>>> "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
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