Re: [patch] CFS scheduler, -v17

[Miguel Botón <mboton@gmail.com>]

On Friday 15 June 2007 18:28, Luiz Fernando N. Capitulino wrote:
>  Hmm, I'm getting this while compiling:
>
> """
>   LD      .tmp_vmlinux1
> kernel/built-in.o: In function `rq_clock':
> /home/lcapitulino/src/kernels/upstream/linux-2.6-cfs/kernel/sched.c:321:
> undefined reference to `cpu_of'
> /home/lcapitulino/src/kernels/upstream/linux-2.6-cfs/kernel/sched.c:321:
> undefined reference to `cpu_of'
> /home/lcapitulino/src/kernels/upstream/linux-2.6-cfs/kernel/sched.c:321:
> undefined reference to `cpu_of'
> /home/lcapitulino/src/kernels/upstream/linux-2.6-cfs/kernel/sched.c:321:
> undefined reference to `cpu_of'
> /home/lcapitulino/src/kernels/upstream/linux-2.6-cfs/kernel/sched.c:321:
> undefined reference to `cpu_of'
> kernel/built-in.o:/home/lcapitulino/src/kernels/upstream/linux-2.6-cfs/kern
>el/sched.c:321: more undefined references to `cpu_of' follow make: ***
> [.tmp_vmlinux1] Error 1
> """
>
>  The code in question is really strange:
>
> #ifdef CONFIG_SMP
> ...
> static inline int cpu_of(struct rq *rq)
> #ifdef CONFIG_SMP
> 	return rq->cpu;
> #else
> 	return 0;
> #endif
> }
> ...
> #endif

I patched kernel 2.6.21.5 with CFS v17 and I didn't experience this problem (I 
checked that piece of code and I didn't see something wrong).
Looks like it only appears in kernel 2.6.22-rc4.

-- 
	Miguel Botón
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