sched_ext: idle: Fix return code of scx_select_cpu_dfl()

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Return -EBUSY when using %SCX_PICK_IDLE_CORE with scx_select_cpu_dfl()
if a fully idle SMT core cannot be found, instead of falling back to
@prev_cpu, which is not a fully idle SMT core in this case.

Fixes: c414c2171c ("sched_ext: idle: Honor idle flags in the built-in idle selection policy")
Signed-off-by: Andrea Righi <arighi@nvidia.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

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Andrea Righi 2025-03-26 20:18:49 +01:00 • committed by Tejun Heo

parent f6e0150b20

commit 37477d9eca

1 changed files with 1 additions and 1 deletions

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kernel/sched/ext_idle.c

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