This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


[Xen-changelog] [xen-unstable] Fix debug key t to avoid irq jitter.

To: xen-changelog@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-changelog] [xen-unstable] Fix debug key t to avoid irq jitter.
From: Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date: Wed, 23 Jul 2008 08:50:20 -0700
Delivery-date: Wed, 23 Jul 2008 08:50:44 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
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/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/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 Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1216630180 -3600
# Node ID c433ee4844fbb0c62f6efb229d73ea822e061eb7
# Parent  34ad9e2c0d10a24b7e66eaaed9862843d9075cf7
Fix debug key t to avoid irq jitter.

From: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>
Siigned-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
 xen/common/keyhandler.c |    2 ++
 1 files changed, 2 insertions(+)

diff -r 34ad9e2c0d10 -r c433ee4844fb xen/common/keyhandler.c
--- a/xen/common/keyhandler.c   Mon Jul 21 09:47:07 2008 +0100
+++ b/xen/common/keyhandler.c   Mon Jul 21 09:49:40 2008 +0100
@@ -240,10 +240,12 @@ static void read_clocks_slave(void *unus
 static void read_clocks_slave(void *unused)
     unsigned int cpu = smp_processor_id();
+    local_irq_disable();
     while ( !cpu_isset(cpu, read_clocks_cpumask) )
     read_clocks_time[cpu] = NOW();
     cpu_clear(cpu, read_clocks_cpumask);
+    local_irq_enable();
 static void read_clocks(unsigned char key)

Xen-changelog mailing list

<Prev in Thread] Current Thread [Next in Thread>
  • [Xen-changelog] [xen-unstable] Fix debug key t to avoid irq jitter., Xen patchbot-unstable <=