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SubjectRe: [GIT PULL] scheduler updates for v5.19
On Tue, May 24, 2022 at 07:49:24AM +0200, Ingo Molnar wrote:
>
> * Ingo Molnar <mingo@kernel.org> wrote:
>
> > Linus,
> >
> > Please pull the latest sched/core git tree from:
> >
> > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched-core-2022-05-23
> >
> > # HEAD: 991d8d8142cad94f9c5c05db25e67fa83d6f772a topology: Remove unused cpu_cluster_mask()
> >
> > Scheduler changes in this cycle were:
> >
> > - Updates to scheduler metrics:
> >
> > - PELT fixes & enhancements
> > - PSI fixes & enhancements
> > - Refactor cpu_util_without()
> >
> > - Updates to instrumentation/debugging:
> >
> > - Remove sched_trace_*() helper functions - can be done via debug info
> > - Fix double update_rq_clock() warnings
> >
> > - Introduce & use "preemption model accessors" to simplify some of
> > the Kconfig complexity.
> >
> > - Make softirq handling RT-safe.
> >
> > - Misc smaller fixes & cleanups.
> >
> > Thanks,
> >
> > Ingo
> >
> > ------------------>
> > Chengming Zhou (3):
> > sched/fair: Fix cfs_rq_clock_pelt() for throttled cfs_rq
> > sched/fair: Delete useless condition in tg_unthrottle_up()
> > sched/psi: report zeroes for CPU full at the system level
> >
> > Dietmar Eggemann (4):
> > sched/fair: Refactor cpu_util_without()
> > sched/fair: Remove sched_trace_*() helper functions
> > sched/fair: Remove cfs_rq_tg_path()
> > topology: Remove unused cpu_cluster_mask()
> >
> > Hailong Liu (1):
> > psi: Fix trigger being fired unexpectedly at initial
> >
> > Hao Jia (2):
> > sched/core: Avoid obvious double update_rq_clock warning
> > sched/deadline: Remove superfluous rq clock update in push_dl_task()
> >
> > Peter Zijlstra (1):
> > sched: Reverse sched_class layout
> >
> > Sebastian Andrzej Siewior (1):
> > smp: Make softirq handling RT safe in flush_smp_call_function_queue()
> >
> > Tao Zhou (1):
> > sched/fair: Revise comment about lb decision matrix
> >
> > Thomas Gleixner (2):
> > sched: Fix missing prototype warnings
> > smp: Rename flush_smp_call_function_from_idle()
> >
> > Valentin Schneider (5):
> > preempt/dynamic: Introduce preemption model accessors
> > kcsan: Use preemption model accessors
> > ftrace: Use preemption model accessors for trace header printout
> > MAINTAINERS: Add myself as scheduler topology reviewer
> > mailmap: Update my email address to @redhat.com
> >
> > zgpeng (1):
> > sched/fair: Move calculate of avg_load to a better location
> >
> >
> > .mailmap | 1 +
> > Documentation/accounting/psi.rst | 9 +-
> > MAINTAINERS | 1 +
> > include/asm-generic/vmlinux.lds.h | 12 +-
> > include/linux/interrupt.h | 9 ++
> > include/linux/sched.h | 57 ++++++--
> > include/linux/topology.h | 7 -
> > kernel/kcsan/kcsan_test.c | 5 +-
> > kernel/sched/build_policy.c | 2 +
> > kernel/sched/build_utility.c | 1 +
> > kernel/sched/core.c | 35 +++--
> > kernel/sched/deadline.c | 15 +-
> > kernel/sched/fair.c | 292 +++++++++-----------------------------
> > kernel/sched/idle.c | 2 +-
> > kernel/sched/pelt.h | 4 +-
> > kernel/sched/psi.c | 18 ++-
> > kernel/sched/rt.c | 5 +-
> > kernel/sched/sched.h | 55 ++++---
> > kernel/sched/smp.h | 6 +
> > kernel/smp.c | 32 +++--
> > kernel/softirq.c | 13 ++
> > kernel/stop_machine.c | 2 -
> > kernel/trace/trace.c | 14 +-
> > 23 files changed, 266 insertions(+), 331 deletions(-)
>
> Note that the above is a v5.18 based shortlog and diffstat, but because the
> RCU tree deep-merged one of the scheduler commits that introduced better,
> Kconfig-invariant preemption model accessors:
>
> cfe43f478b79 preempt/dynamic: Introduce preemption model accessors

