Re: [PATCH] xen: detect uninitialized xenbus in xenbus_init

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

On 11/18/21 4:00 PM, Stefano Stabellini wrote:
>          /*
>           * Avoid truncation on 32-bit.
>           * TODO: handle addresses >= 4G
>           */
>          if ( v >= ~0UL ) {
>              err = -EINVAL;
>              goto out_error;
>          }


Since this is only relevant to 32-bit kernels then "#if BITS_PER_LONG == 32".


-boris