On Thu, Jul 26, 2018 at 10:12:42AM -0600, Jason Gunthorpe wrote:
> > > from osm_vendor_ibumad.c:66:
> > > /usr/include/infiniband/umad.h:178:56: note: expected ‘__be64 *’ {aka ‘long long unsigned int *’} but argument is of type ‘ib_net64_t *’ {aka ‘long unsigned int *’}
> > > int umad_get_ca_portguids(const char *ca_name, __be64 *portguids, int max);
> > > ~~~~~~~~^~~~~~~~~
> > > cc1: all warnings being treated as errors
> >
> > When libibumad was moved into rdma-core, the type of the portguids
> > parameter for the umad_get_ca_portguids API was changed from uint64_t to
> > __be64 and this was thought to be safe because it was thought that these
> > types were the same but that appears not to be the case here ;-(
>
> They are the same, this is just a somewhat expected warning.
>
> If you insist on compiling with -Werror then these things have to be
> fixed, otherwise the warning is harmless.
>
> The proper fix is likely to change ib_net64_t to __be64.
+1, I suggest to replace 'ib_net64_t' with '__be64'.
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