From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751930AbbAVJma (ORCPT ); Thu, 22 Jan 2015 04:42:30 -0500 Received: from szxga01-in.huawei.com ([119.145.14.64]:17641 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750947AbbAVJmY (ORCPT ); Thu, 22 Jan 2015 04:42:24 -0500 Message-ID: <54C0C5EC.9080507@huawei.com> Date: Thu, 22 Jan 2015 17:42:04 +0800 From: Li Bin User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.0.1 MIME-Version: 1.0 To: Miroslav Benes CC: Josh Poimboeuf , Seth Jennings , Jiri Kosina , Vojtech Pavlik , Jiri Slaby , , , , , , Subject: Re: [PATCH 1/2] livepatch: Revert "livepatch: enforce patch stacking semantics" References: <1421831262-27869-1-git-send-email-huawei.libin@huawei.com> <1421831262-27869-2-git-send-email-huawei.libin@huawei.com> <54C04BF0.6020906@huawei.com> In-Reply-To: Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.177.25.181] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2015/1/22 17:15, Miroslav Benes wrote: > On Thu, 22 Jan 2015, Li Bin wrote: > >> On 2015/1/21 17:07, Li Bin wrote: >>> This reverts commit 83a90bb1345767f0cb96d242fd8b9db44b2b0e17. >>> >>> The method that only allowing the topmost patch on the stack to be >>> enabled or disabled is unreasonable. Such as the following case: >>> >>> - do live patch1 >>> - disable patch1 >>> - do live patch2 //error >>> >>> Now, we will never be able to do new live patch unless disabing the >>> patch1 although there is no dependencies. >>> >> >> Correct the log: >> ... unless disabling the patch1 although ... --> >> ... unless enabling the patch1 firstly although ... > > Yes, but in such situation you can unregister patch1 and proceed with new > live patch. No problem. As Jiri has already written. Or are we missing > something? > Ok, that is before process with new live patch we must unregister the disabled patch1 previously. Is there need some message to avoid confusing the user? Thanks, Li Bin > Regards, > -- > Miroslav Benes > SUSE Labs > -- > To unsubscribe from this list: send the line "unsubscribe live-patching" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > > . >