From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [PATCH v1 0/6] KVM: Hyper-V SynIC timers migration fixes Date: Thu, 7 Jan 2016 17:38:59 +0100 Message-ID: <568E94A3.6030801@redhat.com> References: <1450870121-15943-1-git-send-email-asmetanin@virtuozzo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: Gleb Natapov , Roman Kagan , "Denis V. Lunev" , qemu-devel@nongnu.org To: Andrey Smetanin , kvm@vger.kernel.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:39168 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751941AbcAGQjF (ORCPT ); Thu, 7 Jan 2016 11:39:05 -0500 In-Reply-To: <1450870121-15943-1-git-send-email-asmetanin@virtuozzo.com> Sender: kvm-owner@vger.kernel.org List-ID: On 23/12/2015 12:28, Andrey Smetanin wrote: > During testing of Windows 2012R2 guest migration with > Hyper-V SynIC timers enabled we found several bugs > which lead to restoring guest in a hung state. > > This patch series provides several fixes to make the > migration of guest with Hyper-V SynIC timers enabled > succeed. > > The series applies on top of > 'kvm/x86: Remove Hyper-V SynIC timer stopping' > previously sent. > > Signed-off-by: Andrey Smetanin > Reviewed-by: Roman Kagan > CC: Gleb Natapov > CC: Paolo Bonzini > CC: Roman Kagan > CC: Denis V. Lunev > CC: qemu-devel@nongnu.org > > Andrey Smetanin (6): > kvm/x86: Drop stimer_stop() function > kvm/x86: Hyper-V unify stimer_start() and stimer_restart() > kvm/x86: Reorg stimer_expiration() to better control timer restart > kvm/x86: Hyper-V fix SynIC timer disabling condition > kvm/x86: Skip SynIC vector check for QEMU side > kvm/x86: Update SynIC timers on guest entry only > > arch/x86/kvm/hyperv.c | 112 +++++++++++++++++++++++--------------------------- > arch/x86/kvm/x86.c | 6 +++ > 2 files changed, 58 insertions(+), 60 deletions(-) > Applied, let me know if I should fix up patch 3 (the bug is preexisting anyway, if it is a bug as I suspect). Paolo