Re: [PATCH 0/2] genirq: arm64: perf: support for percpu pmu interrupt

[Stephen Boyd]

On 11/06/13 04:07, Vinayak Kale wrote:
> This patch series adds support to handle interrupt registration/deregistration
> in arm64 pmu driver when pmu interrupt type is percpu.
>
> Patches in this patch series were previously sent out as separate patches [1].
> This patch series incorporates comments/fixes suggested for original patches.
>
> [1] 
> http://lists.infradead.org/pipermail/linux-arm-kernel/2013-October/205888.html
> http://lists.infradead.org/pipermail/linux-arm-kernel/2013-October/204414.html 
>
> Vinayak Kale (2):
>   genirq: error reporting in request_percpu_irq() and
>     request_threaded_irq()
>   arm64: perf: add support for percpu pmu interrupt
>
>  arch/arm64/kernel/perf_event.c |  109 +++++++++++++++++++++++++++++-----------
>  kernel/irq/manage.c            |   12 +++--
>  2 files changed, 89 insertions(+), 32 deletions(-)
>

What ever happened to the approach here[1]? It doesn't look very nice to
have to request the irq first as a per-cpu interrupt and then try as a
non-percpu interrupt when genirq already knows if its per-cpu or not.

[1] http://lkml.indiana.edu/hypermail/linux/kernel/1207.3/02955.html

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