On Wed, Jul 18, 2007 at 10:40:06PM +0900, Atsushi SAKAI wrote:
> Hi, Daniel
>
> ?$B!!I checked it and it works fine!
>
> 2 point of question (not related to this point)
>
> 1)I sometimes rewiriting xen_internal.c in my test environment.
> from
> xen/linux/privcmd.h
> to
> xen/sys/privcmd.h
> Is there any possibility to change the path?
>
> 2)xen-unstable 15482 changes sysctl version(from 3 to 4).
> Is there any possibility libvirt to work new sysctl version?
> At this moment, libvirt cannot not handle latest xen-unstable.
Looks like a pretty trivial thing to fix
@@ -85,6 +86,23 @@ struct xen_sysctl_physinfo {
uint64_aligned_t free_pages;
uint64_aligned_t scrub_pages;
uint32_t hw_cap[8];
+
+ /* IN/OUT variables. */
+ /*
+ * IN: maximum addressable entry in the caller-provided cpu_to_node array.
+ * OUT: largest cpu identifier in the system.
+ * If OUT is greater than IN then the cpu_to_node array is truncated!
+ */
+ uint32_t max_cpu_id;
+ /*
+ * If not NULL, this array is filled with node identifier for each cpu.
+ * If a cpu has no node information (e.g., cpu not present) then the
+ * sentinel value ~0u is written.
+ * The size of this array is specified by the caller in @max_cpu_id.
+ * If the actual @max_cpu_id is smaller than the array then the trailing
+ * elements of the array will not be written by the sysctl.
+ */
+ XEN_GUEST_HANDLE_64(uint32_t) cpu_to_node;
};
So the struct basically grew 12 bytes larger. I guess libvirt is broken
because we're not passing in a big enough memory block.
Dan.
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