From: Peter Zijlstra <peterz@infradead.org>
To: linux-kernel@vger.kernel.org
Cc: linux-tip-commits@vger.kernel.org,
Ricardo Neri <ricardo.neri-calderon@linux.intel.com>,
"Joel Fernandes (Google)" <joel@joelfernandes.org>,
Len Brown <len.brown@intel.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
x86@kernel.org
Subject: Re: [tip: sched/core] sched/topology: Introduce sched_group::flags
Date: Tue, 23 May 2023 12:59:35 +0200 [thread overview]
Message-ID: <20230523105935.GN83892@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <163344312261.25758.16010066552550079330.tip-bot2@tip-bot2>
On Tue, Oct 05, 2021 at 02:12:02PM -0000, tip-bot2 for Ricardo Neri wrote:
> index 4e8698e..c56faae 100644
> --- a/kernel/sched/topology.c
> +++ b/kernel/sched/topology.c
> @@ -716,8 +716,20 @@ cpu_attach_domain(struct sched_domain *sd, struct root_domain *rd, int cpu)
> tmp = sd;
> sd = sd->parent;
> destroy_sched_domain(tmp);
> - if (sd)
> + if (sd) {
> + struct sched_group *sg = sd->groups;
> +
> + /*
> + * sched groups hold the flags of the child sched
> + * domain for convenience. Clear such flags since
> + * the child is being destroyed.
> + */
> + do {
> + sg->flags = 0;
> + } while (sg != sd->groups);
I happened to be reading this here code and aren't we missing:
sg = sg->next;
somewhere in that loop?
next prev parent reply other threads:[~2023-05-23 11:40 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-11 1:18 [PATCH v5 0/6] sched/fair: Fix load balancing of SMT siblings with ASYM_PACKING Ricardo Neri
2021-09-11 1:18 ` [PATCH v5 1/6] x86/sched: Decrease further the priorities of SMT siblings Ricardo Neri
2021-09-21 7:27 ` [tip: sched/core] " tip-bot2 for Ricardo Neri
2021-10-05 14:12 ` tip-bot2 for Ricardo Neri
2021-09-11 1:18 ` [PATCH v5 2/6] sched/topology: Introduce sched_group::flags Ricardo Neri
2021-09-17 15:26 ` Vincent Guittot
2021-09-21 7:27 ` [tip: sched/core] " tip-bot2 for Ricardo Neri
2021-10-05 14:12 ` tip-bot2 for Ricardo Neri
2023-05-23 10:59 ` Peter Zijlstra [this message]
2023-05-24 13:02 ` Vincent Guittot
2021-09-11 1:18 ` [PATCH v5 3/6] sched/fair: Optimize checking for group_asym_packing Ricardo Neri
2021-09-17 15:26 ` Vincent Guittot
2021-09-21 7:27 ` [tip: sched/core] " tip-bot2 for Ricardo Neri
2021-10-05 14:12 ` tip-bot2 for Ricardo Neri
2021-09-11 1:18 ` [PATCH v5 4/6] sched/fair: Provide update_sg_lb_stats() with sched domain statistics Ricardo Neri
2021-09-17 15:27 ` Vincent Guittot
2021-09-21 7:27 ` [tip: sched/core] " tip-bot2 for Ricardo Neri
2021-10-05 14:12 ` tip-bot2 for Ricardo Neri
2021-09-11 1:18 ` [PATCH v5 5/6] sched/fair: Carve out logic to mark a group for asymmetric packing Ricardo Neri
2021-09-17 15:27 ` Vincent Guittot
2021-09-21 7:27 ` [tip: sched/core] " tip-bot2 for Ricardo Neri
2021-10-05 14:12 ` tip-bot2 for Ricardo Neri
2021-09-11 1:18 ` [PATCH v5 6/6] sched/fair: Consider SMT in ASYM_PACKING load balance Ricardo Neri
2021-09-15 15:43 ` Vincent Guittot
2021-09-17 1:00 ` Ricardo Neri
2021-09-17 7:41 ` Vincent Guittot
2021-09-17 15:25 ` Vincent Guittot
2021-09-17 18:46 ` Peter Zijlstra
2021-09-18 9:33 ` Vincent Guittot
2021-09-21 7:27 ` [tip: sched/core] " tip-bot2 for Ricardo Neri
2021-10-01 9:33 ` [PATCH v5 6/6] " Guillaume Tucker
2021-10-01 9:40 ` Guillaume Tucker
2021-10-01 10:25 ` Vincent Guittot
2021-10-01 17:43 ` Ricardo Neri
2021-10-05 14:12 ` [tip: sched/core] " tip-bot2 for Ricardo Neri
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