[PATCH 7/16] hypervisor console for Celleb

Ishizaki Kou kou.ishizaki at toshiba.co.jp
Fri Nov 17 21:07:19 EST 2006


Hi Arnd-san,

> On Wednesday 15 November 2006 10:41, Ishizaki Kou wrote:
> > This patch adds hypervisor console driver for Celleb platform.
> > 
> Nice small driver. Still, I'd like to know why there is no support
> for interrupts to notify the kernel of incoming characters. This seems
> to have the same (mis-)design as the IBM blade with the rtas console
> that uses no interrupts.

This is caused because the design goal of "console" I/O for Beat is
for debugging Guest OSes that cannot handle interrupts. Adding to that,
the "console" I/O for Beat is deeply inspired by pSeries's one.

Thank you,
Kou Ishizaki
Toshiba



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