From patchwork Tue May 11 16:17:41 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Glauber Costa X-Patchwork-Id: 98764 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o4BGOWs4002277 for ; Tue, 11 May 2010 16:24:33 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754898Ab0EKQXF (ORCPT ); Tue, 11 May 2010 12:23:05 -0400 Received: from mx1.redhat.com ([209.132.183.28]:8520 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752107Ab0EKQVY (ORCPT ); Tue, 11 May 2010 12:21:24 -0400 Received: from int-mx04.intmail.prod.int.phx2.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.17]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o4BGLOZx011094 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 11 May 2010 12:21:24 -0400 Received: from localhost.localdomain (virtlab1.virt.bos.redhat.com [10.16.72.21]) by int-mx04.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o4BGLHQP003599; Tue, 11 May 2010 12:21:23 -0400 From: Glauber Costa To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org, avi@redhat.com, zamsden@redhat.com Subject: [PATCH 3/9] change msr numbers for kvmclock Date: Tue, 11 May 2010 12:17:41 -0400 Message-Id: <1273594667-17175-4-git-send-email-glommer@redhat.com> In-Reply-To: <1273594667-17175-3-git-send-email-glommer@redhat.com> References: <1273594667-17175-1-git-send-email-glommer@redhat.com> <1273594667-17175-2-git-send-email-glommer@redhat.com> <1273594667-17175-3-git-send-email-glommer@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.17 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Tue, 11 May 2010 16:24:33 +0000 (UTC) diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h index ffae142..9734808 100644 --- a/arch/x86/include/asm/kvm_para.h +++ b/arch/x86/include/asm/kvm_para.h @@ -20,6 +20,10 @@ #define MSR_KVM_WALL_CLOCK 0x11 #define MSR_KVM_SYSTEM_TIME 0x12 +/* Custom MSRs falls in the range 0x4b564d00-0x4b564dff */ +#define MSR_KVM_WALL_CLOCK_NEW 0x4b564d00 +#define MSR_KVM_SYSTEM_TIME_NEW 0x4b564d01 + #define KVM_MAX_MMU_OP_BATCH 32 /* Operations for KVM_HC_MMU_OP */ diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 6b2ce1d..eb84947 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -664,9 +664,10 @@ static inline u32 bit(int bitno) * kvm-specific. Those are put in the beginning of the list. */ -#define KVM_SAVE_MSRS_BEGIN 5 +#define KVM_SAVE_MSRS_BEGIN 7 static u32 msrs_to_save[] = { MSR_KVM_SYSTEM_TIME, MSR_KVM_WALL_CLOCK, + MSR_KVM_SYSTEM_TIME_NEW, MSR_KVM_WALL_CLOCK_NEW, HV_X64_MSR_GUEST_OS_ID, HV_X64_MSR_HYPERCALL, HV_X64_MSR_APIC_ASSIST_PAGE, MSR_IA32_SYSENTER_CS, MSR_IA32_SYSENTER_ESP, MSR_IA32_SYSENTER_EIP, @@ -1192,10 +1193,12 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data) case MSR_IA32_MISC_ENABLE: vcpu->arch.ia32_misc_enable_msr = data; break; + case MSR_KVM_WALL_CLOCK_NEW: case MSR_KVM_WALL_CLOCK: vcpu->kvm->arch.wall_clock = data; kvm_write_wall_clock(vcpu->kvm, data); break; + case MSR_KVM_SYSTEM_TIME_NEW: case MSR_KVM_SYSTEM_TIME: { if (vcpu->arch.time_page) { kvm_release_page_dirty(vcpu->arch.time_page); @@ -1467,9 +1470,11 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata) data = vcpu->arch.efer; break; case MSR_KVM_WALL_CLOCK: + case MSR_KVM_WALL_CLOCK_NEW: data = vcpu->kvm->arch.wall_clock; break; case MSR_KVM_SYSTEM_TIME: + case MSR_KVM_SYSTEM_TIME_NEW: data = vcpu->arch.time; break; case MSR_IA32_P5_MC_ADDR: