Hi Chetan 'CONFIG_KERNEL_STACK_ORDER' is a UML configuration option to set the size of the kernel stack. I believe the default is 2. If 2 the kernel stack is 4 pages. if 3 then it is 8 pages and so on. I think your kenel is not configured for UML. Make sure it has a .config for UML otherwise you can not compile a module for UML on that tree. In your kernel src: make mrproper make ARCH=um xconfig /*or other method to make sure your config is UML*/
David On Sat, Oct 4, 2008 at 10:10 PM, arshad hussain <[EMAIL PROTECTED]>wrote: > On Thu, Oct 2, 2008 at 9:20 PM, Chetan Nanda <[EMAIL PROTECTED]> > wrote: > > > > > > On Tue, Sep 30, 2008 at 11:50 PM, arshad hussain <[EMAIL PROTECTED] > > > > wrote: > >> > >> On Tue, Sep 30, 2008 at 11:12 PM, Chetan Nanda <[EMAIL PROTECTED]> > >> wrote: > >> > Hi All, > >> > > >> > I am trying my hands with User mode Linux. > >> > I am able to configure and kernel 2.6.24 under UML. > >> > > >> > Next It am trying to compile kernel module (so that modules can be > >> > insmod > >> > into running UML). > >> > But not able to compile my kernel module for UML. > >> > >> Hoping you are not missing "ARCH=um" in your "Makefile". > >> You also need the linux source. > > > > My Make file look like this: > > ############## > > CC=gcc > > ARCH=um > > KERNELDIR=/root/Work/linux_src/linux-source-2.6.24 > > ARCHDIR=$(KERNELDIR)/arch/um > > TTDIR=$(ARCHDIR)/kernel/tt > > SKASDIR=$(ARCHDIR)/kernel/skas > > CFLAGS= -DDEBUG -D__KERNEL__ -DMODULE -I$(KERNELDIR)/include > > -I$(ARCHDIR)/include -I$(TTDIR)/include -I$(SKASDIR)/include -Wall > -Wunused > > -Wuninitialized -g -O > > ALL = hello_1.o > > > > all: $(ALL) > > ################ > > > > But on compiling module using 'make' make command gives me following > error: > > from hello_1.c:7: > > /root/Work/linux_src/linux-source-2.6.24/include/asm/thread_info.h: In > > function 'current_thread_info': > > /root/Work/linux_src/linux-source-2.6.24/include/asm/thread_info.h:50: > > error: 'CONFIG_KERNEL_STACK_ORDER' undeclared (first use in this > function) > > /root/Work/linux_src/linux-source-2.6.24/include/asm/thread_info.h:50: > > error: (Each undeclared identifier is reported only once > > /root/Work/linux_src/linux-source-2.6.24/include/asm/thread_info.h:50: > > error: for each function it appears in.) > > > > Do I still missing something ? > > In case you have not got answers from > [EMAIL PROTECTED] > Try this... I use Makefile different from yours. Copied the simplest > when i first started > and stuck with it's style. > > /* Sample make file , assuming your driver code is > named driver.c */ > obj-m += driver.o > all: > make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules > ARCH=um > clean: > make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean ARCH=um > /* end sample make file */ > > See to it that "/lib/modules/$(shell uname -r)/build" points to the > kernel source. > > [EMAIL PROTECTED]@localhost dd]# ls -l /lib/modules/$(uname -r)/build > lrwxrwxrwx 1 root root 35 Dec 20 2007 /lib/modules/2.6.23.11/build -> > ../../../umlkernel/linux-2.6.23.11/ > [EMAIL PROTECTED]@localhost dd]# > > My huch is there is something with your makefile, do we still need to > pass-D_KERNEL_ (etc) > in 2.6. This was done with 2.4. > > Hope this help you in narrowing down the problem. > > > > > Thanks, > > Chetan Nanda > > > >> > >> > >> > >> > > >> > Please point me into right direction. > >> > > >> > Thanks, > >> > Chetan Nanda > >> > > >> > > > > > > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's > challenge > Build the coolest Linux based applications with Moblin SDK & win great > prizes > Grand prize is a trip for two to an Open Source event anywhere in the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > _______________________________________________ > User-mode-linux-user mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user >
