linux-kernel - [PATCH] driver core: Use unbound workqueue for deferred probes

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Message-Id: <1614167749-22005-1-git-send-email-ylal@codeaurora.org>
Date:   Wed, 24 Feb 2021 17:25:49 +0530
From:   Yogesh Lal <ylal@...eaurora.org>
To:     gregkh@...uxfoundation.org, rafael@...nel.org
Cc:     linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        Yogesh Lal <ylal@...eaurora.org>
Subject: [PATCH] driver core: Use unbound workqueue for deferred probes

Queue deferred driver probes on unbounded workqueue, to allow
scheduler better manage scheduling of long running probes.

Signed-off-by: Yogesh Lal <ylal@...eaurora.org>
---
 drivers/base/dd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 9179825f..c9c174a 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -182,7 +182,7 @@ static void driver_deferred_probe_trigger(void)
 	 * Kick the re-probe thread.  It may already be scheduled, but it is
 	 * safe to kick it again.
 	 */
-	schedule_work(&deferred_probe_work);
+	queue_work(system_unbound_wq, &deferred_probe_work);
 }
 
 /**
-- 
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