RE: [Xen-ia64-devel] Why is cpl read as 0 in para-virtualization ?

["Magenheimer, Dan (HP Labs Fort Collins)" <dan.magenheimer@xxxxxx>]

> 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.

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