>>> On 24.03.16 at 21:00, <konrad.w...@oracle.com> wrote:
> +struct xen_sysctl_xsplice_list {  
> +    uint32_t version;                       /* OUT: Hypervisor stamps value.
> +                                               If varies between calls, we 
> are  
> +                                               getting stale data. */  
> +    uint32_t idx;                           /* IN: Index into hypervisor 
> array.
> +                                               Should be between [0, nr). */

This is now actively wrong, when comparing with the implementation
in the next patch, namely

            if ( list->idx > i++ )
                continue;

E.g. on some subsequent invocation you might have idx=55 and
nr=32, making you populate array slots [0,31] with data for payloads
[55,86]. Why don't you just say "Index into hypervisor list"?

Jan


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