From mboxrd@z Thu Jan 1 00:00:00 1970 From: Will Deacon Subject: Re: [PATCH v2] drivers/perf: arm-pmu: Handle per-interrupt affinity mask Date: Mon, 11 Jul 2016 15:47:06 +0100 Message-ID: <20160711144706.GA27013@arm.com> References: <1467815627-4061-1-git-send-email-marc.zyngier@arm.com> <20160711143716.GA9267@rob-hp-laptop> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20160711143716.GA9267@rob-hp-laptop> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Rob Herring Cc: Marc Zyngier , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Heiko Stuebner , cf-TNX95d0MmH7DzftRWevZcw@public.gmane.org, huangtao-TNX95d0MmH7DzftRWevZcw@public.gmane.org, jay.xu-TNX95d0MmH7DzftRWevZcw@public.gmane.org, Caesar Wang , David Wu , Brian Norris , Mark Rutland List-Id: devicetree@vger.kernel.org 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 > > --- > > * 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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html