[PATCH 1/2] bsp/sparc: Flush icache before first time enabling interrupts

Sebastian Huber sebastian.huber at embedded-brains.de
Fri Jul 4 11:06:47 UTC 2014

On 2014-07-04 11:56, Daniel Cederman wrote:
>  > I think it is a general bug if you change the trap responsible for the
>  > IPI after the start request of the secondary processors.  At which point
>  > does this problem happen currently?
> The trap responsible for IPIs is only set before the secondary processors are
> started and is not changed after that, so that is no problem. But other traps
> are set after the secondary processors are started, but before we can send
> IPIs. These changes might be missed.

We are able to send IPIs, but we may not be able to wait for them to get serviced.

Sebastian Huber, embedded brains GmbH

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