RE: [Xen-devel] [PATCH][2/4] Enable 1GB for Xen HVM host page

[Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>]

I'll bet save/restore/migration for 1GB pages will be a fun challenge.

At least please set the "no_migrate" flag automatically for
any domain that uses 1GB pages unless/until live migration
is supported.

> -----Original Message-----
> From: Tim Deegan [mailto:Tim.Deegan@xxxxxxxxxx]
> Sent: Tuesday, February 23, 2010 6:01 AM
> To: Wei Huang
> Cc: Keir@xxxxxxxxxxxxxxxxxxxx; Xu, Dongxiao; xen-
> devel@xxxxxxxxxxxxxxxxxxx; Fraser
> Subject: Re: [Xen-devel] [PATCH][2/4] Enable 1GB for Xen HVM host page
> 
> At 17:18 +0000 on 22 Feb (1266859100), Wei Huang wrote:
> > Change page allocation code in Xen tools. The allocation request now
> > starts with 1GB; if that fails, then falls back to 2MB and then 4KB.
> 
> Can we have an equivalent patch for the save/restore path please?  That
> took a while to catch up when 2MB superpages were introduced.
> 
> Tim.
> 
> --
> Tim Deegan <Tim.Deegan@xxxxxxxxxx>
> Principal Software Engineer, XenServer Engineering
> Citrix Systems UK Ltd.  (Company #02937203, SL9 0BG)
> 
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