Messages in this thread Patch in this message | | | Date | Thu, 15 Oct 2020 22:05:10 +0800 | From | Hui Su <> | Subject | [PATCH] async.c: reduce the critical region in lowest_in_progress() |
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The judgement of first do not need to be in the critical region. So move it out.
Signed-off-by: Hui Su <sh_def@163.com> --- kernel/async.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/async.c b/kernel/async.c index 33258e6e20f8..9d33ffcc84c7 100644 --- a/kernel/async.c +++ b/kernel/async.c @@ -96,10 +96,10 @@ static async_cookie_t lowest_in_progress(struct async_domain *domain) struct async_entry, global_list); } + spin_unlock_irqrestore(&async_lock, flags); if (first) ret = first->cookie; - spin_unlock_irqrestore(&async_lock, flags); return ret; } -- 2.25.1
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