On Fri, 9 Oct 2009 08:30:28 -0700
Randy Dunlap <rdunlap@xxxxxxxxxxxx> wrote:
> From: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
>
> When CONFIG_CPU_FREQ is disabled, cpufreq_get() needs a stub.
> Used by kvm (although it looks like a bit of the kvm code could
> be omitted when CONFIG_CPU_FREQ is disabled).
>
> arch/x86/built-in.o: In function `kvm_arch_init':
> (.text+0x10de7): undefined reference to `cpufreq_get'
>
> Signed-off-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
> Tested-by: Eric Paris <eparis@xxxxxxxxxx>
> ---
> include/linux/cpufreq.h | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> --- linux-next-20091006.orig/include/linux/cpufreq.h
> +++ linux-next-20091006/include/linux/cpufreq.h
> @@ -291,8 +291,15 @@ struct global_attr {
> int cpufreq_get_policy(struct cpufreq_policy *policy, unsigned int cpu);
> int cpufreq_update_policy(unsigned int cpu);
>
> +#ifdef CONFIG_CPU_FREQ
> /* query the current CPU frequency (in kHz). If zero, cpufreq couldn't detect it */
> unsigned int cpufreq_get(unsigned int cpu);
> +#else
> +static inline unsigned int cpufreq_get(unsigned int cpu)
> +{
> + return 0;
> +}
> +#endif
Thanks. I'll merge this into mainline in the next batch I think. It's
only needed by the KVM development tree but it's the correct thing to
do anyway and having it in minaline will simplify life for everyone.
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