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Thu, 4 Jun 2026 13:07:49 +0000 (GMT) Message-ID: Date: Thu, 4 Jun 2026 18:37:48 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 08/20] sched/fair: load balance only among preferred CPUs To: K Prateek Nayak , linux-kernel@vger.kernel.org, mingo@kernel.org, peterz@infradead.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, yury.norov@gmail.com, iii@linux.ibm.com Cc: tglx@kernel.org, gregkh@linuxfoundation.org, pbonzini@redhat.com, seanjc@google.com, vschneid@redhat.com, huschle@linux.ibm.com, rostedt@goodmis.org, dietmar.eggemann@arm.com, mgorman@suse.de, bsegall@google.com, maddy@linux.ibm.com, srikar@linux.ibm.com, hdanton@sina.com, chleroy@kernel.org, vineeth@bitbyteword.org, frederic@kernel.org, arighi@nvidia.com, pauld@redhat.com, christian.loehle@arm.com, tj@kernel.org, tommaso.cucinotta@gmail.com, maz@kernel.org, rafael@kernel.org References: <20260514152204.481115-1-sshegde@linux.ibm.com> <20260514152204.481115-9-sshegde@linux.ibm.com> <0aa0d84c-9d0e-4ca1-9a9c-6370976a0974@amd.com> <8281bd2a-31a1-4e18-aea2-830777a454a6@linux.ibm.com> Content-Language: en-US From: Shrikanth Hegde In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-GUID: FHCoiDnMZYo_izoAPgXeYVlj1J8s9ZR8 X-Authority-Analysis: v=2.4 cv=fv/sol4f c=1 sm=1 tr=0 ts=6a2178b1 cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=BLZhHFdn0y6f83aE4mIA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjA0MDEyOCBTYWx0ZWRfXz0RhmHxgh9Q+ wRrdDX/9/3+mfbZfD0AnmTuynJVLLY4yRASBbrxcUXQBQRmC44ucq8VP7bYMpOzuaerlRJ8bghC rDWjX2R4XH3N3fBcsyE88VdvvvL8VVGiSKE4WMBzWiZQyD2snP1fMKL7Oyae1h2EIrDgZshc7cj wnVhFh5GbiedsWuW+BPmEIRn4G0dCAvsFm3twZ7DS81g+EiJlC3CZ8NlZpq5J2/7X/g1byQ23n8 9CXvFjSUZz6KyZ7xwerkOkP1Blt2umHi50nFle1e63Apunlc8vIKpJ+eRAQKuktZt5OeL5b3Mh0 W2uQh7incCZJsf6+7NFGU71Bsc6S54ZrtICYlzzltCSRKYQJsDdyUu9KmhU0o/xYB/+GjCmzEZr Yh3wtoBpzXsVNJbTJBRShIGSakUjkJZf1ePmZE6BkdhWv183uPtcIGLBhRzn+Ci0G5ahip0LmZF HB6WM12QY1a651M/rdQ== X-Proofpoint-ORIG-GUID: qCMSMCqJwoIqYi9b9tfKChx9YkX4GCKV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-04_04,2026-05-28_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 priorityscore=1501 spamscore=0 phishscore=0 clxscore=1015 impostorscore=0 suspectscore=0 bulkscore=0 lowpriorityscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2606040128 Hi Prateek. On 6/4/26 11:39 AM, K Prateek Nayak wrote: > Hello Shrikanth, > > ... just moving set_cpu_preferred() into sched_cpu_activate() and > sched_cpu_deactivate() instead of doing it at set_cpu_online(). > Ah ok. Will move it there. I think this should be ok.