editing and building ./drivers/pci/iov.c

[Cihangir Aktürk]

On Tue, Jan 28, 2014 at 2:03 AM, Kelly Zytaruk <kzytaruk at sympatico.ca> wrote:
> I am trying to trace a bug I have with some hardware and I am putting
> printk() statements in iov.c
>
>
>
> Every time I make a change to the source file, I am building the entire
> linux kernel, ie 'make' from top directory.
>
> While it is not complex, it is time consuming, it takes several minutes to
> go through all of the dependencies and link all of the modules together.
>
> I spend a lot of time waiting.
>
>
>
> Am I doing this correctly or is there a short cut to do either of the
> following;
>
> 1)      Compile only iov.c to find coding syntax errors
>
> a.       I tried running 'make' in the ./drivers/pci directory but it told
> me that there were no targets.
>
> 2)      Do the final build.
>
> a.       Do I have to build the entire linux kernel or can I somehow
> insert/replace the pci driver into an existing image.
>

Hi Kelly

Something like the following works for me. But i am not sure this is
the proper way to solve your problem.
In the source tree;

$ make drivers/pci/iov.o