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From: Valentin Schneider <valentin.schneider@arm.com>
To: Peng Liu <iwtbavbm@gmail.com>
Cc: mingo@redhat.com, peterz@infradead.org, juri.lelli@redhat.com,
	vincent.guittot@linaro.org, dietmar.eggemann@arm.com,
	rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] sched: correct SD_flags returned by tl->sd_flags()
Date: Wed, 10 Jun 2020 11:03:14 +0100
Message-ID: <jhjv9jz2q71.mognet@arm.com> (raw)
In-Reply-To: <20200609150936.GA13060@iZj6chx1xj0e0buvshuecpZ>


On 09/06/20 16:09, Peng Liu wrote:
> During sched domain init, we check whether non-topological SD_flags are
> returned by tl->sd_flags(), if found, fire a waning and correct the
                                               ^^^^^^
                                            s/waning/warning/

> violation, but the code failed to correct the violation. Correct this.
>
> Fixes: 143e1e28cb40 ("sched: Rework sched_domain topology definition")
> Signed-off-by: Peng Liu <iwtbavbm@gmail.com>

Reviewed-by: Valentin Schneider <valentin.schneider@arm.com>

> ---
>  kernel/sched/topology.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
> index ba81187bb7af..9079d865a935 100644
> --- a/kernel/sched/topology.c
> +++ b/kernel/sched/topology.c
> @@ -1328,7 +1328,7 @@ sd_init(struct sched_domain_topology_level *tl,
>               sd_flags = (*tl->sd_flags)();
>       if (WARN_ONCE(sd_flags & ~TOPOLOGY_SD_FLAGS,
>                       "wrong sd_flags in topology description\n"))
> -		sd_flags &= ~TOPOLOGY_SD_FLAGS;
> +		sd_flags &= TOPOLOGY_SD_FLAGS;
>
>       /* Apply detected topology flags */
>       sd_flags |= dflags;

  parent reply index

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-09 15:09 Peng Liu
2020-06-09 15:43 ` Vincent Guittot
2020-06-10 10:03 ` Valentin Schneider [this message]
2020-06-16 12:21 ` [tip: sched/core] " tip-bot2 for Peng Liu

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