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Date: Tue, 24 Oct 2017 16:58:11 +0200 From: Juergen Gross <jgross@...e.com> To: Boris Ostrovsky <boris.ostrovsky@...cle.com>, linux-kernel@...r.kernel.org, xen-devel@...ts.xenproject.org Cc: hw42@...umj.de, stable@...r.kernel.org Subject: Re: [PATCH] xen: fix booting ballooned down hvm guest 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: <stable@...r.kernel.org> # 4.13 >>>> Fixes: 96edd61dcf44362d3ef0bed1a5361e0ac7886a63 ("xen/balloon: don't >>>> online new memory initially") >>>> >>>> Suggested-by: Boris Ostrovsky <boris.ostrovsky@...cle.com> >>>> Signed-off-by: Juergen Gross <jgross@...e.com> >>> Reported-by: HW42 <hw42@...umj.de> >> 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 <email address> optional-other-stuff I don't think HW42 can be regarded to be a full name. Juergen
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