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] [PATCH][HVM] fix smp guest hang after res

To: xen-changelog@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-changelog] [xen-unstable] [PATCH][HVM] fix smp guest hang after restore
From: Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date: Wed, 31 Jan 2007 07:05:09 -0800
Delivery-date: Wed, 31 Jan 2007 07:06:10 -0800
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 "Zhai, Edwin" <edwin.zhai@xxxxxxxxx>
# Date 1170158185 0
# Node ID 0a28ad8cedf247f956cc311b18ea9473da2a5aed
# Parent  bca858b72bf8038b14dbbd7bb1431897c95b2fc2
[PATCH][HVM] fix smp guest hang after restore
[PATCH][HVM] fix smp guest hang after restore

Signed-off-by: Zhai Edwin <edwin.zhai@xxxxxxxxx>

update the pt irq after restore, otherwise all lapic timer intr are lost
 xen/arch/x86/hvm/vlapic.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff -r bca858b72bf8 -r 0a28ad8cedf2 xen/arch/x86/hvm/vlapic.c
--- a/xen/arch/x86/hvm/vlapic.c Tue Jan 30 11:37:18 2007 +0000
+++ b/xen/arch/x86/hvm/vlapic.c Tue Jan 30 11:56:25 2007 +0000
@@ -836,14 +836,16 @@ static int lapic_load(hvm_domain_context
     tmict = vlapic_get_reg(s, APIC_TMICT);
     if (tmict > 0) {
         uint64_t period = APIC_BUS_CYCLE_NS * (uint32_t)tmict * 
+        uint32_t lvtt = vlapic_get_reg(s, APIC_LVTT);
+        s->pt.irq = lvtt & APIC_VECTOR_MASK;
         create_periodic_time(v, &s->pt, period, s->pt.irq,
                              vlapic_lvtt_period(s), NULL, s);
         printk("lapic_load to rearm the actimer:"
                     "bus cycle is %uns, "
-                    "saved tmict count %lu, period %"PRIu64"ns\n",
-                    APIC_BUS_CYCLE_NS, tmict, period);
+                    "saved tmict count %lu, period %"PRIu64"ns, 
+                    APIC_BUS_CYCLE_NS, tmict, period, s->pt.irq);

Xen-changelog mailing list

<Prev in Thread] Current Thread [Next in Thread>
  • [Xen-changelog] [xen-unstable] [PATCH][HVM] fix smp guest hang after restore, Xen patchbot-unstable <=