From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sudeep Holla Subject: Re: [RFT PATCH v1 1/4] Documentation: DT: arm: add support for sockets defining package boundaries Date: Mon, 3 Dec 2018 16:46:43 +0000 Message-ID: <20181203164643.GA17883@e107155-lin> References: <1543534100-3654-1-git-send-email-atish.patra@wdc.com> <1543534100-3654-2-git-send-email-atish.patra@wdc.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1543534100-3654-2-git-send-email-atish.patra@wdc.com> Sender: linux-kernel-owner@vger.kernel.org To: Atish Patra Cc: linux-kernel@vger.kernel.org, Albert Ou , Anup Patel , Ard Biesheuvel , Catalin Marinas , devicetree@vger.kernel.org, Dmitriy Cherkasov , Greg Kroah-Hartman , Ingo Molnar , Jeremy Linton , Juri Lelli , "moderated list:ARM64 PORT (AARCH64 ARCHITECTURE)" , linux-riscv@lists.infradead.org, Mark Rutland , Morten Rasmussen , Palmer Dabbelt , "Peter Zijlstra (Intel)" , "Rafael J. Wysocki" , Rob List-Id: devicetree@vger.kernel.org On Thu, Nov 29, 2018 at 03:28:17PM -0800, Atish Patra wrote: > From: Sudeep Holla > > The current ARM DT topology description provides the operating system > with a topological view of the system that is based on leaf nodes > representing either cores or threads (in an SMT system) and a > hierarchical set of cluster nodes that creates a hierarchical topology > view of how those cores and threads are grouped. > > However this hierarchical representation of clusters does not allow to > describe what topology level actually represents the physical package or > the socket boundary, which is a key piece of information to be used by > an operating system to optimize resource allocation and scheduling. > > Lets add a new "socket" node type in the cpu-map node to describe the > same. > > Signed-off-by: Sudeep Holla Thanks for picking this up and putting it as part of your unification work. I will try to test the series and review it soon. -- Regards, Sudeep