Messages in this thread Patch in this message | | | From | Yunfeng Ye <> | Subject | [PATCH] async: Let kfree() out of the critical area of the lock | Date | Wed, 25 Sep 2019 20:52:26 +0800 |
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It's not necessary to put kfree() in the critical area of the lock, so let it out.
Signed-off-by: Yunfeng Ye <yeyunfeng@huawei.com> --- kernel/async.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/kernel/async.c b/kernel/async.c index 4f9c1d6..1de270d 100644 --- a/kernel/async.c +++ b/kernel/async.c @@ -135,12 +135,12 @@ static void async_run_entry_fn(struct work_struct *work) list_del_init(&entry->domain_list); list_del_init(&entry->global_list);
- /* 3) free the entry */ - kfree(entry); atomic_dec(&entry_count); - spin_unlock_irqrestore(&async_lock, flags);
+ /* 3) free the entry */ + kfree(entry); + /* 4) wake up any waiters */ wake_up(&async_done); } -- 2.7.4
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