Input core support ---所有的都设置 成模块。
USB support
---Support for USB 设置 成模块
---USB Human Interface Device (full HID) support 设置 成模块
---* HID input layer support (Y)加入内核
---* /dev/hiddev raw HID device support (Y) 加入内核
---X USB HIDBP Keyboard (basic)/Mouse (basic) support 这两个选项 选择(N)
i have used gentoo from last nov. but i do not think the key of gentoo is kernel, i think it is some kind of linux from scratch.
of course, welcome to kernel world