Re: [Xen-devel] [PATCH 3/4] xen: set the right flags when enabling interrupts for 8250

[Julien Grall <julien.grall@xxxxxxxxxx>]

On 07/25/2013 10:14 AM, Chen Baozi wrote:

> Besides this test, I noticed that we set a timer to poll UART after enabling
> the interrupt. And the timer initialization codes are platform specific, which
> should be implemented in xen/arch/arm/platforms/omap5.c for example. However,
> I haven't done this yet. (I used to plan to turn to this work after UART 
> porting
> has been done.) Is it a possible factor that may cause my issues?

Xen uses the arch timers to handle the time. On some platform (for
instance the Arndale), it's not enabled by default.

If the omap5 boot with the arch timers enabled, you don't need to
implement the init_time callback.

Do you know if Xen receives timer interrupts?

-- 
Julien

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