CentOS - Jun 2005 - recompile 1 kernel modules

How do I recomile just 1 kernel module. I want to recompile serial/8250.c

I tried typing make in the serial directory but that did not do it?

Thanks,

Jerry
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Am Mo, den 13.06.2005 schrieb Jerry Geis um 20:56:
> How do I recomile just 1 kernel module. I want to recompile
> serial/8250.c
> Jerry
copy&paste from the Fedora Core 4 release notes:

6.2.2.4. Building Only Kernel Modules
An exploded source tree is not required to build a kernel module, such
as your own device driver, against the currently in-use kernel. 

For example, to build the foo.ko module, create the following Makefile
in the directory containing the foo.c file: 

obj-m := foo.o

KDIR  := /lib/modules/$(shell uname -r)/build
PWD   := $(shell pwd)

default:
    $(MAKE) -C $(KDIR) M=$(PWD) modules

Issue the make command to build the foo.ko module.

Alexander


-- 
Alexander Dalloz | Enger, Germany | GPG http://pgp.mit.edu 0xB366A773
legal statement: http://www.uni-x.org/legal.html
Fedora Core 2 GNU/Linux on Athlon with kernel 2.6.11-1.27_FC2smp 
Serendipity 21:11:17 up 20 days, 19:49, load average: 0.58, 0.56, 0.50 
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Sir,

After looking closely the 8250.c is not a module. It is compiled into 
the kernel.
What is the shortes method to compile that file and rebuild what is 
needed to
get it running.

Thanks for your help.

Jerry


Am Mo, den 13.06.2005 schrieb Jerry Geis um 20:56:
>/ How do I recomile just 1 kernel module. I want to recompile
/>/ serial/8250.c
/
>/ Jerry
/
copy&paste from the Fedora Core 4 release notes:

6.2.2.4. Building Only Kernel Modules
An exploded source tree is not required to build a kernel module, such
as your own device driver, against the currently in-use kernel. 

For example, to build the foo.ko module, create the following Makefile
in the directory containing the foo.c file: 

obj-m := foo.o

KDIR  := /lib/modules/$(shell uname -r)/build
PWD   := $(shell pwd)

default:
    $(MAKE) -C $(KDIR) M=$(PWD) modules

Issue the make command to build the foo.ko module.

Alexander