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topology
2013 Oct 16
4
[PATCH 1/7] xen: vNUMA support for PV guests
.../trace.h>
+#include <xen/vnuma.h>
struct memop_args {
/* INPUT */
@@ -732,7 +733,47 @@ long do_memory_op(unsigned long cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
rcu_unlock_domain(d);
break;
+ case XENMEM_get_vnuma_info:
+ {
+ struct vnuma_topology_info mtopology;
+ struct domain *d;
+ unsigned int max_vcpus, nr_vnodes = 0;
+ rc = -EINVAL;
+
+ if( copy_from_guest(&mtopology, arg, 1) )
+ return -EFAULT;
+ if ( (d = rcu_lock_domain_by_any_id(mtopology.domid)) == NULL )
+ return -ESRCH;
+
+...