Re: RT patched kernel debugging

venkata jagadish.p
2005-11-17T04:06:40Z

john cooper wrote:

> venkata jagadish.p wrote:
>
>> Hi all,
>> I am trying to debug the RT patched kernel with UML. But it is
>> showing these errors
>> My kernel version is 2.6.13 and applied patch-2.6.13-rt14 to this kernel
>>
>>
>> gcc -Wall -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing
>> -fno-common -ffreestanding -O2 -fno-omit-frame-pointer
>> -fno-optimize-sibling-calls -g -D__arch_um__ -DSUBARCH=\"i386\"
>> -Iarch/um/include -I/usr/src/linux-2.6.13/arch/um/kernel/tt/include
>> -I/usr/src/linux-2.6.13/arch/um/kernel/skas/include
>> -Dvmap=kernel_vmap -Derrno=kernel_errno
>> -Dsigprocmask=kernel_sigprocmask -fno-unit-at-a-time -U__i386__
>> -Ui386 -D_LARGEFILE64_SOURCE -Wdeclaration-after-statement
>> -Wno-pointer-sign -nostdinc -isystem
>> /usr/lib/gcc/i386-redhat-linux/4.0.0/include -D__KERNEL__ -Iinclude
>> -S -o arch/um/kernel-offsets.s arch/um/sys-i386/kernel-offsets.c
>> In file included from arch/um/sys-i386/kernel-offsets.c:3:
>> include/linux/sched.h: In function ‘set_tsk_need_resched_delayed’:
>> include/linux/sched.h:1465: error: ‘TIF_NEED_RESCHED_DELAYED’
>> undeclared (first use in this function)
>
>
> That's odd. Did the patch apply cleanly?
> TIF_NEED_RESCHED_DELAYED should be defined in
> include/asm-i386/thread_info.h for an i386
> target.
>
>
Patch was applied properly, for an i386 target it was compiled with out
any errors, and it is working properly.
When i try to complile the rt patch applied kernel
i didnot found TIF_NEED_RESCHED_DELAYED in include/asm-um/thread_info.h
Is there any separate patch required for debugging rtpatched kernel with
UML.

regards,
Venka ta jagadish.p