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authorRasmus Villemoes <linux@rasmusvillemoes.dk>2021-05-06 18:05:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-05-07 00:26:33 -0700
commita065c0faacb1e472cd4e048986407d1b177373a2 (patch)
treee2abe71ddf78464111366212b3b545784f831620
parent07416af11dd85ca61abe60155ace37ced1233617 (diff)
kernel/async.c: remove async_unregister_domain()
No callers in the tree. 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>
-rw-r--r--include/linux/async.h1
-rw-r--r--kernel/async.c18
2 files changed, 0 insertions, 19 deletions
diff --git a/include/linux/async.h b/include/linux/async.h
index 0a17cd27f348..cce4ad31e8fc 100644
--- a/include/linux/async.h
+++ b/include/linux/async.h
@@ -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);
diff --git a/kernel/async.c b/kernel/async.c
index 4b5971142922..b8d7a663497f 100644
--- a/kernel/async.c
+++ b/kernel/async.c
@@ -246,24 +246,6 @@ 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
*