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[86.59.129.200]) by smtp.gmail.com with ESMTPSA id e5sm10792343ejb.26.2020.10.12.06.37.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Oct 2020 06:37:03 -0700 (PDT) Sender: Ingo Molnar Date: Mon, 12 Oct 2020 15:37:01 +0200 From: Ingo Molnar To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira Subject: [GIT PULL] scheduler changes for v5.10 Message-ID: <20201012133701.GA3206705@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Linus, Please pull the latest sched/core git tree from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched-core-2020-10-12 # HEAD: feff2e65efd8d84cf831668e182b2ce73c604bbb sched/deadline: Unthrottle PI boosted threads while enqueuing Scheduler changes for v5.10: - Reorganize & clean up the SD* flags definitions and add a bunch of sanity checks. These new checks caught quite a few bugs or at least inconsistencies, resulting in another set of patches. - Rseq updates, add MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ - Add a new tracepoint to improve CPU capacity tracking - Improve overloaded SMP system load-balancing behavior - Tweak SMT balancing - Energy-aware scheduling updates - NUMA balancing improvements - Deadline scheduler fixes and improvements - CPU isolation fixes - Misc cleanups, simplifications and smaller optimizations. Thanks, Ingo ------------------> Barry Song (1): sched/fair: Use dst group while checking imbalance for NUMA balancer Daniel Bristot de Oliveira (3): MAINTAINERS: Add myself as SCHED_DEADLINE reviewer sched/rt: Disable RT_RUNTIME_SHARE by default sched/deadline: Unthrottle PI boosted threads while enqueuing Jiang Biao (1): sched/fair: Simplify the work when reweighting entity Josh Don (1): sched/fair: Ignore cache hotness for SMT migration Lucas Stach (1): sched/deadline: Fix stale throttling on de-/boosted tasks Lukasz Luba (1): sched/fair: Fix wrong negative conversion in find_energy_efficient_cpu() Peter Oskolkov (4): rseq/membarrier: Add MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ rseq/selftests,x86_64: Add rseq_offset_deref_addv() rseq/selftests: Test MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ sched/fair: Tweak pick_next_entity() Sebastian Andrzej Siewior (2): sched: Bring the PF_IO_WORKER and PF_WQ_WORKER bits closer together sched: Cache task_struct::flags in sched_submit_work() Valentin Schneider (19): ARM, sched/topology: Remove SD_SHARE_POWERDOMAIN ARM, sched/topology: Revert back to default scheduler topology sched/topology: Split out SD_* flags declaration to its own file sched/topology: Define and assign sched_domain flag metadata sched/topology: Verify SD_* flags setup when sched_debug is on sched/debug: Output SD flag names rather than their values sched/topology: Introduce SD metaflag for flags needing > 1 groups sched/topology: Use prebuilt SD flag degeneration mask sched/topology: Remove SD_SERIALIZE degeneration special case sched/topology: Propagate SD_ASYM_CPUCAPACITY upwards sched/topology: Mark SD_PREFER_SIBLING as SDF_NEEDS_GROUPS sched/topology: Mark SD_BALANCE_WAKE as SDF_NEEDS_GROUPS sched/topology: Mark SD_SERIALIZE as SDF_NEEDS_GROUPS sched/topology: Mark SD_ASYM_PACKING as SDF_NEEDS_GROUPS sched/topology: Mark SD_OVERLAP as SDF_NEEDS_GROUPS sched/topology: Mark SD_NUMA as SDF_NEEDS_GROUPS sched/topology: Move sd_flag_debug out of linux/sched/topology.h sched/topology: Move SD_DEGENERATE_GROUPS_MASK out of linux/sched/topology.h sched/topology: Move sd_flag_debug out of #ifdef CONFIG_SYSCTL Vincent Donnefort (1): sched/debug: Add new tracepoint to track cpu_capacity Vincent Guittot (5): sched/numa: Use runnable_avg to classify node sched/fair: Relax constraint on task's load during load balance sched/fair: Reduce minimal imbalance threshold sched/fair: Minimize concurrent LBs between domain level sched/fair: Reduce busy load balance interval Xianting Tian (1): sched/fair: Remove the force parameter of update_tg_load_avg() Xunlei Pang (1): sched/fair: Fix wrong cpu selecting from isolated domain YueHaibing (1): sched: Remove unused inline function uclamp_bucket_base_value() MAINTAINERS | 1 + arch/arm/kernel/topology.c | 26 --- include/linux/sched.h | 5 +- include/linux/sched/mm.h | 3 + include/linux/sched/sd_flags.h | 156 +++++++++++++++++ include/linux/sched/topology.h | 37 ++-- include/linux/syscalls.h | 2 +- include/trace/events/sched.h | 4 + include/uapi/linux/membarrier.h | 26 +++ kernel/sched/core.c | 13 +- kernel/sched/deadline.c | 34 +++- kernel/sched/debug.c | 56 ++++++- kernel/sched/fair.c | 103 ++++++++---- kernel/sched/features.h | 2 +- kernel/sched/membarrier.c | 136 +++++++++++---- kernel/sched/topology.c | 69 ++++---- tools/testing/selftests/rseq/param_test.c | 223 ++++++++++++++++++++++++- tools/testing/selftests/rseq/rseq-x86.h | 57 +++++++ tools/testing/selftests/rseq/run_param_test.sh | 2 + 19 files changed, 803 insertions(+), 152 deletions(-) create mode 100644 include/linux/sched/sd_flags.h