From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurent Vivier Subject: [PATCH 4/4] Modify KVM to update guest time accounting. Date: Mon, 20 Aug 2007 15:14:14 +0200 Message-ID: <46C993A6.3060001@bull.net> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------000401040104060802040001" Cc: kvm-devel , linux-kernel , virtualization To: Ingo Molnar Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org This is a multi-part message in MIME format. --------------000401040104060802040001 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=ISO-8859-1 [PATCH 4/4] Modify KVM to update guest time accounting. Signed-off-by: Laurent Vivier -- ------------- Laurent.Vivier-6ktuUTfB/bM@public.gmane.org -------------- "Software is hard" - Donald Knuth --------------000401040104060802040001 Content-Transfer-Encoding: 7bit Content-Type: text/plain; name="kvm_account_guest" Content-Disposition: inline; filename="kvm_account_guest" Index: kvm/drivers/kvm/kvm.h =================================================================== --- kvm.orig/drivers/kvm/kvm.h 2007-08-20 13:23:53.000000000 +0200 +++ kvm/drivers/kvm/kvm.h 2007-08-20 13:23:58.000000000 +0200 @@ -589,6 +589,17 @@ void kvm_mmu_unload(struct kvm_vcpu *vcp int kvm_hypercall(struct kvm_vcpu *vcpu, struct kvm_run *run); +static inline void kvm_guest_enter(void) +{ +#ifdef CONFIG_GUEST_ACCOUNTING + current->flags |= PF_VCPU; +#endif +} + +static inline void kvm_guest_exit(void) +{ +} + static inline int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code) { Index: kvm/drivers/kvm/svm.c =================================================================== --- kvm.orig/drivers/kvm/svm.c 2007-08-20 13:23:53.000000000 +0200 +++ kvm/drivers/kvm/svm.c 2007-08-20 13:23:58.000000000 +0200 @@ -1404,6 +1404,7 @@ again: clgi(); vcpu->guest_mode = 1; + kvm_guest_enter(); if (vcpu->requests) if (test_and_clear_bit(KVM_TLB_FLUSH, &vcpu->requests)) svm_flush_tlb(vcpu); @@ -1536,6 +1537,7 @@ again: #endif : "cc", "memory" ); + kvm_guest_exit(); vcpu->guest_mode = 0; if (vcpu->fpu_active) { Index: kvm/drivers/kvm/vmx.c =================================================================== --- kvm.orig/drivers/kvm/vmx.c 2007-08-20 13:23:53.000000000 +0200 +++ kvm/drivers/kvm/vmx.c 2007-08-20 13:23:58.000000000 +0200 @@ -2078,6 +2078,7 @@ again: local_irq_disable(); vcpu->guest_mode = 1; + kvm_guest_enter(); if (vcpu->requests) if (test_and_clear_bit(KVM_TLB_FLUSH, &vcpu->requests)) vmx_flush_tlb(vcpu); @@ -2198,6 +2199,7 @@ again: [cr2]"i"(offsetof(struct kvm_vcpu, cr2)) : "cc", "memory" ); + kvm_guest_exit(); vcpu->guest_mode = 0; local_irq_enable(); Index: kvm/drivers/kvm/Kconfig =================================================================== --- kvm.orig/drivers/kvm/Kconfig 2007-08-20 13:36:58.000000000 +0200 +++ kvm/drivers/kvm/Kconfig 2007-08-20 13:37:36.000000000 +0200 @@ -13,6 +13,7 @@ config KVM depends on X86 && EXPERIMENTAL select PREEMPT_NOTIFIERS select ANON_INODES + select GUEST_ACCOUNTING ---help--- Support hosting fully virtualized guest machines using hardware virtualization extensions. You will need a fairly recent --------------000401040104060802040001 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ --------------000401040104060802040001 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ kvm-devel mailing list kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org https://lists.sourceforge.net/lists/listinfo/kvm-devel --------------000401040104060802040001--