From: Tejun Heo <tj@kernel.org>
To: David Vernet <void@manifault.com>,
Andrea Righi <arighi@nvidia.com>,
Changwoo Min <changwoo@igalia.com>
Cc: sched-ext@lists.linux.dev, Emil Tsalapatis <emil@etsalapatis.com>,
linux-kernel@vger.kernel.org, Tejun Heo <tj@kernel.org>
Subject: [PATCH v2 3/4] sched_ext: Drop unused scx_cpumask_to_cmask()
Date: Tue, 21 Jul 2026 12:31:17 -1000 [thread overview]
Message-ID: <20260721223118.2268529-4-tj@kernel.org> (raw)
In-Reply-To: <20260721223118.2268529-1-tj@kernel.org>
scx_cpumask_to_cmask() has no callers.
Signed-off-by: Tejun Heo <tj@kernel.org>
---
kernel/sched/ext/cid.c | 21 ---------------------
kernel/sched/ext/cid.h | 1 -
2 files changed, 22 deletions(-)
diff --git a/kernel/sched/ext/cid.c b/kernel/sched/ext/cid.c
index 9dfd242be34f..5f990d95735f 100644
--- a/kernel/sched/ext/cid.c
+++ b/kernel/sched/ext/cid.c
@@ -371,27 +371,6 @@ void scx_cmask_fill(struct scx_cmask *m)
m->bits[nr_words - 1] &= (1ULL << tail_bits) - 1;
}
-/**
- * scx_cpumask_to_cmask - Translate a kernel cpumask into a cmask
- * @src: source cpumask
- * @dst: cmask to write
- *
- * Clear @dst's active range and set the bit for each cid whose cpu is in
- * @src and lies within that range. Out-of-range cids are silently ignored.
- */
-void scx_cpumask_to_cmask(const struct cpumask *src, struct scx_cmask *dst)
-{
- s32 cpu;
-
- scx_cmask_clear(dst);
- for_each_cpu(cpu, src) {
- s32 cid = __scx_cpu_to_cid(cpu);
-
- if (cid >= 0)
- __scx_cmask_set(cid, dst);
- }
-}
-
/*
* Return the index of the largest entry in @counts, or NUMA_NO_NODE if all
* entries are zero. Ties resolve to the lowest index.
diff --git a/kernel/sched/ext/cid.h b/kernel/sched/ext/cid.h
index b36a1a28eac8..470ac9224da4 100644
--- a/kernel/sched/ext/cid.h
+++ b/kernel/sched/ext/cid.h
@@ -68,7 +68,6 @@ bool scx_cmask_intersects(const struct scx_cmask *a, const struct scx_cmask *b);
bool scx_cmask_empty(const struct scx_cmask *m);
s32 scx_cid_init(struct scx_sched *sch);
int scx_cid_kfunc_init(void);
-void scx_cpumask_to_cmask(const struct cpumask *src, struct scx_cmask *dst);
/**
* cid_valid - Verify a cid value, to be used on ops input args
--
2.55.0
next prev parent reply other threads:[~2026-07-21 22:31 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-21 22:31 [PATCHSET v2 sched_ext/for-7.3] sched_ext: Sub-scheduler and cid fixes Tejun Heo
2026-07-21 22:31 ` [PATCH v2 1/4] sched_ext: Blame the DSQ's owning scheduler for a runnable stall Tejun Heo
2026-07-21 22:31 ` [PATCH v2 2/4] sched_ext: Skip the default CPU selection while bypassing Tejun Heo
2026-07-21 22:31 ` Tejun Heo [this message]
2026-07-21 22:31 ` [PATCH v2 4/4] sched_ext: Build the cid tables privately and publish them with RCU Tejun Heo
2026-07-22 7:30 ` Andrea Righi
2026-07-22 8:23 ` [PATCH v3 " Tejun Heo
2026-07-22 8:29 ` Andrea Righi
2026-07-22 8:00 ` [PATCHSET v2 sched_ext/for-7.3] sched_ext: Sub-scheduler and cid fixes Andrea Righi
2026-07-22 8:34 ` Tejun Heo
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