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RE: [Xen-ia64-devel] Why is cpl read as 0 in para-virtualization ?
| To: | "Tristan Gingold" <Tristan.Gingold@xxxxxxxx>, <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | RE: [Xen-ia64-devel] Why is cpl read as 0 in para-virtualization ? |
| From: | "Magenheimer, Dan (HP Labs Fort Collins)" <dan.magenheimer@xxxxxx> |
| Date: | Wed, 1 Mar 2006 07:44:49 -0800 |
| Delivery-date: | Wed, 01 Mar 2006 15:46:07 +0000 |
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| Thread-topic: | [Xen-ia64-devel] Why is cpl read as 0 in para-virtualization ? |
> Subject: [Xen-ia64-devel] Why is cpl read as 0 in > para-virtualization ? > > while I was modifying xen_early_setup, I tried to replace dcr > kludge using > cpl. Unfortunatly, it doesn't work since cpl is read as 0 > (see vcpu.c). > So my question is simple: why ? I think some places in Linux/ia64 determine whether code is running in kernel or user mode by checking psr.cpl. _______________________________________________ Xen-ia64-devel mailing list Xen-ia64-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-ia64-devel |
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