linux/debian/patches/features/all/rt/0229-hotplug-stuff.patch.patch

32 lines
886 B
Diff

From ebe89669ba12c905ef019454a240784c1e2fee0a Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 4 Nov 2011 18:58:24 +0100
Subject: [PATCH 229/267] hotplug-stuff.patch
Do not take lock for non handled cases (might be atomic context)
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/workqueue.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 8389afe..674d783 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -3219,6 +3219,11 @@ static int __devinit workqueue_cpu_up_callback(struct notifier_block *nfb,
new_worker = create_worker(gcwq, false);
if (!new_worker)
return NOTIFY_BAD;
+ case CPU_UP_CANCELED:
+ case CPU_ONLINE:
+ break;
+ default:
+ return notifier_from_errno(0);
}
/* some are called w/ irq disabled, don't disturb irq status */
--
1.7.10