Re: [Xen-devel] A question about changeset 20621:f9392f6eda79 and Discontinuous online node

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

>>> "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> 06.01.10 09:14 >>>
>I'm considering if we can pass this dis-continuous information to user
>space too, but that requires change this sysctl interface. The worse
>is, even if we can change this interface, we may run out of the 128
>byte limitation for xen_sysctl hypercall if we change the
>NR_CPUS == 128 in future (currently the struct xen_sysctl_physinfo
>is 104 byte already).

Could you point out where you see the risk of growing beyond 128
bytes? No data structure in the hypercall interface depends on
NR_CPUS afaics.

Jan


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel