What is Kernel Parameters?

There are three ways to pass options/arguments to the kernel and control its behavors:

  • When building the kernel, in the file .config via kconfig
  • When starting the kernel. It is invoked from a boot file such as GRUB or LILO configuration.
  • At runtime, by writing to files in the /proc and /sys directories.

疑问

  • 为什么启用 pic=nomsi 会导致网络失去链接?

其他

I/O Schedular Tuning

PCI subsystems