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Re: [Xen-devel] [PATCH] Disallow setting maxmem to higher value than to

To: Jan Beulich <JBeulich@xxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] Disallow setting maxmem to higher value than total physical memory size
From: Michal Novotny <minovotn@xxxxxxxxxx>
Date: Wed, 01 Sep 2010 16:50:27 +0200
Cc: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On 09/01/2010 04:26 PM, Jan Beulich wrote:
On 01.09.10 at 16:18, Michal Novotny<minovotn@xxxxxxxxxx>  wrote:
Oh, ok. It's not limited to dom0 nevertheless I don't see anything to be
And how does this play together with physical memory hotplug?

Jan

Well, it's reading the physical memory size using the xc.physinfo() call so if this is handled correctly by hypervisor (since this basically issues a hypercall) then it should be working fine.

Michal

--
Michal Novotny<minovotn@xxxxxxxxxx>, RHCE
Virtualization Team (xen userspace), Red Hat


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