From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932217AbbIUPnp (ORCPT ); Mon, 21 Sep 2015 11:43:45 -0400 Received: from mx1.redhat.com ([209.132.183.28]:57271 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757200AbbIUPno (ORCPT ); Mon, 21 Sep 2015 11:43:44 -0400 Date: Mon, 21 Sep 2015 17:43:40 +0200 From: Radim =?utf-8?B?S3LEjW3DocWZ?= To: Marcelo Tosatti Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Paolo Bonzini , Luiz Capitulino Subject: Re: [RFC PATCH 0/2] kvmclock: fix ABI breakage from PVCLOCK_COUNTS_FROM_ZERO. Message-ID: <20150921154340.GA4214@potion.brq.redhat.com> References: <1442591670-5216-1-git-send-email-rkrcmar@redhat.com> <20150920225742.GA27666@amt.cnet> <20150921151209.GA2734@potion.brq.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20150921151209.GA2734@potion.brq.redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2015-09-21 17:12+0200, Radim Krčmář: > 2015-09-20 19:57-0300, Marcelo Tosatti: > > On Fri, Sep 18, 2015 at 05:54:28PM +0200, Radim Krčmář wrote: >>> This patch series will be disabling PVCLOCK_COUNTS_FROM_ZERO flag and is >>> RFC because I haven't explored many potential problems or tested it. >> >> The justification to disable PVCLOCK_COUNTS_FROM_ZERO is because you >> haven't explored potential problems or tested it? Sorry can't parse it. I missed that one, sorry. PVCLOCK_COUNTS_FROM_ZERO is disabled because it breaks ABI. Not testing nor ruling out all problems is a justification for RFC. (This patch series - will be disabling PVCLOCK_COUNTS_FROM_ZERO flag and - is RFC because I haven't explored many potential problems or tested it [this patch series])