Ah, this one:

cfe43f478b79 ("preempt/dynamic: Introduce preemption model accessors")

Please accept my apologies for the disruption. This commit was needed
to be able to properly handle CONFIG_PREEMPT_DYNAMIC=y kernels booting
with preempt=none or preempt=voluntary. But I should have called this
out in my pull request, and failed to do so. Again, please accept my
apologies for the disruption.

Thanx, Paul

> ... and you merged the RCU tree already, so you'll get this shortlog &
> diffstat:
>
> =============>
> Chengming Zhou (3):
> sched/fair: Fix cfs_rq_clock_pelt() for throttled cfs_rq
> sched/fair: Delete useless condition in tg_unthrottle_up()
> sched/psi: report zeroes for CPU full at the system level
>
> Dietmar Eggemann (4):
> sched/fair: Refactor cpu_util_without()
> sched/fair: Remove sched_trace_*() helper functions
> sched/fair: Remove cfs_rq_tg_path()
> topology: Remove unused cpu_cluster_mask()
>
> Hailong Liu (1):
> psi: Fix trigger being fired unexpectedly at initial
>
> Hao Jia (2):
> sched/core: Avoid obvious double update_rq_clock warning
> sched/deadline: Remove superfluous rq clock update in push_dl_task()
>
> Ingo Molnar (1):
> Merge tag 'v5.18-rc5' into sched/core to pull in fixes & to resolve a conflict
>
> Peter Zijlstra (1):
> sched: Reverse sched_class layout
>
> Sebastian Andrzej Siewior (1):
> smp: Make softirq handling RT safe in flush_smp_call_function_queue()
>
> Tao Zhou (1):
> sched/fair: Revise comment about lb decision matrix
>
> Thomas Gleixner (2):
> sched: Fix missing prototype warnings
> smp: Rename flush_smp_call_function_from_idle()
>
> Valentin Schneider (4):
> kcsan: Use preemption model accessors
> ftrace: Use preemption model accessors for trace header printout
> MAINTAINERS: Add myself as scheduler topology reviewer
> mailmap: Update my email address to @redhat.com
>
> zgpeng (1):
> sched/fair: Move calculate of avg_load to a better location
>
> .mailmap | 1 +
> Documentation/accounting/psi.rst | 9 +-
> MAINTAINERS | 1 +
> include/asm-generic/vmlinux.lds.h | 12 +-
> include/linux/interrupt.h | 9 ++
> include/linux/sched.h | 16 +--
> include/linux/topology.h | 7 -
> kernel/kcsan/kcsan_test.c | 5 +-
> kernel/sched/build_policy.c | 2 +
> kernel/sched/build_utility.c | 1 +
> kernel/sched/core.c | 23 +--
> kernel/sched/deadline.c | 15 +-
> kernel/sched/fair.c | 292 +++++++++-----------------------------
> kernel/sched/idle.c | 2 +-
> kernel/sched/pelt.h | 4 +-
> kernel/sched/psi.c | 18 ++-
> kernel/sched/rt.c | 5 +-
> kernel/sched/sched.h | 55 ++++---
> kernel/sched/smp.h | 6 +
> kernel/smp.c | 32 +++--
> kernel/softirq.c | 13 ++
> kernel/stop_machine.c | 2 -
> kernel/trace/trace.c | 14 +-
> 23 files changed, 213 insertions(+), 331 deletions(-)
>
> Thanks,
>
> Ingo

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