From: K Prateek Nayak <kprateek.nayak@amd.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Vincent Guittot <vincent.guittot@linaro.org>,
Doug Smythies <dsmythies@telus.net>, <mingo@kernel.org>,
<juri.lelli@redhat.com>, <dietmar.eggemann@arm.com>,
<rostedt@goodmis.org>, <bsegall@google.com>, <mgorman@suse.de>,
<vschneid@redhat.com>, <linux-kernel@vger.kernel.org>,
<wangtao554@huawei.com>, <quzicheng@huawei.com>,
<wuyun.abel@bytedance.com>
Subject: Re: [PATCH 0/4] sched: Various reweight_entity() fixes
Date: Fri, 13 Feb 2026 19:59:43 +0530 [thread overview]
Message-ID: <00732f69-0bb4-460e-8561-8e8e3a099be7@amd.com> (raw)
In-Reply-To: <20260213105020.GB3031506@noisy.programming.kicks-ass.net>
On 2/13/2026 4:20 PM, Peter Zijlstra wrote:
> On Fri, Feb 13, 2026 at 07:44:24AM +0100, Peter Zijlstra wrote:
>> As to wrapper, I just went through math64.h and it appears we have
>> div64_long() that might just DTRT, but I really need to go wake up
>> first.
>>
>> And as you noted, the current branch doesn't boot :/ No idea what I
>> messed up last night, but I did push without test building. I only
>> folded those two division fixed and figured what could possibly go wrong
>> :-)
>
> It's now got div64_long() throughout.
>
> I've build and booted each commit in a vm; build and booted the combined
> stack on 2 different physical machines and re-ran the various
> benchmarks.
>
> Works-for-me.
Booted fine on this side as well. Will take it for a spin with the usual
set of tests and report back with the results.
--
Thanks and Regards,
Prateek
next prev parent reply other threads:[~2026-02-13 14:29 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-30 9:34 Peter Zijlstra
2026-01-30 9:34 ` [PATCH 1/4] sched/fair: Only set slice protection at pick time Peter Zijlstra
2026-01-30 15:52 ` Vincent Guittot
2026-01-30 9:34 ` [PATCH 2/4] sched/eevdf: Update se->vprot in reweight_entity() Peter Zijlstra
2026-01-30 16:20 ` Vincent Guittot
2026-01-30 9:34 ` [PATCH 3/4] sched/fair: Increase weight bits for avg_vruntime Peter Zijlstra
2026-01-30 9:34 ` [PATCH 4/4] sched/fair: Revert 6d71a9c61604 ("sched/fair: Fix EEVDF entity placement bug causing scheduling lag") Peter Zijlstra
2026-01-31 1:47 ` Zhang Qiao
2026-01-31 15:21 ` Peter Zijlstra
2026-02-02 9:12 ` Peter Zijlstra
2026-02-02 9:24 ` Peter Zijlstra
2026-02-02 11:23 ` Zhang Qiao
2026-02-01 17:13 ` [PATCH 0/4] sched: Various reweight_entity() fixes Doug Smythies
2026-02-03 6:45 ` K Prateek Nayak
2026-02-03 11:11 ` Peter Zijlstra
2026-02-03 12:19 ` K Prateek Nayak
2026-02-03 16:36 ` Doug Smythies
2026-02-10 18:13 ` Peter Zijlstra
2026-02-11 5:51 ` Doug Smythies
2026-02-04 10:15 ` K Prateek Nayak
2026-02-09 15:47 ` Peter Zijlstra
2026-02-09 16:52 ` K Prateek Nayak
2026-02-10 5:16 ` K Prateek Nayak
2026-02-10 10:29 ` Peter Zijlstra
2026-02-10 15:41 ` Doug Smythies
2026-02-10 18:09 ` K Prateek Nayak
2026-02-10 18:35 ` Peter Zijlstra
2026-02-10 20:04 ` K Prateek Nayak
2026-02-11 6:28 ` K Prateek Nayak
2026-02-11 8:50 ` K Prateek Nayak
2026-02-11 23:09 ` Doug Smythies
2026-02-10 18:52 ` Peter Zijlstra
2026-02-10 20:52 ` Vincent Guittot
2026-02-11 5:21 ` Doug Smythies
2026-02-11 8:49 ` Vincent Guittot
2026-02-11 9:01 ` Peter Zijlstra
2026-02-11 10:48 ` Peter Zijlstra
2026-02-11 10:49 ` Peter Zijlstra
2026-02-11 11:15 ` Vincent Guittot
2026-02-11 16:28 ` Peter Zijlstra
2026-02-12 7:43 ` K Prateek Nayak
2026-02-12 11:59 ` Peter Zijlstra
2026-02-12 17:16 ` Peter Zijlstra
2026-02-12 17:24 ` Vincent Guittot
2026-02-12 19:31 ` Peter Zijlstra
2026-02-13 5:22 ` K Prateek Nayak
2026-02-13 6:44 ` Peter Zijlstra
2026-02-13 10:50 ` Peter Zijlstra
2026-02-13 14:29 ` K Prateek Nayak [this message]
2026-02-14 6:31 ` Doug Smythies
2026-02-21 22:51 ` Doug Smythies
2026-02-12 19:29 ` Peter Zijlstra
2026-02-12 19:37 ` Doug Smythies
2026-02-13 6:04 ` K Prateek Nayak
2026-02-11 16:21 ` Peter Zijlstra
2026-02-12 5:54 ` Doug Smythies
2026-02-12 7:51 ` Peter Zijlstra
2026-02-12 15:47 ` Doug Smythies
2026-02-12 7:46 ` Peter Zijlstra
2026-02-11 23:25 ` Doug Smythies
2026-02-11 8:48 ` Peter Zijlstra
2026-02-04 10:44 ` Peter Zijlstra
2026-02-14 7:20 ` Shubhang Kaushik
2026-02-16 3:14 ` K Prateek Nayak
2026-02-16 10:59 ` Dietmar Eggemann
2026-02-17 14:37 ` Dietmar Eggemann
2026-02-17 22:02 ` Shubhang Kaushik
2026-02-17 4:20 ` K Prateek Nayak
2026-02-18 18:37 ` Shubhang Kaushik
2026-02-19 7:53 ` Peter Zijlstra
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