Re: [patch 02/34] arch: Consolidate tsk_is_polling()

[Tony Breeds]

On Thu, Mar 21, 2013 at 09:52:57PM -0000, Thomas Gleixner wrote:
 
> +/*
> + * Idle thread specific functions to determine the need_resched
> + * polling state. We have two versions, one based on TS_POLLING in
> + * thread_info.status and one based on TIF_POLLING_NRFLAG in
> + * thread_info.flags
> + */
> +#ifdef TS_POLLING
> +static inline int tsk_is_polling(struct task_struct *p)
> +{
> +	return task_thread_info(p)->status & TS_POLLING;
> +}
> +#elif defined(TIF_POLLING_NRFLAG)
> +static inline int tsk_is_polling(struct task_struct *p)
> +{
> +	test_tsk_thread_flag(p, TIF_POLLING_NRFLAG);
> +}

On powerpc (at least) this is used before it's declared.  Also I think
you're missing a 'return' in that function.

*cough* https://www.kernel.org/pub/tools/crosstool/ *cough*

Yours Tony

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