sched_ext: Remove deprecated scx_bpf_cpu_rq()

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scx_bpf_cpu_rq() exposes rq pointers without requiring the rq lock and
has emitted a deprecation warning since commit
5c48d88fe0 ("sched_ext: deprecation warn for scx_bpf_cpu_rq()").
The supported replacements cover the intended uses:
scx_bpf_locked_rq() for locked rq access and
scx_bpf_cpu_curr() for remote curr lookup.

Remove the kfunc, its BTF registrations, the deprecation warning
state, and the BPF-side prototype and compat fallback.

Signed-off-by: Christian Loehle <christian.loehle@arm.com>
Reviewed-by: Andrea Righi <arighi@nvidia.com>
Reviewed-by: Hongyan Xia <hongyan.xia@transsion.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

...

This commit is contained in:

Christian Loehle 2026-06-19 16:59:20 +01:00 • committed by Tejun Heo

parent 115d1ce989

commit 37cca05980

4 changed files with 2 additions and 51 deletions

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30

kernel/sched/ext/ext.c

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1

kernel/sched/ext/internal.h

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5

tools/sched_ext/include/scx/common.bpf.h

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17

tools/sched_ext/include/scx/compat.bpf.h

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