On Thu, Aug 22, 2013 at 10:06:40AM -0700, Stephen Boyd wrote:
> On most ARM systems the per-cpu clockevents are truly per-cpu in
> the sense that they can't be controlled on any other CPU besides
> the CPU that they interrupt. If one of these clockevents were to
> become a broadcast source we will run into a lot of trouble
> because the broadcast source is enabled on the first CPU to go
> into deep idle (if that CPU suffers from FEAT_C3_STOP) and that
> could be a different CPU than what the clockevent is interrupting
> (or even worse the CPU that the clockevent interrupts could be
> offline).
>
> Theoretically it's possible to support per-cpu clockevents as the
> broadcast source but so far we haven't needed this and supporting
> it is rather complicated. Let's just deny the possibility for now
> until this becomes a reality (let's hope it never does!).
>
> Reported-by: Sören Brinkmann <soren.brinkm...@xilinx.com>
> Signed-off-by: Stephen Boyd <sb...@codeaurora.org>
Has this been merged anywhere?
Thanks,
Sören
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