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2025 15:27:30 +0000 Message-ID: Date: Wed, 2 Jul 2025 11:27:20 -0400 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 00/12] sched: Address schbench regression To: Peter Zijlstra , mingo@redhat.com, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, vschneid@redhat.com Cc: linux-kernel@vger.kernel.org References: <20250702114924.091581796@infradead.org> From: Chris Mason Content-Language: en-US In-Reply-To: <20250702114924.091581796@infradead.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: BL1PR13CA0076.namprd13.prod.outlook.com (2603:10b6:208:2b8::21) To LV3PR15MB6455.namprd15.prod.outlook.com (2603:10b6:408:1ad::10) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV3PR15MB6455:EE_|IA3PR15MB6559:EE_ 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v=2.4 cv=Avbu3P9P c=1 sm=1 tr=0 ts=68654fe4 cx=c_pps a=RnuTvXxHdiR3w6MmYaEnsw==:117 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=Wb1JkmetP80A:10 a=VwQbUJbxAAAA:8 a=JfrnYn6hAAAA:8 a=ZvIDCRUfadwAn0HhLloA:9 a=QEXdDO2ut3YA:10 a=1CNFftbPRP8L7MoqJWF3:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.7,FMLib:17.12.80.40 definitions=2025-07-02_02,2025-07-02_01,2025-03-28_01 On 7/2/25 7:49 AM, Peter Zijlstra wrote: > Hi! > > Previous version: > > https://lkml.kernel.org/r/20250520094538.086709102@infradead.org > > > Changes: > - keep dl_server_stop(), just remove the 'normal' usage of it (juril) > - have the sched_delayed wake list IPIs do select_task_rq() (vingu) > - fixed lockdep splat (dietmar) > - added a few preperatory patches > > > Patches apply on top of tip/master (which includes the disabling of private futex) > and clm's newidle balance patch (which I'm awaiting vingu's ack on). > > Performance is similar to the last version; as tested on my SPR on v6.15 base: Thanks for working on these! I'm on vacation until July 14th, but I'll give them a shot when I'm back in the office. -chris