From: Peter Zijlstra <peterz@infradead.org>
To: Yuyang Du <yuyang.du@intel.com>
Cc: mingo@kernel.org, linux-kernel@vger.kernel.org,
umgwanakikbuti@gmail.com, bsegall@google.com, pjt@google.com,
morten.rasmussen@arm.com, vincent.guittot@linaro.org,
dietmar.eggemann@arm.com
Subject: Re: [RFC PATCH 1/2] sched: Clean up SD_BALANCE_WAKE flags in sched domain build-up
Date: Tue, 31 May 2016 11:21:46 +0200 [thread overview]
Message-ID: <20160531092146.GT3192@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <1464657098-24880-2-git-send-email-yuyang.du@intel.com>
On Tue, May 31, 2016 at 09:11:37AM +0800, Yuyang Du wrote:
> The SD_BALANCE_WAKE is irrelevant in the contexts of these two removals,
> and in addition SD_BALANCE_WAKE is not and should not be set in any
> sched_domain flags so far.
This Changelog doesn't make any sense...
> Signed-off-by: Yuyang Du <yuyang.du@intel.com>
> ---
> kernel/sched/core.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/kernel/sched/core.c b/kernel/sched/core.c
> index 7f2cae4..e00b8ea 100644
> --- a/kernel/sched/core.c
> +++ b/kernel/sched/core.c
> @@ -6229,10 +6229,10 @@ static void set_domain_attribute(struct sched_domain *sd,
> request = attr->relax_domain_level;
> if (request < sd->level) {
> /* turn off idle balance on this domain */
> - sd->flags &= ~(SD_BALANCE_WAKE|SD_BALANCE_NEWIDLE);
> + sd->flags &= ~(SD_BALANCE_NEWIDLE);
> } else {
> /* turn on idle balance on this domain */
> - sd->flags |= (SD_BALANCE_WAKE|SD_BALANCE_NEWIDLE);
> + sd->flags |= (SD_BALANCE_NEWIDLE);
> }
> }
>
> --
> 1.7.9.5
>
next prev parent reply other threads:[~2016-05-31 9:21 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-31 1:11 [RFC PATCH 0/2] Remove and replace SD_WAKE_AFFINE with SD_BALANCE_WAKE Yuyang Du
2016-05-31 1:11 ` [RFC PATCH 1/2] sched: Clean up SD_BALANCE_WAKE flags in sched domain build-up Yuyang Du
2016-05-31 9:21 ` Peter Zijlstra [this message]
2016-05-31 1:31 ` Yuyang Du
2016-05-31 10:41 ` Peter Zijlstra
2016-05-31 18:00 ` Yuyang Du
2016-06-01 5:07 ` Mike Galbraith
2016-06-01 0:01 ` Yuyang Du
2016-06-01 8:32 ` Vincent Guittot
2016-06-01 1:03 ` Yuyang Du
2016-06-01 9:24 ` Vincent Guittot
2016-06-01 19:35 ` Yuyang Du
2016-06-02 6:56 ` Vincent Guittot
2016-06-01 23:19 ` Yuyang Du
2016-06-01 9:36 ` Mike Galbraith
2016-06-01 20:03 ` Yuyang Du
2016-06-02 5:50 ` Mike Galbraith
2016-06-01 22:41 ` Yuyang Du
2016-06-02 6:44 ` Mike Galbraith
2016-05-31 1:11 ` [RFC PATCH 2/2] sched: Remove SD_WAKE_AFFINE flag and replace it with SD_BALANCE_WAKE Yuyang Du
2016-05-31 9:23 ` Peter Zijlstra
2016-05-31 1:34 ` Yuyang Du
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