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Sat, 25 Jul 2026 01:53:10 +0000 (GMT) Received: from [9.124.223.44] (unknown [9.124.223.44]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Sat, 25 Jul 2026 01:53:10 +0000 (GMT) Message-ID: <0e1623c7-029f-403b-a560-71931f84f03d@linux.ibm.com> Date: Sat, 25 Jul 2026 07:23:09 +0530 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v9 00/11] sched, steal_governor: Introduce preferred CPUs and steal-driven vCPU backoff To: Yury Norov Cc: linux-kernel@vger.kernel.org, mingo@kernel.org, peterz@infradead.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, yury.norov@gmail.com, kprateek.nayak@amd.com, iii@linux.ibm.com, corbet@lwn.net, 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, 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, rdunlap@infradead.org, kernellwp@gmail.com, linux-doc@vger.kernel.org, jgross@suse.com, virtualization@lists.linux.dev References: <20260724140732.2683314-1-sshegde@linux.ibm.com> From: Shrikanth Hegde Content-Language: en-US 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-Spam-Info: AW1haW4tMjYwNzI1MDAxMyBTYWx0ZWRfX5BtfegC9/mi9 7NvbvUW5D/qfTPeJ26L1J7x1/x5p8umSnA3kVXXOQ46JY80Mnx+bRW6UpMGNXzcqkk7yUxnqBh0 0wOOWw0vfAYadnhGsArqBVYrfLozKtw= X-Proofpoint-ORIG-GUID: kjUpSjjXsJehKW8SJ2sGoqvZJ2riAPnU X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzI1MDAxMyBTYWx0ZWRfXzeL3I96Dl+sU JJbeE7btdtLPmGf0Lfi4ELC+Y3bzUdrl7xCALvrZbN5a1H06eW1WQlJ3h7cwrH9iK0Vv0PHNDx/ u9N/A9I0HCSSo9PPimK0ObCjMlnlN4pE4uZt3Q4ouQ9cq8kOgxyd5h1uLBEW645aBYytl0hSd3f NcMs2rZYG51+8l7ck4wBBty34T+SeHYJ3qmdS09WEs2NNE/++KLuu7pAOKEI02tWyNgKByFZ+0i uOWV+14qa3m/h01Uj76vZ+N+zy/Q8JkQPs8NUVpwXnFYwG2X2L04JJrGmvBNqzlBKC69NDFMzmZ NLPJ0a3b9HDxQt9i1vAJiLzhjGyR9MmRr7Xd68AF5q9U6hPC3OtwEGLPjHPBgTn9p46KT9NVPL+ fq6DtLQjoDnCDQ3p0uZT3pfXA/KAZIzsnt3cHrpcdpUnkgp4G1t1qAhTTHV1ZHwpb9Ba9tWVs91 kc2QUaELtl30Bulhd9A== X-Proofpoint-GUID: D-3n4mnG1o6q0h1H4wTRd1oSRPWY9Ms0 X-Authority-Analysis: v=2.4 cv=TLp1jVla c=1 sm=1 tr=0 ts=6a641715 cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=wOctuUhgRehkhcMBElYA:9 a=QEXdDO2ut3YA:10 a=zZCYzV9kfG8A:10 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-25_01,2026-07-24_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 bulkscore=0 suspectscore=0 adultscore=0 spamscore=0 phishscore=0 clxscore=1015 priorityscore=1501 impostorscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607250013 Hi Yury, Thanks again for reviewing the code and going through the patches. On 7/25/26 3:37 AM, Yury Norov wrote: > On Fri, Jul 24, 2026 at 07:37:21PM +0530, Shrikanth Hegde wrote: >> If you have already read v8 cover-letter then see only v8->v9, >> everything else is same. :) > > No, you submitted v9 in just a couple days after v8. Please allow your > reviewers more time to read and review the code. Agree. The only reason i expedited the code was that i was losing access to the system i was running performance of real life workload scenarios. It will take a few weeks to get new one, so i sent it out early. > > Some comments are equally applicable to v8, but because you've already > sent this v9, I put them here. >