Messages in this thread | | | Date | Tue, 5 Jul 2016 09:23:50 -0500 | From | Rob Herring <> | Subject | Re: [PATCH] drivers/perf: arm-pmu: Handle per-interrupt affinity mask |
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On Fri, Jul 01, 2016 at 02:21:31PM +0100, Marc Zyngier wrote: > On a big-little system, PMUs can be wired to CPUs using per CPU > interrups (PPI). In this case, it is important to make sure that > the enable/disable do happen on the right set of CPUs. > > So instead of relying on the interrupt-affinity property, we can > use the actual percpu affinity that DT exposes as part of the > interrupt specifier. The DT binding is also updated to reflect > the fact that the interrupt-affinity property shouldn't be used > in that case. > > Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> > --- > Documentation/devicetree/bindings/arm/pmu.txt | 4 +++-
Acked-by: Rob Herring <robh@kernel.org>
> drivers/perf/arm_pmu.c | 22 +++++++++++++++++----- > 2 files changed, 20 insertions(+), 6 deletions(-)
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