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

[Marcel Apfelbaum <marcel@redhat.com>]

On 20/03/2018 0:08, Eric Blake wrote:
> 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,

Thanks!

> 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);
>                                      ^
> 

So the compilation actually brakes on 32bit machines?
I'll create a VM.

Thanks,
Marcel