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authorStefano Stabellini <stefano.stabellini@eu.citrix.com>2010-10-26 17:28:33 +0100
committerStefano Stabellini <stefano.stabellini@eu.citrix.com>2010-10-26 20:33:15 +0100
commitea5b8f73933e34d2b47a65284c46d26d49e7edb9 (patch)
tree0c7a4b44dc46d2dc66ac6822fde3bf9f12f14bbc /include/xen
parent0e058e527784a9a23f7ed7a73ffafebb53a889da (diff)
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xen: initialize cpu masks for pv guests in xen_smp_init
Pv guests don't have ACPI and need the cpu masks to be set correctly as early as possible so we call xen_fill_possible_map from xen_smp_init. On the other hand the initial domain supports ACPI so in this case we skip xen_fill_possible_map and rely on it. However Xen might limit the number of cpus usable by the domain, so we filter those masks during smp initialization using the VCPUOP_is_up hypercall. It is important that the filtering is done before xen_setup_vcpu_info_placement. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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