From: Valentin Schneider <valentin.schneider@arm.com>
To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Cc: mingo@kernel.org, peterz@infradead.org,
vincent.guittot@linaro.org, dietmar.eggemann@arm.com,
morten.rasmussen@arm.com, Quentin Perret <qperret@google.com>
Subject: [PATCH v5 15/17] sched/topology: Mark SD_OVERLAP as SDF_NEEDS_GROUPS
Date: Wed, 12 Aug 2020 13:52:58 +0100 [thread overview]
Message-ID: <20200812125300.11889-16-valentin.schneider@arm.com> (raw)
In-Reply-To: <20200812125300.11889-1-valentin.schneider@arm.com>
A sched_domain can only have overlapping sched_groups if it has more than
one group.
Signed-off-by: Valentin Schneider <valentin.schneider@arm.com>
---
include/linux/sched/sd_flags.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/sched/sd_flags.h b/include/linux/sched/sd_flags.h
index f855f80f0052..021b909d3941 100644
--- a/include/linux/sched/sd_flags.h
+++ b/include/linux/sched/sd_flags.h
@@ -143,8 +143,9 @@ SD_FLAG(SD_PREFER_SIBLING, SDF_NEEDS_GROUPS)
* sched_groups of this level overlap
*
* SHARED_PARENT: Set for all NUMA levels above NODE.
+ * NEEDS_GROUPS: Overlaps can only exist with more than one group.
*/
-SD_FLAG(SD_OVERLAP, SDF_SHARED_PARENT)
+SD_FLAG(SD_OVERLAP, SDF_SHARED_PARENT | SDF_NEEDS_GROUPS)
/*
* Cross-node balancing
--
2.27.0
WARNING: multiple messages have this Message-ID (diff)
From: Valentin Schneider <valentin.schneider@arm.com>
To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Cc: vincent.guittot@linaro.org, Quentin Perret <qperret@google.com>,
peterz@infradead.org, morten.rasmussen@arm.com, mingo@kernel.org,
dietmar.eggemann@arm.com
Subject: [PATCH v5 15/17] sched/topology: Mark SD_OVERLAP as SDF_NEEDS_GROUPS
Date: Wed, 12 Aug 2020 13:52:58 +0100 [thread overview]
Message-ID: <20200812125300.11889-16-valentin.schneider@arm.com> (raw)
In-Reply-To: <20200812125300.11889-1-valentin.schneider@arm.com>
A sched_domain can only have overlapping sched_groups if it has more than
one group.
Signed-off-by: Valentin Schneider <valentin.schneider@arm.com>
---
include/linux/sched/sd_flags.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/sched/sd_flags.h b/include/linux/sched/sd_flags.h
index f855f80f0052..021b909d3941 100644
--- a/include/linux/sched/sd_flags.h
+++ b/include/linux/sched/sd_flags.h
@@ -143,8 +143,9 @@ SD_FLAG(SD_PREFER_SIBLING, SDF_NEEDS_GROUPS)
* sched_groups of this level overlap
*
* SHARED_PARENT: Set for all NUMA levels above NODE.
+ * NEEDS_GROUPS: Overlaps can only exist with more than one group.
*/
-SD_FLAG(SD_OVERLAP, SDF_SHARED_PARENT)
+SD_FLAG(SD_OVERLAP, SDF_SHARED_PARENT | SDF_NEEDS_GROUPS)
/*
* Cross-node balancing
--
2.27.0
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next prev parent reply other threads:[~2020-08-12 12:53 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-12 12:52 [PATCH v5 00/17] sched: Instrument sched domain flags Valentin Schneider
2020-08-12 12:52 ` Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 01/17] ARM, sched/topology: Remove SD_SHARE_POWERDOMAIN Valentin Schneider
2020-08-12 12:52 ` Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 02/17] ARM: Revert back to default scheduler topology Valentin Schneider
2020-08-12 12:52 ` Valentin Schneider
2020-08-13 19:16 ` Ingo Molnar
2020-08-13 19:16 ` Ingo Molnar
2020-08-13 22:27 ` Valentin Schneider
2020-08-13 22:27 ` Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 03/17] sched/topology: Split out SD_* flags declaration to its own file Valentin Schneider
2020-08-12 12:52 ` Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 04/17] sched/topology: Define and assign sched_domain flag metadata Valentin Schneider
2020-08-12 12:52 ` Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 05/17] sched/topology: Verify SD_* flags setup when sched_debug is on Valentin Schneider
2020-08-12 12:52 ` Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 06/17] sched/debug: Output SD flag names rather than their values Valentin Schneider
2020-08-12 12:52 ` Valentin Schneider
2020-08-12 16:35 ` kernel test robot
2020-08-12 16:35 ` kernel test robot
2020-08-12 16:35 ` kernel test robot
2020-08-12 18:51 ` Valentin Schneider
2020-08-12 18:51 ` Valentin Schneider
2020-08-12 18:51 ` Valentin Schneider
2020-08-13 12:02 ` Luc Van Oostenryck
2020-08-13 12:02 ` Luc Van Oostenryck
2020-08-13 12:02 ` Luc Van Oostenryck
2020-08-13 13:13 ` Valentin Schneider
2020-08-13 13:13 ` Valentin Schneider
2020-08-13 13:13 ` Valentin Schneider
2020-08-12 17:59 ` kernel test robot
2020-08-12 17:59 ` kernel test robot
2020-08-12 17:59 ` kernel test robot
2020-08-12 17:59 ` [PATCH] sched/debug: fix noderef.cocci warnings kernel test robot
2020-08-12 17:59 ` kernel test robot
2020-08-12 17:59 ` kernel test robot
2020-08-12 18:52 ` Valentin Schneider
2020-08-12 18:52 ` Valentin Schneider
2020-08-12 18:52 ` Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 07/17] sched/topology: Introduce SD metaflag for flags needing > 1 groups Valentin Schneider
2020-08-12 12:52 ` Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 08/17] sched/topology: Use prebuilt SD flag degeneration mask Valentin Schneider
2020-08-12 12:52 ` Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 09/17] sched/topology: Remove SD_SERIALIZE degeneration special case Valentin Schneider
2020-08-12 12:52 ` Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 10/17] sched/topology: Propagate SD_ASYM_CPUCAPACITY upwards Valentin Schneider
2020-08-12 12:52 ` Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 11/17] sched/topology: Mark SD_PREFER_SIBLING as SDF_NEEDS_GROUPS Valentin Schneider
2020-08-12 12:52 ` Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 12/17] sched/topology: Mark SD_BALANCE_WAKE " Valentin Schneider
2020-08-12 12:52 ` Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 13/17] sched/topology: Mark SD_SERIALIZE " Valentin Schneider
2020-08-12 12:52 ` Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 14/17] sched/topology: Mark SD_ASYM_PACKING " Valentin Schneider
2020-08-12 12:52 ` Valentin Schneider
2020-08-12 12:52 ` Valentin Schneider [this message]
2020-08-12 12:52 ` [PATCH v5 15/17] sched/topology: Mark SD_OVERLAP " Valentin Schneider
2020-08-12 12:52 ` [PATCH v5 16/17] sched/topology: Mark SD_NUMA " Valentin Schneider
2020-08-12 12:52 ` Valentin Schneider
2020-08-12 12:53 ` [PATCH v5 17/17] sched/topology: Expand use of SD_DEGENERATE_GROUPS_MASK to flags not needing groups Valentin Schneider
2020-08-12 12:53 ` Valentin Schneider
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