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| author | Ingo Molnar <mingo@kernel.org> | 2025-05-28 10:09:01 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2025-06-13 08:47:18 +0200 |
| commit | cac5cefbade90ff0bb0b393d301fa3b5234cf056 (patch) | |
| tree | 15b5ff17d1801012f6c53498c6320cee6ef086f4 /kernel/sched/syscalls.c | |
| parent | 5202c25dd17c54cd4c21f266d9a51b644d7cd682 (diff) | |
| download | linux-next-cac5cefbade90ff0bb0b393d301fa3b5234cf056.tar.gz linux-next-cac5cefbade90ff0bb0b393d301fa3b5234cf056.zip | |
sched/smp: Make SMP unconditional
Simplify the scheduler by making CONFIG_SMP=y primitives and data
structures unconditional.
Introduce transitory wrappers for functionality not yet converted to SMP.
Note that this patch is pretty large, because there's no clear separation
between various aspects of the SMP scheduler, it's basically a huge block
of #ifdef CONFIG_SMP. A fair amount of it has to be switched on for it to
boot and work on UP systems.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Dietmar Eggemann <dietmar.eggemann@arm.com>
Cc: Juri Lelli <juri.lelli@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Shrikanth Hegde <sshegde@linux.ibm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Valentin Schneider <vschneid@redhat.com>
Cc: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20250528080924.2273858-21-mingo@kernel.org
Diffstat (limited to 'kernel/sched/syscalls.c')
| -rw-r--r-- | kernel/sched/syscalls.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/sched/syscalls.c b/kernel/sched/syscalls.c index 5cb5e9487f0d..d7fccf871c7d 100644 --- a/kernel/sched/syscalls.c +++ b/kernel/sched/syscalls.c @@ -1119,7 +1119,6 @@ SYSCALL_DEFINE4(sched_getattr, pid_t, pid, struct sched_attr __user *, uattr, return copy_struct_to_user(uattr, usize, &kattr, sizeof(kattr), NULL); } -#ifdef CONFIG_SMP int dl_task_check_affinity(struct task_struct *p, const struct cpumask *mask) { /* @@ -1148,7 +1147,6 @@ int dl_task_check_affinity(struct task_struct *p, const struct cpumask *mask) return 0; } -#endif /* CONFIG_SMP */ int __sched_setaffinity(struct task_struct *p, struct affinity_context *ctx) { |