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Re: [Qemu-devel] Change of max-ram-below-4g initial value breaks Xen
From: |
Anthony PERARD |
Subject: |
Re: [Qemu-devel] Change of max-ram-below-4g initial value breaks Xen |
Date: |
Thu, 23 Jun 2016 17:18:47 +0100 |
User-agent: |
Mutt/1.6.1 (2016-04-27) |
On Thu, Jun 23, 2016 at 04:57:54PM +0200, Gerd Hoffmann wrote:
> Hi,
>
> > How could xen_ram_init() find out if the value of max-ram-below-4g is
> > the default or if a user have set it? Is there another way we could fix
> > this?
>
> Attached patch should fix it. Patch survived a quick smoke test on kvm
> so far, need to do some more testing tomorrow. Can you give it a spin
> on xen?
Thanks. Unfortunately, it does not work :(.
In this patch, max_ram_below_4g is set before the call to xen_ram_init()
and xen_ram_init read it back (via object_property_get_int()). So, in
xen_ram_init, user_lowmem is not 0.
Thanks,
--
Anthony PERARD