Re: [PATCH] vfio: selftests: fix format conversion compiler warning

[Randy Dunlap]

On 1/28/26 11:06 AM, David Matlack wrote:
> On Wed, Jan 28, 2026 at 10:38 AM Ted Logan <tedlogan@xxxxxx> wrote:
>>
>> Use the standard format conversion macro PRIx64 to generate the
>> appropriate format conversion for 64-bit integers. Fixes a compiler
>> warning with -Wformat on i386.
>>
>> Signed-off-by: Ted Logan <tedlogan@xxxxxx>
>> Reported-by: kernel test robot <lkp@xxxxxxxxx>
>> Closes: https://lore.kernel.org/oe-kbuild-all/202601211830.aBEjmEFD-lkp@xxxxxxxxx/
> 
> Thanks for the patch.
> 
> I've been seeing these i386 reports as well. I find the PRIx64, etc.
> format specifiers make format strings very hard to read. And I think
> there were some other issues when building VFIO selftests with i386
> the last time I tried.
> 
> I was thinking instead we should just not support i386 builds of VFIO
> selftests. But I hadn't gotten around to figuring out the right
> Makefile magic to make that happen.

There are other 32-bit CPUs besides i386.
Or do only support X86?

-- 
~Randy