SDHC card affected by preemption model in 2.6.35

Commit Message

Dave Hylands Feb. 22, 2011, 1:43 a.m. UTC

None

Patch

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 11869fa..90a17ca 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -2047,6 +2047,15 @@  repeat:
 				move_linked_works(work, scheduled, &n);

 		process_scheduled_works(rescuer);
+
+		/*
+		 * Leave this gcwq.  If keep_working() is %true, notify a
+		 * regular worker; otherwise, we end up with 0 concurrency
+		 * and stalling the execution.
+		 */
+		if (keep_working(gcwq))
+			wake_up_worker(gcwq);
+
 		spin_unlock_irq(&gcwq->lock);
 	}