Re: [PATCH 1/2] x86: allow module driver to register idle notifier

From: Len Brown
Date: Mon Oct 20 2008 - 21:58:13 EST


Ingo,
How shall we proceed?
If you take this patch, we can ship a modular i7300_idle driver.
If you do not take this patch, then we'll need to build it into
the kernel and not allow it to un-register.

thanks,
-Len

On Thu, 16 Oct 2008, Len Brown wrote:

> From: Venkatesh Pallipadi <venkatesh.pallipadi@xxxxxxxxx>
>
> needed if the i7300_idle driver is to be a module.
>
> Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@xxxxxxxxx>
> Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
> ---
> arch/x86/kernel/process_64.c | 7 +++++++
> 1 files changed, 7 insertions(+), 0 deletions(-)
>
> diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
> index e12e0e4..3e3d503 100644
> --- a/arch/x86/kernel/process_64.c
> +++ b/arch/x86/kernel/process_64.c
> @@ -62,6 +62,13 @@ void idle_notifier_register(struct notifier_block *n)
> {
> atomic_notifier_chain_register(&idle_notifier, n);
> }
> +EXPORT_SYMBOL_GPL(idle_notifier_register);
> +
> +void idle_notifier_unregister(struct notifier_block *n)
> +{
> + atomic_notifier_chain_unregister(&idle_notifier, n);
> +}
> +EXPORT_SYMBOL_GPL(idle_notifier_unregister);
>
> void enter_idle(void)
> {
> --
> 1.6.0.2.532.g84ed4c
>
>
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