Re: [PATCH 0/6] sched/deadline, (rt): Sched class cleanups
From: Peter Zijlstra
Date: Fri Mar 04 2022 - 06:39:42 EST
On Fri, Mar 04, 2022 at 10:21:49AM +0100, Juri Lelli wrote:
> Hi,
>
> On 02/03/22 19:34, Dietmar Eggemann wrote:
> > While trying to improve the Deadline sched class behaviour for
> > asymmetric CPU capacity systems I came across some possible
> > cleanups for DL (and RT).
> >
> > Overview:
> >
> > [PATCH 1/6] - Remove `struct dl_bandwidth def_dl_bandwidth`.
> >
> > [PATCH 2/6] - Move functions into DL sched class which don't have to
> > be exported.
> >
> > [PATCH 3/6] - Merge two DL admission control functions which provide
> > very similar functionality.
> >
> > [PATCH 4/6] - Use DL rb_entry() macros and cached rbtree wrapper
> > `rb_first_cached()` consistently.
> >
> > [PATCH 5/6] - Remove unused !CONFIG_SMP function definitions in DL/RT.
> >
> > [PATCH 6/6] - Remove redundant function parameter in DL/RT.
> >
> > Dietmar Eggemann (6):
> > sched/deadline: Remove unused def_dl_bandwidth
> > sched/deadline: Move bandwidth mgmt and reclaim functions into sched
> > class source file
> > sched/deadline: Merge dl_task_can_attach() and dl_cpu_busy()
> > sched/deadline: Use __node_2_[pdl|dle]() and rb_first_cached()
> > consistently
> > sched/deadline,rt: Remove unused functions for !CONFIG_SMP
> > sched/deadline,rt: Remove unused parameter from
> > pick_next_[rt|dl]_entity()
> >
> > kernel/sched/core.c | 14 ++--
> > kernel/sched/deadline.c | 141 ++++++++++++++++++++--------------------
> > kernel/sched/rt.c | 16 +----
> > kernel/sched/sched.h | 53 +--------------
> > 4 files changed, 84 insertions(+), 140 deletions(-)
>
> These look ok to me. Thanks for the cleanups!
>
> Acked-by: Juri Lelli <juri.lelli@xxxxxxxxxx>
Thanks!