [=y]
  Type  : boolean
  Prompt: 64GB
    Defined at arch/x86/Kconfig:1092
    Depends on: <choice> && !M386 [=n] && !M486 [=n]
    Location:
      -> Processor type and features
        -> High Memory Support (<choice> [=y])
    Selects: X86_PAE [=y]
  

• VPN支持

  需要开启PPP及其下面所有的选项，作为模块载入

  Symbol: PPP [=m]
     Type  : tristate
     Prompt: PPP (point-to-point protocol) support
       Location:
         -> Device Drivers
           -> Network device support (NETDEVICES [=y])
       Defined at drivers/net/ppp/Kconfig:5
       Depends on: NETDEVICES [=y]
       Selects: SLHC [=m]
       Selected by: IPWIRELESS [=n] && PCMCIA [=y] && NETDEVICES [=y] && TTY [=y]
  

• 启用systemd

  CONFIG_GENTOO_LINUX_INIT_SYSTEMD:
  Symbol: GENTOO_LINUX_INIT_SYSTEMD [=y]
  Type  : boolean
  Prompt: systemd
    Location:
      -> Gentoo Linux
        -> Support for init systems, system and service managers
    Defined at distro/Kconfig:68
    Depends on: GENTOO_LINUX [=y] && GENTOO_LINUX_UDEV [=y]
    Selects: AUTOFS4_FS [=y] && BLK_DEV_BSG [=y] && CGROUPS [=y] && EPOLL [=y] && FANOTIFY [=y] && FHANDLE [=y] && INOTIFY_USER [=y] && \
  NET [=y] && NET_NS [=y] && PROC_FS [=y] && SIGNALFD [=y] && SYSFS [=y] && TIMERFD [=y] && ANON_INODES [=y] && BLOCK [=y] && EVENTFD [=y] && \
  FSNOTIFY [=y] && INET [=y] && NLATTR [=y]
  

• 嵌入式开发环境

  串口转USB的驱动

  Symbol: USB_SERIAL_PL2303 [=m]
  Type  : tristate
  Prompt: USB Prolific 2303 Single Port Serial Driver
    Defined at drivers/usb/serial/Kconfig:480
    Depends on: USB_SUPPORT [=y] && USB_SERIAL [=y]
    Location:
      -> Device Drivers
        -> USB support (USB_SUPPORT [=y])
          -> USB Serial Converter support (USB_SERIAL [=y])