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From: Peter Zijlstra <peterz@infradead.org>
To: dietmar.eggemann@arm.com
Cc: mingo@redhat.com, vincent.guittot@linaro.org,
	morten.rasmussen@arm.com, chris.redpath@arm.com,
	linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 5/8] sched: introduce common topology level init function
Date: Fri, 20 Dec 2013 15:04:51 +0100	[thread overview]
Message-ID: <20131220140451.GV16438@laptop.programming.kicks-ass.net> (raw)
In-Reply-To: <1386936688-29113-6-git-send-email-dietmar.eggemann@arm.com>

> +/*
> + * SD_flags allowed in topology descriptions.
> + *
> + * SD_SHARE_CPUPOWER      - describes SMT topologies
> + * SD_SHARE_PKG_RESOURCES - describes shared caches
> + * SD_NUMA                - describes NUMA topologies
> + *
> + * Odd one out:
> + * SD_ASYM_PACKING        - describes SMT quirks
> + *
> + * SD_PREFER_SIBLING      - describes preference for sibling domain
> + */
> +#define TOPOLOGY_SD_FLAGS         \
> +	(SD_SHARE_CPUPOWER |      \
> +	 SD_SHARE_PKG_RESOURCES | \
> +	 SD_NUMA |                \
> +	 SD_ASYM_PACKING |        \
> +	 SD_PREFER_SIBLING)

See SD_PREFER_SIBLING is behavioural, the exact kinda thing we want to
keep out of this mask,

  reply	other threads:[~2013-12-20 14:04 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-13 12:11 [RFC PATCH 0/8] change scheduler domain hierarchy set-up dietmar.eggemann
2013-12-13 12:11 ` [RFC PATCH 1/8] sched: arch interface for scheduler domain setup dietmar.eggemann
2013-12-13 12:11 ` [RFC PATCH 2/8] arm: implement " dietmar.eggemann
2013-12-13 12:11 ` [RFC PATCH 3/8] x86: " dietmar.eggemann
2013-12-13 12:11 ` [RFC PATCH 4/8] sched: allocate the entire topology array dynamically dietmar.eggemann
2013-12-13 12:11 ` [RFC PATCH 5/8] sched: introduce common topology level init function dietmar.eggemann
2013-12-20 14:04   ` Peter Zijlstra [this message]
2014-01-06 18:41     ` Dietmar Eggemann
2013-12-13 12:11 ` [RFC PATCH 6/8] sched: replace for_each_sd_topology with explicit for loop dietmar.eggemann
2013-12-13 12:11 ` [RFC PATCH 7/8] sched: replace topology level init func ptr with sd_init dietmar.eggemann
2013-12-13 12:11 ` [RFC PATCH 8/8] sched: remove scheduler domain naming dietmar.eggemann
2013-12-20 14:08   ` Peter Zijlstra
2014-01-06 18:41     ` Dietmar Eggemann
2014-01-07 10:22       ` Peter Zijlstra
2014-01-07 14:33         ` Dietmar Eggemann
2013-12-20 14:00 ` [RFC PATCH 0/8] change scheduler domain hierarchy set-up Peter Zijlstra
2014-01-06 18:40   ` Dietmar Eggemann

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