From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932189AbdJXPCA (ORCPT ); Tue, 24 Oct 2017 11:02:00 -0400 Received: from mx2.suse.de ([195.135.220.15]:34201 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751323AbdJXPB6 (ORCPT ); Tue, 24 Oct 2017 11:01:58 -0400 Subject: Re: [PATCH] xen: fix booting ballooned down hvm guest To: HW42 , Boris Ostrovsky , linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org Cc: stable@vger.kernel.org References: <20171024081050.2441-1-jgross@suse.com> <554ab545-5e74-29c8-0eb7-5db1dcbeb6bb@oracle.com> <8b419db3-8753-be6c-c938-1e2adb210770@oracle.com> <5c91d54b-be9a-b454-bf76-d7d10159f1a2@suse.com> From: Juergen Gross Message-ID: <99e6e72f-5198-55ec-05e2-32df6a5332e8@suse.com> Date: Tue, 24 Oct 2017 17:01:56 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Language: de-DE Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 24/10/17 16:59, HW42 wrote: > Juergen Gross: >> On 24/10/17 16:56, Boris Ostrovsky wrote: >>> On 10/24/2017 10:41 AM, Juergen Gross wrote: >>>> On 24/10/17 16:33, Boris Ostrovsky wrote: >>>>> On 10/24/2017 04:10 AM, Juergen Gross wrote: >>>>>> Commit 96edd61dcf44362d3ef0bed1a5361e0ac7886a63 ("xen/balloon: don't >>>>>> online new memory initially") introduced a regression when booting a >>>>>> HVM domain with memory less than mem-max: instead of ballooning down >>>>>> immediately the system would try to use the memory up to mem-max >>>>>> resulting in Xen crashing the domain. >>>>>> >>>>>> For HVM domains the current size will be reflected in Xenstore node >>>>>> memory/static-max instead of memory/target. >>>>>> >>>>>> Additionally we have to trigger the ballooning process at once. >>>>>> >>>>>> Cc: # 4.13 >>>>>> Fixes: 96edd61dcf44362d3ef0bed1a5361e0ac7886a63 ("xen/balloon: don't >>>>>> online new memory initially") >>>>>> >>>>>> Suggested-by: Boris Ostrovsky >>>>>> Signed-off-by: Juergen Gross >>>>> Reported-by: HW42 >>>> Hmm, is an anonymous Reported-by: tag okay? >>> >>> Oh, I don't know what the rules are for this kind of address. I'd >>> probably still add it but it's up to you. >> >> The docs say each tag should be: >> >> tag: Full Name optional-other-stuff >> >> I don't think HW42 can be regarded to be a full name. > > I think you really should allow pseudonymous contributions. But in my > case my nickname is anyway linked to my legal name so fell free to use: > Simon Gaiser > Thanks, will add it in V2. Juergen