From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755651AbcIAP0Z (ORCPT ); Thu, 1 Sep 2016 11:26:25 -0400 Received: from mail-wm0-f66.google.com ([74.125.82.66]:33681 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753808AbcIAP0U (ORCPT ); Thu, 1 Sep 2016 11:26:20 -0400 From: Paolo Bonzini To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: peterhornyack@google.com, rkrcmar@redhat.com, den@openvz.org, rkagan@virtuozzo.com Subject: [PATCH 0/4] KVM: x86: kvmclock cleanups for Hyper-V TSC page Date: Thu, 1 Sep 2016 17:26:11 +0200 Message-Id: <1472743575-123756-1-git-send-email-pbonzini@redhat.com> X-Mailer: git-send-email 1.8.3.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This implements the plan that we discussed at KVM Forum. Patch 3 implements a new function that returns the current value of kvmclock as read by the guest. The function is then used to provide the Hyper-V time reference counter. Now that the reference counter is synchronized with kvmclock, the TSC page can be supported nicely. Paolo Paolo Bonzini (4): KVM: x86: always fill in vcpu->arch.hv_clock KVM: x86: initialize kvmclock_offset KVM: x86: introduce get_kvmclock_ns KVM: x86: Hyper-V tsc page setup arch/x86/entry/vdso/vclock_gettime.c | 2 +- arch/x86/include/asm/pvclock.h | 5 +- arch/x86/kernel/pvclock.c | 2 +- arch/x86/kvm/hyperv.c | 143 +++++++++++++++++++++++++++---- arch/x86/kvm/hyperv.h | 3 + arch/x86/kvm/x86.c | 158 +++++++++++++++++++++-------------- arch/x86/kvm/x86.h | 6 +- 7 files changed, 232 insertions(+), 87 deletions(-) -- 1.8.3.1