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tools/sched_ext/include: Add __COMPAT_HAS_scx_bpf_select_cpu_and macro

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scx_bpf_select_cpu_and() is now an inline wrapper so
bpf_ksym_exists(scx_bpf_select_cpu_and) no longer works. Add
__COMPAT_HAS_scx_bpf_select_cpu_and macro that checks for either the
struct args type (new) or the compat ksym (old) to test availability.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Andrea Righi <arighi@nvidia.com>
This commit is contained in:
Tejun Heo
2026-03-07 16:45:17 -10:00
parent 3691d380d5
commit c9c8546cde
1 changed files with 8 additions and 0 deletions
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tools/sched_ext/include/scx/compat.bpf.h
+8
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@@ -266,6 +266,14 @@ scx_bpf_select_cpu_and(struct task_struct *p, s32 prev_cpu, u64 wake_flags,
}
}
/*
* scx_bpf_select_cpu_and() is now an inline wrapper. Use this instead of
* bpf_ksym_exists(scx_bpf_select_cpu_and) to test availability.
*/
#define __COMPAT_HAS_scx_bpf_select_cpu_and \
(bpf_core_type_exists(struct scx_bpf_select_cpu_and_args) || \
bpf_ksym_exists(scx_bpf_select_cpu_and___compat))
/**
* scx_bpf_dsq_insert_vtime - Insert a task into the vtime priority queue of a DSQ
* @p: task_struct to insert