xen-changelog

[Top] [All Lists]

[Xen-changelog] Avoid spurious timer activations in migrate_timer().

from [Xen patchbot -3 . 0-testing]

[Permanent Link][Original]

To:	xen-changelog@xxxxxxxxxxxxxxxxxxx
Subject:	[Xen-changelog] Avoid spurious timer activations in migrate_timer().
From:	Xen patchbot -3.0-testing <patchbot-3.0-testing@xxxxxxxxxxxxxxxxxxx>
Date:	Sat, 22 Apr 2006 14:48:19 +0000
Delivery-date:	Sat, 22 Apr 2006 07:58:11 -0700
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxx
List-help:	<mailto:xen-changelog-request@lists.xensource.com?subject=help>
List-id:	BK change log <xen-changelog.lists.xensource.com>
List-post:	<mailto:xen-changelog@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=unsubscribe>
Reply-to:	xen-devel@xxxxxxxxxxxxxxxxxxx
Sender:	xen-changelog-bounces@xxxxxxxxxxxxxxxxxxx

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 395e0186bd8981bd2067674e65a90e56585ebcd5
# Parent  8821da562fe0199a92f165b444e08fd63ef60296
Avoid spurious timer activations in migrate_timer().

Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>

diff -r 8821da562fe0 -r 395e0186bd89 xen/common/timer.c
--- a/xen/common/timer.c        Sat Apr 22 10:29:27 2006 +0100
+++ b/xen/common/timer.c        Sat Apr 22 10:38:27 2006 +0100
@@ -251,12 +251,15 @@ void migrate_timer(struct timer *timer, 
     }
 
     if ( active_timer(timer) )
-        __stop_timer(timer);
-
-    timer->cpu = new_cpu;
-
-    if ( likely(!timer->killed) )
+    {
+        __stop_timer(timer);
+        timer->cpu = new_cpu;
         __add_timer(timer);
+    }
+    else
+    {
+        timer->cpu = new_cpu;
+    }
 
     spin_unlock(&timers[old_cpu].lock);
     spin_unlock_irqrestore(&timers[new_cpu].lock, flags);

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog

[More with this subject...]

<Prev in Thread]	Current Thread	[Next in Thread>
[Xen-changelog] Avoid spurious timer activations in migrate_timer()., Xen patchbot -unstable [Xen-changelog] Avoid spurious timer activations in migrate_timer()., Xen patchbot -3 . 0-testing <=

Previous by Date:	[Xen-changelog] Remove update_vcpu_system_time() call from the per-VCPU timer, Xen patchbot -3 . 0-testing
Next by Date:	[Xen-changelog] The Xen checksum offload feature attempts to insert a TCP/UDP, Xen patchbot -3 . 0-testing
Previous by Thread:	[Xen-changelog] Avoid spurious timer activations in migrate_timer()., Xen patchbot -unstable
Next by Thread:	[Xen-changelog] The Xen checksum offload feature attempts to insert a TCP/UDP, Xen patchbot -unstable
Indexes:	[Date] [Thread] [Top] [All Lists]