Rebuild a changed kernel quickly with make?

[Valdis.Kletnieks at vt.edu]

On Tue, 09 Jul 2013 13:16:53 +0530, Srinivas Ganji said:

> You can pass the name of the target to the make for building only the
> specified files and objects. Suppose, if I changed some modifications in
> storage files, then I need to do make as shown below, from the top level
> directory i.e. /usr/src/<linux-kernel>/
>
> make M=drivers/usb/storage
>
> I hope this helps to you. I got the same problem earlier and I fixed like
> this.

This is good for testing, but do *not* bet on this producing a working kernel.
It's possible to build a module that doesn't match the rest of
your kernel, resulting in hard-to-debug oopses.
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