[Xen-changelog] [xen-unstable] x86 hvm: remove pt_reset()

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1251801411 -3600
# Node ID 8fc92779847680fe40a1ee9c2a01b3effc7cd056
# Parent  05f3ca68f62ddad6145c8cd87bb11c5053e1b016
x86 hvm: remove pt_reset()

Virtual platform timers are not sync'ed with guest's TSC any more
since c/s 17716. Thus pt_reset is now useless.

Signed-off-by: Kouya Shimura <kouya@xxxxxxxxxxxxxx>
---
 xen/arch/x86/hvm/hvm.c        |    1 -
 xen/arch/x86/hvm/vpt.c        |   18 ------------------
 xen/include/asm-x86/hvm/vpt.h |    1 -
 3 files changed, 20 deletions(-)

diff -r 05f3ca68f62d -r 8fc927798476 xen/arch/x86/hvm/hvm.c
--- a/xen/arch/x86/hvm/hvm.c    Tue Sep 01 11:36:16 2009 +0100
+++ b/xen/arch/x86/hvm/hvm.c    Tue Sep 01 11:36:51 2009 +0100
@@ -1890,7 +1890,6 @@ int hvm_msr_write_intercept(struct cpu_u
     {
      case MSR_IA32_TSC:
         hvm_set_guest_tsc(v, msr_content);
-        pt_reset(v);
         break;
 
     case MSR_IA32_APICBASE:
diff -r 05f3ca68f62d -r 8fc927798476 xen/arch/x86/hvm/vpt.c
--- a/xen/arch/x86/hvm/vpt.c    Tue Sep 01 11:36:16 2009 +0100
+++ b/xen/arch/x86/hvm/vpt.c    Tue Sep 01 11:36:51 2009 +0100
@@ -327,24 +327,6 @@ void pt_intr_post(struct vcpu *v, struct
         cb(v, cb_priv);
 }
 
-void pt_reset(struct vcpu *v)
-{
-    struct list_head *head = &v->arch.hvm_vcpu.tm_list;
-    struct periodic_time *pt;
-
-    spin_lock(&v->arch.hvm_vcpu.tm_lock);
-
-    list_for_each_entry ( pt, head, list )
-    {
-        pt->pending_intr_nr = 0;
-        pt->last_plt_gtime = hvm_get_guest_time(pt->vcpu);
-        pt->scheduled = NOW() + pt->period;
-        set_timer(&pt->timer, pt->scheduled);
-    }
-
-    spin_unlock(&v->arch.hvm_vcpu.tm_lock);
-}
-
 void pt_migrate(struct vcpu *v)
 {
     struct list_head *head = &v->arch.hvm_vcpu.tm_list;
diff -r 05f3ca68f62d -r 8fc927798476 xen/include/asm-x86/hvm/vpt.h
--- a/xen/include/asm-x86/hvm/vpt.h     Tue Sep 01 11:36:16 2009 +0100
+++ b/xen/include/asm-x86/hvm/vpt.h     Tue Sep 01 11:36:51 2009 +0100
@@ -138,7 +138,6 @@ void pt_restore_timer(struct vcpu *v);
 void pt_restore_timer(struct vcpu *v);
 void pt_update_irq(struct vcpu *v);
 void pt_intr_post(struct vcpu *v, struct hvm_intack intack);
-void pt_reset(struct vcpu *v);
 void pt_migrate(struct vcpu *v);
 
 void pt_adjust_global_vcpu_target(struct vcpu *v);

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