Re: [Xen-devel] [PATCH] xen/arm: avoid lost characters with early_printk

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Thu, 2013-05-23 at 15:50 +0100, Julien Grall wrote:
> Introduce the function early_flush to wait until the UART has finished to
> transfer the character.
> When early printk is enabled, it's possible to loose the last characters if:
>     - the UART is initialized by the UART driver
>     - Xen hang
> 
> This is result to a truncated message. To be sure that the message is fully
> transfered by early_printk, add a call to early_flush. This will avoid lost
> characters.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>

Acked + applied, thanks.



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