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Re: [Xen-devel] [RFC 24/29] xen/arm: Don't use pl011 UART by default for early printk

On Tue, 2013-04-30 at 12:21 +0100, Julien Grall wrote:
> Missing Xen devel mailing list.

Ignore my private reply, I've inserted it below...

>         Thanks. Even if we gate CONFIG_EARLY_PRINTK to debug=y, we
>         should let the developper the option to disable/enable early
>         printk. Otherwise we will lost debug when Xen can boot on
>         multiple board.

I'm not sure I follow, these are both valid
        debug=y CONFIG_EARLY_PRINTK=pl011
        debug=y /* No early printk */
In the latter case you have debug on a system which can boot on multiple

Or are you concerned about not being able to build a production
(non-debug) hypervisor with early-printk? i.e.
        debug=n CONFIG_EARLY_PRINTK=pl011

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