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Groups > linux.kernel > #1440686
| From | Will Deacon <will.deacon@arm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2] drivers/perf: arm-pmu: Handle per-interrupt affinity mask |
| Date | 2016-07-11 16:50 +0200 |
| Message-ID | <rTKH1-8jQ-57@gated-at.bofh.it> (permalink) |
| References | <rRW9A-1Wj-13@gated-at.bofh.it> <rTKxk-8gc-23@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Mon, Jul 11, 2016 at 09:37:16AM -0500, Rob Herring wrote: > On Wed, Jul 06, 2016 at 03:33:47PM +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> > > --- > > * From v1: > > - propagate the error if irq_get_percpu_devid_partition fails > > > > Documentation/devicetree/bindings/arm/pmu.txt | 4 +++- > > I acked v1, please add acks. This is queued in arm64/for-next/core, but I spotted your Ack and added it when I sent the patch to Catalin. Will
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Re: [PATCH v2] drivers/perf: arm-pmu: Handle per-interrupt affinity mask Rob Herring <robh@kernel.org> - 2016-07-11 16:40 +0200 Re: [PATCH v2] drivers/perf: arm-pmu: Handle per-interrupt affinity mask Will Deacon <will.deacon@arm.com> - 2016-07-11 16:50 +0200
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