[PATCH 1/2] bsp/sparc: Flush icache before first time enabling interrupts
Sebastian Huber
sebastian.huber at embedded-brains.de
Fri Jul 4 06:44:43 UTC 2014
On 2014-07-03 11:39, Daniel Cederman wrote:
> A secondary processor might miss changes done to the trap table
> if the instruction cache is not flushed. Once interrupts are enabled
> any other required cache flushes can be ordered via the cache
> manager.
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?
--
Sebastian Huber, embedded brains GmbH
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