From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [PATCH v2 01/14] KVM: x86: change PIT discard tick policy Date: Thu, 18 Feb 2016 19:49:10 +0100 Message-ID: <56C61226.3010909@redhat.com> References: <1455736496-374-1-git-send-email-rkrcmar@redhat.com> <1455736496-374-2-git-send-email-rkrcmar@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: kvm@vger.kernel.org, Yuki Shibuya To: =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= , linux-kernel@vger.kernel.org Return-path: In-Reply-To: <1455736496-374-2-git-send-email-rkrcmar@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 17/02/2016 20:14, Radim Kr=C4=8Dm=C3=A1=C5=99 wrote: >=20 > Even though there is a chance of regressions, I think we can fix the > LVT0 NMI bug without introducing a new tick policy. I agree, but please change the KVM_CAP_REINJECT_CONTROL check to return 2. This way we can make QEMU reject old kernels when the user provides "-global kvm-pit.lost_tick_policy=3Dmerge". Paolo