rv: Simplify task monitor slot management

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The slot array already tracks allocation and task_monitor_count
duplicates that state. On an invalid second release, the old code
warns but still decrements the counter, corrupting later allocations.

Use the slot array as the sole source of truth. Return after warning
about an unused slot, and return -EBUSY when no slot is free.

Reviewed-by: Gabriele Monaco <gmonaco@redhat.com>
Signed-off-by: Li Qiang <liqiang01@kylinos.cn>
Link: https://lore.kernel.org/r/20260715015825.1413822-1-liqiang01@kylinos.cn
Signed-off-by: Gabriele Monaco <gmonaco@redhat.com>

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Li Qiang 2026-07-15 09:58:24 +08:00 • committed by Gabriele Monaco

parent 2a8cd68cc0

commit b255fc56f4

1 changed files with 5 additions and 13 deletions

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kernel/trace/rv/rv.c

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