Re: [Xen-devel] [PATCH] xen: fix booting ballooned down hvm guest

[Juergen Gross <jgross@xxxxxxxx>]

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@xxxxxxxxxxxxxxx> # 4.13
>>>> Fixes: 96edd61dcf44362d3ef0bed1a5361e0ac7886a63 ("xen/balloon: don't
>>>>        online new memory initially")
>>>>
>>>> Suggested-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
>>>> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
>>> Reported-by: HW42 <hw42@xxxxxxxxx>
>> 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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