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52722794d6
Async kept single global pending list and per-domain running lists. When an async item is queued, it's put on the global pending list. The item is moved to the per-domain running list when its execution starts. At this point, this design complicates execution and synchronization without bringing any benefit. The list only matters for synchronization which doesn't care whether a given async item is pending or executing. Also, global synchronization is done by iterating through all active registered async_domains, so the global async_pending list doesn't help anything either. Rename async_domain->running to async_domain->pending and put async items directly there and remove when execution completes. This simplifies lowest_in_progress() a lot - the first item on the pending list is the one with the lowest cookie, and async_run_entry_fn() doesn't have to mess with moving the item from pending to running. After the change, whether a domain is empty or not can be trivially determined by looking at async_domain->pending. Remove async_domain->count and use list_empty() on pending instead. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Dan Williams <djbw@fb.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> |
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