From: Dan Magenheimer <dan.magenheimer@ORACLE.COM>
To: Tim Deegan <Tim.Deegan@citrix.com>, Wei Huang <wei.huang2@amd.com>
Cc: "Xu, Dongxiao" <dongxiao.xu@intel.com>,
Keir@acsinet12.oracle.com, xen-devel@lists.xensource.com,
Fraser <Keir.Fraser@eu.citrix.com>
Subject: RE: [PATCH][2/4] Enable 1GB for Xen HVM host page
Date: Tue, 23 Feb 2010 09:19:15 -0800 (PST) [thread overview]
Message-ID: <4bc57870-0038-429f-ad50-990cd2e33ee9@default> (raw)
In-Reply-To: <20100223130053.GR368@whitby.uk.xensource.com>
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@citrix.com]
> Sent: Tuesday, February 23, 2010 6:01 AM
> To: Wei Huang
> Cc: Keir@acsinet12.oracle.com; Xu, Dongxiao; xen-
> devel@lists.xensource.com; 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@citrix.com>
> Principal Software Engineer, XenServer Engineering
> Citrix Systems UK Ltd. (Company #02937203, SL9 0BG)
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel
next prev parent reply other threads:[~2010-02-23 17:19 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-22 17:18 [PATCH][2/4] Enable 1GB for Xen HVM host page Wei Huang
2010-02-23 9:38 ` Tim Deegan
2010-02-23 16:22 ` Huang2, Wei
2010-02-23 13:00 ` Tim Deegan
2010-02-23 17:19 ` Dan Magenheimer [this message]
2010-02-23 18:09 ` Keir Fraser
2010-02-23 20:09 ` Dan Magenheimer
2010-02-23 20:54 ` Keir Fraser
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