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Hi, we''ll start virtualization with Xen in our company and we''re looking for the right distribution. The most important Servers in DomUs are working with a MS OS (Win2000/2003/2008). I''ve read something about to accelerate Windows with paravirtual drivers in some distributions. Other distributions have specific tools to install and support DomUs. And now I''m

Now that x86-64 has directly accessible percpu variables, it can also implement the direct versions of these operations, which operate on a vcpu_info structure directly embedded in the percpu area. In fact, the 64-bit versions are more or less identical, and so can be shared. The only two differences are: 1. xen_restore_fl_direct takes its argument in eax on 32-bit, and rdi on 64-bit.