From mboxrd@z Thu Jan 1 00:00:00 1970 From: Glauber Costa Subject: [RFC 7/7] tell guest about steal time feature Date: Wed, 25 Aug 2010 17:43:17 -0400 Message-ID: <1282772597-4183-8-git-send-email-glommer@redhat.com> References: <1282772597-4183-1-git-send-email-glommer@redhat.com> <1282772597-4183-2-git-send-email-glommer@redhat.com> <1282772597-4183-3-git-send-email-glommer@redhat.com> <1282772597-4183-4-git-send-email-glommer@redhat.com> <1282772597-4183-5-git-send-email-glommer@redhat.com> <1282772597-4183-6-git-send-email-glommer@redhat.com> <1282772597-4183-7-git-send-email-glommer@redhat.com> Cc: avi@redhat.com, zamsden@redhat.com, mtosatti@redhat.com, riel@redhat.com To: kvm@vger.kernel.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:46971 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753511Ab0HYV7W (ORCPT ); Wed, 25 Aug 2010 17:59:22 -0400 Received: from int-mx03.intmail.prod.int.phx2.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.16]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o7PLxLgp018455 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Wed, 25 Aug 2010 17:59:21 -0400 In-Reply-To: <1282772597-4183-7-git-send-email-glommer@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Guest kernel will only activate steal time if the host exports it. Warn the guest about it. Signed-off-by: Glauber Costa --- arch/x86/kvm/x86.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 680feaa..9a20cd8 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2101,7 +2101,8 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, entry->eax = (1 << KVM_FEATURE_CLOCKSOURCE) | (1 << KVM_FEATURE_NOP_IO_DELAY) | (1 << KVM_FEATURE_CLOCKSOURCE2) | - (1 << KVM_FEATURE_CLOCKSOURCE_STABLE_BIT); + (1 << KVM_FEATURE_CLOCKSOURCE_STABLE_BIT) | + (1 << KVM_FEATURE_CLOCKSOURCE_STEAL_BIT); entry->ebx = 0; entry->ecx = 0; entry->edx = 0; -- 1.6.2.2