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Re: [Xen-devel] CONFIG_COMPAT
| To: | "Ian Jackson" <Ian.Jackson@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] CONFIG_COMPAT |
| From: | "Jan Beulich" <jbeulich@xxxxxxxxxx> |
| Date: | Fri, 08 Feb 2008 08:49:20 +0000 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Fri, 08 Feb 2008 00:49:20 -0800 |
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| In-reply-to: | <18347.2009.918438.891187@xxxxxxxxxxxxxxxxxxxxxxxx> |
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| Sender: | xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
>>> Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> 07.02.08 14:30 >>> >What is the purpose of CONFIG_COMPAT ? It seems to be enabled >precisely in 64-bit hypervisors and not otherwise, and is related to >support of 32-bit guests including dom0. > >Is there some reason why this needs to be configurable separately from >64bitness ? The original intention was to (a) clearly flag the places that deal with compat mode and (b) permit disabling the feature at build time in case of significant problems. At this point it's probably no longer necessary to maintain as a separate thing. Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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