From 029ff8b67a3257b04fd61202bf92a6277e54fa84 Mon Sep 17 00:00:00 2001 From: Keir Fraser Date: Tue, 1 Sep 2009 11:36:51 +0100 Subject: [PATCH] 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 --- 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 --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c index 923987214c..81d133ff8b 100644 --- a/xen/arch/x86/hvm/hvm.c +++ b/xen/arch/x86/hvm/hvm.c @@ -1890,7 +1890,6 @@ int hvm_msr_write_intercept(struct cpu_user_regs *regs) { case MSR_IA32_TSC: hvm_set_guest_tsc(v, msr_content); - pt_reset(v); break; case MSR_IA32_APICBASE: diff --git a/xen/arch/x86/hvm/vpt.c b/xen/arch/x86/hvm/vpt.c index c4e47e25cb..eb24f5d398 100644 --- a/xen/arch/x86/hvm/vpt.c +++ b/xen/arch/x86/hvm/vpt.c @@ -327,24 +327,6 @@ void pt_intr_post(struct vcpu *v, struct hvm_intack intack) 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 --git a/xen/include/asm-x86/hvm/vpt.h b/xen/include/asm-x86/hvm/vpt.h index 47397e23c8..d34db116bd 100644 --- a/xen/include/asm-x86/hvm/vpt.h +++ b/xen/include/asm-x86/hvm/vpt.h @@ -138,7 +138,6 @@ void pt_save_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); -- 2.30.2