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kernel/async.c: remove async_unregister_domain()

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Link: https://lkml.kernel.org/r/20210309151723.1907838-2-linux@rasmusvillemoes.dk
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Rasmus Villemoes 2021-05-06 18:05:39 -07:00 committed by Linus Torvalds
parent 07416af11d
commit a065c0faac
2 changed files with 0 additions and 19 deletions
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1
include/linux/async.h
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@ -112,7 +112,6 @@ async_schedule_dev_domain(async_func_t func, struct device *dev,
return async_schedule_node_domain(func, dev, dev_to_node(dev), domain);
}
void async_unregister_domain(struct async_domain *domain);
extern void async_synchronize_full(void);
extern void async_synchronize_full_domain(struct async_domain *domain);
extern void async_synchronize_cookie(async_cookie_t cookie);

18
kernel/async.c
View File

@ -245,24 +245,6 @@ void async_synchronize_full(void)
}
EXPORT_SYMBOL_GPL(async_synchronize_full);
/**
* async_unregister_domain - ensure no more anonymous waiters on this domain
* @domain: idle domain to flush out of any async_synchronize_full instances
*
* async_synchronize_{cookie|full}_domain() are not flushed since callers
* of these routines should know the lifetime of @domain
*
* Prefer ASYNC_DOMAIN_EXCLUSIVE() declarations over flushing
*/
void async_unregister_domain(struct async_domain *domain)
{
spin_lock_irq(&async_lock);
WARN_ON(!domain->registered || !list_empty(&domain->pending));
domain->registered = 0;
spin_unlock_irq(&async_lock);
}
EXPORT_SYMBOL_GPL(async_unregister_domain);
/**
* async_synchronize_full_domain - synchronize all asynchronous function within a certain domain
* @domain: the domain to synchronize