[Xen-changelog] [xen-3.1-testing] hvm: time: Fixes to 'SYNC' (no_missed_ticks_pending) timer handling.

["Xen patchbot-3.1-testing" <patchbot-3.1-testing@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1199965090 0
# Node ID 26226f0e593c1d0547f6f932770aabc52f663bf1
# Parent  4eae9c351c5edc3e97aed2a6e41761d0dd0f37e7
hvm: time: Fixes to 'SYNC' (no_missed_ticks_pending) timer handling.
Based on a patch by Dave Winchell <dwinchell@xxxxxxxxxxxxxxx>
Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
xen-unstable changeset:   16690:01adaec882d4ea62aede17926716d122b084dd94
xen-unstable date:        Tue Jan 08 14:31:23 2008 +0000
---
 xen/arch/x86/hvm/vpt.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff -r 4eae9c351c5e -r 26226f0e593c xen/arch/x86/hvm/vpt.c
--- a/xen/arch/x86/hvm/vpt.c    Thu Jan 10 11:37:32 2008 +0000
+++ b/xen/arch/x86/hvm/vpt.c    Thu Jan 10 11:38:10 2008 +0000
@@ -166,6 +166,7 @@ static void pt_timer_fn(void *data)
     pt_lock(pt);
 
     pt->pending_intr_nr++;
+    pt->do_not_freeze = 0;
 
     if ( !pt->one_shot )
     {
@@ -251,7 +252,6 @@ void pt_intr_post(struct vcpu *v, int ve
         return;
     }
 
-    pt->do_not_freeze = 0;
     pt->irq_issued = 0;
 
     if ( pt->one_shot )
@@ -262,7 +262,8 @@ void pt_intr_post(struct vcpu *v, int ve
     }
     else
     {
-        if ( mode_is(v->domain, one_missed_tick_pending) )
+        if ( mode_is(v->domain, one_missed_tick_pending) ||
+             mode_is(v->domain, no_missed_ticks_pending) )
         {
             pt->last_plt_gtime = hvm_get_guest_time(v);
             pt->pending_intr_nr = 0; /* 'collapse' all missed ticks */

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