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Tue, 30 Dec 2025 04:56:35 -0800 (PST) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable From: Donald Hunter Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 (1.0) Subject: Re: [PATCH for 6.19 0/4] Revise the EM YNL spec to be clearer Date: Tue, 30 Dec 2025 12:56:25 +0000 Message-Id: References: <849b576e-9563-42ae-bd5c-756fb6dfd8de@arm.com> Cc: Changwoo Min , kernel-dev@igalia.com, linux-pm@vger.kernel.org, horms@kernel.org, pabeni@redhat.com, rafael@kernel.org, netdev@vger.kernel.org, edumazet@google.com, davem@davemloft.net, sched-ext@lists.linux.dev, linux-kernel@vger.kernel.org, lenb@kernel.org, pavel@kernel.org, kuba@kernel.org In-Reply-To: <849b576e-9563-42ae-bd5c-756fb6dfd8de@arm.com> To: Lukasz Luba X-Mailer: iPhone Mail (23D5089e) > On 30 Dec 2025, at 09:44, Lukasz Luba wrote: >=20 > =EF=BB=BFHi Changwoo, >=20 >> On 12/25/25 04:01, Changwoo Min wrote: >> This patch set addresses all the concerns raised at [1] to make the EM YN= L spec >> clearer. It includes the following changes: >> - Fix the lint errors (1/4). >> - Rename em.yaml to dev-energymodel.yaml (2/4). =E2=80=9Cdev-energymodel= =E2=80=9D was used >> instead of =E2=80=9Cdevice-energy-model=E2=80=9D, which was originally p= roposed [2], because >> the netlink protocol name cannot exceed GENL_NAMSIZ(16). In addition, d= ocs >> strings and flags attributes were added. >> - Change cpus' type from string to u64 array of CPU ids (3/4). >> - Add dump to get-perf-domains in the EM YNL spec (4/4). A user can fetch= >> either information about a specific performance domain with do or infor= mation >> about all performance domains with dump. >> This can be tested using the tool, tools/net/ynl/pyynl/cli.py, for exampl= e, >> with the following commands: >> $> tools/net/ynl/pyynl/cli.py \ >> --spec Documentation/netlink/specs/dev-energymodel.yaml \ >> --dump get-perf-domains >> $> tools/net/ynl/pyynl/cli.py \ >> --spec Documentation/netlink/specs/dev-energymodel.yaml \ >> --do get-perf-domains --json '{"perf-domain-id": 0}' >> $> tools/net/ynl/pyynl/cli.py \ >> --spec Documentation/netlink/specs/dev-energymodel.yaml \ >> --do get-perf-table --json '{"perf-domain-id": 0}' >> $> tools/net/ynl/pyynl/cli.py \ >> --spec Documentation/netlink/specs/dev-energymodel.yaml \ >> --subscribe event --sleep 10 >> [1] https://lore.kernel.org/lkml/CAD4GDZy-aeWsiY=3D-ATr+Y4PzhMX71DFd_mmdM= k4rxn3YG8U5GA@mail.gmail.com/ >> [2] https://lore.kernel.org/lkml/CAJZ5v0gpYQwC=3D1piaX-PNoyeoYJ7uw=3DDtAG= dTVEXAsi4bnSdbA@mail.gmail.com/ >=20 > My apologies, I've missed those conversations (not the best season). >=20 > So what would be the procedure here for the review? > Could Folks from netlink help here? I will review, hopefully later today.=20 What hardware can it be tested on? > I will do my bit for the EM related stuff (to double-check them). >=20 > Regards, > Lukasz