Re: [Qemu-devel] [PATCH for-2.12] rdma: Fix 32-bit compilation

[Eric Blake <eblake@redhat.com>]

On 03/19/2018 04:53 PM, Eric Blake wrote:
> Use the correct printf formats, so that a 32-bit compile doesn't
> spit out lots of warnings about %lx being incompatible with uint64_t.
> Broken since initial commit ef6d4ccd.
> 
> Signed-off-by: Eric Blake <eblake@redhat.com>
> ---
> 
> I don't know if 'make vm-build-ubuntu.i368' would catch this (it failed
> for me for other reasons); I found it via a 32-bit rawhide VM.

That fixes most of the warnings, but not:

/home/dummy/qemu/hw/rdma/rdma_backend.c: In function 
'rdma_backend_create_mr':
/home/dummy/qemu/hw/rdma/rdma_backend.c:409:37: error: cast to pointer 
from integer of different size [-Werror=int-to-pointer-cast]
      m4->ibmr = ibv_reg_m4(pd->ibpd, (void *)addr, length, access);
                                      ^

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org