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Re: [Xen-devel] [PATCH for-4.13] xen/arm: Add Skeleton for using configuring early printk using Kconfig

On Fri, Sep 13, 2019 at 11:39:53AM +0100, Julien Grall wrote:
> At the moment, early printk can only be configured on the make command
> line. It is not very handy because a user has to remove the option
> everytime it is using another command other than compiling the
> hypervisor.
> Furthermore, early printk is one of the few odds one that are not using
> Kconfig.
> So this is about time to move it to Kconfig. For now, a skeleton is
> added with one example based on Cadence UART. Follow-up will continue to
> convert all the options to Kconfig.
> Because Kconfig will prefix all the config by CONFIG_, it is necessary
> to adapt the define within the code.
> Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
> ---
> I have sent it as RFC because this is not complete. I will convert the
> rest once we agree the approach is correct.

Having a top-level Kconfig.debug and includes arch specific rules is how
Linux does it (albeit with different directory structure), so I think
we're just following the norm here. No objection from me.


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