From: Ingo Molnar <mingo@kernel.org>
To: Morten Rasmussen <morten.rasmussen@arm.com>
Cc: peterz@infradead.org, mingo@redhat.com,
valentin.schneider@arm.com, dietmar.eggemann@arm.com,
vincent.guittot@linaro.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/4] sched/topology: SD_ASYM_CPUCAPACITY flag detection
Date: Mon, 10 Sep 2018 10:21:11 +0200 [thread overview]
Message-ID: <20180910082111.GA48257@gmail.com> (raw)
In-Reply-To: <1532093554-30504-2-git-send-email-morten.rasmussen@arm.com>
* Morten Rasmussen <morten.rasmussen@arm.com> wrote:
> The SD_ASYM_CPUCAPACITY sched_domain flag is supposed to mark the
> sched_domain in the hierarchy where all cpu capacities are visible for
> any cpu's point of view on asymmetric cpu capacity systems. The
> /*
> + * Find the sched_domain_topology_level where all cpu capacities are visible
> + * for all cpus.
> + */
> + /*
> + * Examine topology from all cpu's point of views to detect the lowest
> + * sched_domain_topology_level where a highest capacity cpu is visible
> + * to everyone.
> + */
> #define SD_WAKE_AFFINE 0x0020 /* Wake task to waking CPU */
> -#define SD_ASYM_CPUCAPACITY 0x0040 /* Groups have different max cpu capacities */
> +#define SD_ASYM_CPUCAPACITY 0x0040 /* Domain members have different cpu capacities */
For future reference: *please* capitalize 'CPU' and 'CPUs' in future patches like the rest of
the scheduler does.
You can see it spelled right above the new definition: 'waking CPU' ;-)
(I fixed this up in this patch.)
Thanks!
Ingo
next prev parent reply other threads:[~2018-09-10 8:21 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-20 13:32 [PATCH 0/4] sched/topology: Set SD_ASYM_CPUCAPACITY flag automatically Morten Rasmussen
2018-07-20 13:32 ` [PATCH 1/4] sched/topology: SD_ASYM_CPUCAPACITY flag detection Morten Rasmussen
2018-07-23 13:25 ` Qais Yousef
2018-07-23 15:27 ` Morten Rasmussen
2018-07-23 16:07 ` Qais Yousef
2018-07-24 8:37 ` Morten Rasmussen
2018-07-24 8:59 ` Qais Yousef
2018-09-10 8:21 ` Ingo Molnar [this message]
2018-09-11 11:04 ` Morten Rasmussen
2018-09-10 10:11 ` [tip:sched/core] sched/topology: Add " tip-bot for Morten Rasmussen
2018-07-20 13:32 ` [PATCH 2/4] drivers/base/arch_topology: Rebuild sched_domain hierarchy when capacities change Morten Rasmussen
2018-09-10 10:11 ` [tip:sched/core] sched/topology, drivers/base/arch_topology: Rebuild the " tip-bot for Morten Rasmussen
2018-07-20 13:32 ` [PATCH 3/4] arch/arm64: Rebuild sched_domain hierarchy when cpu capacity changes Morten Rasmussen
2018-09-10 10:12 ` [tip:sched/core] sched/topology, arch/arm64: Rebuild the sched_domain hierarchy when the CPU " tip-bot for Morten Rasmussen
2018-07-20 13:32 ` [PATCH 4/4] arch/arm: Rebuild sched_domain hierarchy when cpu " Morten Rasmussen
2018-09-10 10:12 ` [tip:sched/core] sched/topology, arch/arm: Rebuild sched_domain hierarchy when CPU " tip-bot for Morten Rasmussen
2018-07-31 10:53 ` [PATCH 0/4] sched/topology: Set SD_ASYM_CPUCAPACITY flag automatically Peter Zijlstra
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